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Title:
PAVING APPARATUS, SYSTEM, AND METHOD
Document Type and Number:
WIPO Patent Application WO/2023/235974
Kind Code:
A1
Abstract:
A paving system includes a base layer; a sand layer of coarse angular sand above the base layer; a tile layer of porcelain tiles above the sand layer; and a metal edge restraint staked down along an edge of the paved surface. The base layer may include a reinforcement grid. A tile edging apparatus includes an elongated tile edge restraint strip having a longitudinal axis extending between a first end and a second end and a vertical axis extending perpendicular to the longitudinal axis and between an upper end and a lower end; a fixation projection extending out from a first lateral side of the edge restraint strip, the fixation projection including an aperture extending generally vertically therethrough; and a tile support projection extending out from a second lateral side of the edge restraint strip opposite the first lateral side, the tile support projection including a tile support surface.

Inventors:
VANLANDSCHOOT MARK (CA)
VANLANDSCHOOT JULIAN (CA)
Application Number:
PCT/CA2023/050783
Publication Date:
December 14, 2023
Filing Date:
June 07, 2023
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
EUROPA LANDSCAPING LTD (CA)
International Classes:
E01C5/00; E01C15/00; E01C19/00
Foreign References:
US8915027B12014-12-23
US20190327915A12019-10-31
US6030144A2000-02-29
US5240343A1993-08-31
US5073061A1991-12-17
Other References:
ANONYMOUS: "Porcelain paver - sand setting bed", HANOVER ARCHITECTURAL PRODUCTS, 17 September 2020 (2020-09-17), XP093116572, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "ICPI TECH SPEC NUMBER • 3 Edge Restraints For Interlocking Concrete Pavements", ICPI, 2 December 2010 (2010-12-02), XP093116573, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "FAQ", PACIFIC INTERLOCK PAVERS, 23 September 2021 (2021-09-23), XP093116549, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "How To Lay Outdoor Tiles On Sand ", ATLAS CERAMICS, 7 April 2022 (2022-04-07), XP093116575, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "Polymeric sand", HARDSCAPE, 20 January 2022 (2022-01-20), XP093116553, Retrieved from the Internet [retrieved on 20240108]
SCALISI TOM: "The Best Polymeric Sand for Your Next Patio Project", LAWN & GARDEN, 21 January 2022 (2022-01-21), XP093116555, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "Nextbase", TECHNISEAL, 17 August 2021 (2021-08-17), XP093116557, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "Gator Tile System", ALLIANCEGATOR, 12 April 2021 (2021-04-12), XP093116577, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "SilcaSpacer Tabs", STONEDECK INNOVATIONS, 23 September 2021 (2021-09-23), XP093116558, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "GEOGRID INSTALLATION, TYPES, AND APPLICATIONS", HOW TO HARDSCAPE, 17 January 2022 (2022-01-17), XP093116560, Retrieved from the Internet [retrieved on 20240108]
RHÉAUME SOPHIE: "How Geogrid Works for Pavement and Segmental Retaining Walls", TECHO-BLOC, 15 June 2018 (2018-06-15), XP093116564, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "What's The Best Method For Installing Pavers Over Dirt? ", GREATMATS, 1 April 2023 (2023-04-01), XP093116580, Retrieved from the Internet [retrieved on 20240108]
ANONYMOUS: "Pave Tech's Pave Edge Original Paver Edge Restraint", 28 May 2022 (2022-05-28), XP093116568, Retrieved from the Internet [retrieved on 20240108]
Attorney, Agent or Firm:
BERESKIN & PARR LLP/S.E.N.C.R.L.S.R.L. (CA)
Download PDF:
Claims:
CLAIMS: A paving system comprising:

(a) a base layer, the base layer including a compacted aggregate;

(b) a sand layer of coarse angular sand above the base layer;

(c) a tile layer of ceramic tiles above the sand layer, the tile layer forming a paved surface; and

(d) a metal edge restraint staked down along an edge of the paved surface. The paving system of claim 1 , wherein the tiles of the tile layer rest on the coarse angular sand of the sand layer. The paving system of claim 1 , wherein the base layer includes a reinforcement grid. The paving system of claim 3, wherein the reinforcement grid is a polymeric grid filled with a grid aggregate. The paving system of claim 1 , wherein the coarse angular sand is a washed sand. The paving system of claim 1 , further comprising tile spacers installed between the tiles. The paving system of claim 6, wherein the tiles are adhered to the tile spacers. The paving system of claim 1 , wherein the edge restraint includes tile supports extending under adjacent ones of the tiles. The paving system of claim 8, wherein the adjacent ones of the tiles are adhered to the tile supports of the edge restraint. The paving system of claim 1 , wherein the metal edge restraint is made of aluminum. The paving system of claim 1 , further comprising polymeric sand filling joints between the tiles. The paving system of claim 1 , wherein the ceramic tiles are porcelain tiles. A method of paving, comprising:

(a) installing a base layer, the base layer including a compacted aggregate;

(b) installing a sand layer of coarse angular sand above the base layer;

(c) laying ceramic tiles above the sand layer to form a paved surface; and

(d) staking a metal edge restraint along an edge of the paved surface. The method of claim 13, wherein the base layer further includes a reinforcement grid. The method of claim 14, wherein the reinforcement grid is a polymeric grid filled with a grid aggregate. The method of claim 13, further comprising excavating an excavated area, and wherein (a) includes installing the base layer in the excavated area. The method of claim 13, wherein the coarse angular sand is a washed sand. The method of claim 13, wherein laying the tiles includes installing tile spacers between the tiles. The method of claim 18, further comprising adding adhesive to the tile spacers to adhere the tiles to the tile spacers. The method of claim 13, wherein staking a metal edge restraint along the edge of the paved surface includes positioning a tile support of the metal edge restraint under a tile of the tiles. The method of claim 20, further comprising adding adhesive to the tile support to adhere the tile to the tile support. The method of claim 13, further comprising filling joints between the tiles with polymeric sand. The method of claim 13, wherein the metal edge restraint is made of aluminum. The method of claim 13, wherein the ceramic tiles are porcelain tiles. A tile edging apparatus, comprising:

(a) an elongated tile edge restraint strip having a longitudinal axis extending between a first end and a second end and a vertical axis extending perpendicular to the longitudinal axis and between an upper end and a lower end;

(b) a fastener support extending out from a first lateral side of the edge restraint strip, the fastener support including an aperture extending generally vertically therethrough for receiving a fastener for fixing the tile edging apparatus in place; and

(c) a tile support extending out from a second lateral side of the edge restraint strip opposite the first lateral side, the tile support including a tile support surface extending generally perpendicular to the vertical axis. The apparatus of claim 25, wherein the edge restraint strip includes a tile restraint surface extending generally parallel to the longitudinal axis and to the vertical axis, and the tile support surface is generally perpendicular to the tile restraint surface. The apparatus of claim 25, wherein an angle between the fastener support and the tile support surface is generally fixed. The apparatus of claim 27, wherein the edge restraint strip and the fastener support are a single integral body. The apparatus of claim 25, wherein an angle between the tile support surface and the tile restraint surface is generally fixed. The apparatus of claim 29, wherein the tile support is removeable. The apparatus of claim 30, wherein the tile support is formed by a first leg of a generally L-shaped plate and the tile edge restraint strip includes a cavity to receive a second leg of the plate. The apparatus of claim 31 , wherein the tile support is repositionable along the longitudinal axis. The apparatus of claim 32, further comprising a plurality of the tile supports, wherein the tile supports are independent from one another. The apparatus of claim 33, wherein the cavity is a longitudinally extending cavity, and the tile support is repositionable along the longitudinal axis by sliding the first leg along the cavity. The apparatus of claim 34, wherein the cavity extends between the first end and the second end, the tile edging apparatus further comprising a plurality of the tile supports, wherein the tile supports are independent from one another and all the tile supports are all received in the same cavity. The apparatus of claim 25, wherein an upper rim of the aperture is recessed below a top surface of the fastener support. The apparatus of claim 36, wherein the fastener support includes a spacedapart pair of parallel ridges flanking the aperture and spaced from the aperture to receive a head of the fastener between the ridges. The apparatus of claim 37, wherein each ridge includes a groove facing the other ridge. The apparatus of claim 38, further comprising a body slidably received in the grooves between the ridges, the body overlying the aperture. The apparatus of claim 25, further comprising a blocking body moveable between a secured position over the aperture and a removed position spaced from the aperture such that a fastener can be passed through the aperture. A tile edging apparatus, comprising:

(a) an elongated tile edge restraint strip having a longitudinal axis extending between a first end and a second end and a vertical axis extending perpendicular to the longitudinal axis and between an upper end and a lower end;

(b) a fastener support extending out from a first lateral side of the edge restraint strip, the fastener support including an aperture extending generally vertically therethrough for receiving a fastener for fixing the tile edging apparatus in place, an upper rim of the aperture recessed below a top surface of the fastener support; and (c) a blocking body moveable between a first position overlying the aperture to prevent vertical movement of the fastener above the aperture and a second position spaced from the aperture such that the fastener can be vertically inserted down through the aperture. The apparatus of claim 41 , wherein the fastener support includes a spacedapart pair of parallel ridges flanking the aperture and spaced from the aperture to receive a head of the fastener between the ridges. The apparatus of claim 42, wherein each ridge includes a groove facing the other ridge. The apparatus of claim 43, wherein the blocking body is slidably received in the grooves between the ridges in the first position.

Description:
PAVING APPARATUS, SYSTEM, AND METHOD

FIELD

[0001 ] This disclosure relates generally to construction, and more particularly to providing a paved surface.

INTRODUCTION

[0002] The following is not an admission that anything discussed below is part of the prior art or part of the common general knowledge of a person skilled in the art.

[0003] Various types of outdoor surfaces for handling traffic are known, including surfaces for handling vehicular and pedestrian traffic. Many of these surfaces are hard surfaces. For example, many walkways and driveways are paved with asphalt or cement.

[0004] Outdoor paved surfaces may be formed of a plurality of individual pavers, such as ceramic tiles arranged next to one another to form a paved surface. A paved surface formed of a plurality of individual pavers may be used to support, e.g., vehicular or pedestrian traffic.

[0005] Such paved surface may have desirable traits, such as wear and/or aesthetic traits. However, in some cases, the pavers are susceptible to breakage (e.g., tile breakage), particularly when subjected to heavy traffic such as heavy vehicles. In some cases, the pavers are susceptible to tile shifting. Accordingly, there remains a need for improved paving apparatus, systems, and methods.

SUMMARY

[0006] The following summary is intended to introduce the reader to various aspects of the applicant’s teaching, but not to define any invention.

[0007] According to some aspects, there is provided a paving system comprising: a base layer, the base layer including a compacted aggregate; a sand layer of coarse angular sand above the base layer; a tile layer of ceramic tiles above the sand layer, the tile layer forming a paved surface; and a metal edge restraint staked down along an edge of the paved surface.

[0008] In some embodiments, the tiles of the tile layer rest on the coarse angular sand of the sand layer.

[0009] The base layer may include a reinforcement grid.

[0010] The reinforcement grid may be a polymeric grid filled with a grid aggregate.

[0011 ] The coarse angular sand may be a washed sand.

[0012] The paving system may further comprise tile spacers installed between the tiles.

[0013] The tiles may be adhered to the tile spacers.

[0014] The edge restraint may include tile supports extending under adjacent ones of the tiles.

[0015] The adjacent ones of the tiles may be adhered to the tile supports of the edge restraint.

[0016] The metal edge restraint may be made of aluminum.

[0017] The paving system may further comprise polymeric sand filling joints between the tiles.

[0018] The ceramic tiles may be porcelain tiles.

[0019] According to some aspects, there is provided a method of paving, comprising: installing a base layer, the base layer including a compacted aggregate; installing a sand layer of coarse angular sand above the base layer; laying ceramic tiles above the sand layer to form a paved surface; and staking a metal edge restraint along an edge of the paved surface. [0020] The method may further comprise excavating an excavated area, and installing a base layer may include installing the base layer in the excavated area.

[0021 ] Laying the tiles may include installing tile spacers between the tiles.

[0022] The method may include adding adhesive to the tile spacers to adhere the tiles to the tile spacers.

[0023] Staking a metal edge restraint along the edge of the paved surface may include positioning a tile support of the metal edge restraint under a tile of the tiles.

[0024] The method may include adding adhesive to the tile support to adhere the tile to the tile support.

[0025] The method may include filling joints between the tiles with polymeric sand.

[0026] According to some aspects, there is disclosed a tile edging apparatus, comprising: an elongated tile edge restraint strip having a longitudinal axis extending between a first end and a second end and a vertical axis extending perpendicular to the longitudinal axis and between an upper end and a lower end; a fastener support extending out from a first lateral side of the edge restraint strip, the fastener support including an aperture extending generally vertically therethrough for receiving a fastener for fixing the tile edging apparatus in place; and a tile support extending out from a second lateral side of the edge restraint strip opposite the first lateral side, the tile support including a tile support surface extending generally perpendicular to the vertical axis.

[0027] In some embodiments, the edge restraint strip includes a tile restraint surface extending generally parallel to the longitudinal axis and to the vertical axis, and the tile support surface is generally perpendicular to the tile restraint surface. [0028] An angle between the fastener support and the tile support surface may be generally fixed.

[0029] The edge restraint strip and the fastener support may be a single integral body.

[0030] An angle between the tile support surface and the tile restraint surface may be generally fixed.

[0031 ] The tile support may be removeable.

[0032] The tile support may be formed by a first leg of a generally L-shaped plate and the tile edge restraint strip may include a pocket to receive a second leg of the plate.

[0033] The tile support may be repositionable along the longitudinal axis.

[0034] The apparatus may include a plurality of the tile supports, wherein the tile supports are independent from one another.

[0035] The tile support may be repositionable along the longitudinal axis by sliding the first leg along the pocket.

[0036] The pocket may extend between the first end and the second end, the tile edging apparatus may further comprise a plurality of the tile supports, wherein the tile supports are independent from one another and all the tile supports are received in the pocket.

[0037] An upper rim of the aperture may be recessed below a top surface of the fastener support.

[0038] The fastener support may include a spaced-apart pair of parallel ridges flanking the aperture and spaced from the aperture to receive a head of the fastener between the ridges.

[0039] Each ridge may include a groove facing the other ridge. [0040] The apparatus may include a body slidably received in the grooves between the ridges, the body overlying the aperture.

[0041 ] The apparatus may include a blocking body moveable between a secured position over the aperture and a removed position spaced from the aperture such that a fastener can be passed through the aperture.

[0042] According to some aspects, there is provided a tile edging apparatus, comprising: an elongated tile edge restraint strip having a longitudinal axis extending between a first end and a second end and a vertical axis extending perpendicular to the longitudinal axis and between an upper end and a lower end; a fastener support extending out from a first lateral side of the edge restraint strip, the fastener support including an aperture extending generally vertically therethrough for receiving a fastener for fixing the tile edging apparatus in place, an upper rim of the aperture recessed below a top surface of the fastener support; and a blocking body moveable between a first position overlying the aperture to prevent vertical movement of the fastener above the aperture and a second position spaced from the aperture such that the fastener can be vertically inserted down through the aperture.

[0043] In some embodiments, the fastener support includes a spaced-apart pair of parallel ridges flanking the aperture and spaced from the aperture to receive a head of the fastener between the ridges.

[0044] Each ridge may include a groove facing the other ridge.

[0045] The blocking body may be slidably received in the grooves between the ridges in the first position.

BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The drawings included herewith are for illustrating various examples of articles, methods, and apparatuses of the present specification and are not intended to limit the scope of what is taught in any way. In the drawings: [0047] Figure 1 A is a perspective view of a paving system;

[0048] Figure 1 B is an expanded view of a portion of the perspective view of Figure 1A;

[0049] Figure 2A is a cross sectional view of the paving system of Figure 1A;

[0050] Figure 2B is an expanded view of a portion of the cross sectional view of Figure 2A;

[0051] Figure 3 is a perspective view of a spacer of the paving system of Figure 1A;

[0052] Figure 4 is a flow chart of a method of paving;

[0053] Figure 5A is a perspective view of an edge restraint of the paving system of Figure 1A;

[0054] Figure 5B is an end view of the edge restraint of Figure 5A;

[0055] Figure 5C is a side view of the edge restraint of Figure 5A;

[0056] Figure 6 is a perspective view of a second side of an edging apparatus of the paving system of Figure 1 A;

[0057] Figure 7 is a perspective view of a first side of the edging apparatus of Figure 6;

[0058] Figure 8 is an end view of the edging apparatus of Figure 6;

[0059] Figure 9 is a perspective view of a connector of the edging apparatus of Figure 6;

[0060] Figure 10A is a perspective view of a tile support projection of the edging apparatus of Figure 6;

[0061 ] Figure 10B is an end view of the tile support projection of Figure 10A; [0062] Figure 11 is a perspective view of the edging apparatus of Figure 6 bent around a corner of a paved surface;

[0063] Figure 12A is a perspective view of another edging apparatus; and,

[0064] Figure 12B is an end view of the edging apparatus of Figure 12A.

DESCRIPTION OF EXAMPLE EMBODIMENTS

[0065] Various apparatuses, methods and compositions are described below to provide an example of an embodiment of each claimed invention. No embodiment described below limits any claimed invention and any claimed invention may cover apparatuses and methods that differ from those described below. The claimed inventions are not limited to apparatuses, methods and compositions having all of the features of any one apparatus, method or composition described below or to features common to multiple or all of the apparatuses, methods or compositions described below. It is possible that an apparatus, method or composition described below is not an embodiment of any claimed invention. Any invention disclosed in an apparatus, method or composition described below that is not claimed in this document may be the subject matter of another protective instrument, for example, a continuing patent application, and the applicant(s), inventor(s) and/or owner(s) do not intend to abandon, disclaim, or dedicate to the public any such invention by its disclosure in this document.

[0066] The terms "an embodiment," "embodiment," "embodiments," "the embodiment," "the embodiments," "one or more embodiments," "some embodiments," and "one embodiment" mean "one or more (but not all) embodiments of the present invention(s)," unless expressly specified otherwise.

[0067] The terms "including," "comprising" and variations thereof mean "including but not limited to," unless expressly specified otherwise. A listing of items does not imply that any or all of the items are mutually exclusive, unless expressly specified otherwise. The terms "a," "an" and "the" mean "one or more," unless expressly specified otherwise. [0068] As used herein and in the claims, two or more parts are said to be “coupled”, “connected”, “attached”, or “fastened” where the parts are joined or operate together either directly or indirectly (i.e. , through one or more intermediate parts), so long as a link occurs. As used herein and in the claims, two or more parts are said to be “directly coupled”, “directly connected”, “directly attached”, or “directly fastened” where the parts are connected in physical contact with each other. None of the terms “coupled”, “connected”, “attached”, and “fastened” distinguish the manner in which two or more parts are joined together.

[0069] Furthermore, it will be appreciated that for simplicity and clarity of illustration, where considered appropriate, reference numerals may be repeated among the figures to indicate corresponding or analogous elements. In addition, numerous specific details are set forth in order to provide a thorough understanding of the example embodiments described herein. However, it will be understood by those of ordinary skill in the art that the example embodiments described herein may be practiced without these specific details. In other instances, well-known methods, procedures, and components have not been described in detail so as not to obscure the example embodiments described herein. Also, the description is not to be considered as limiting the scope of the example embodiments described herein.

[0070] Referring now to Figures 1A and 1 B, illustrated is an exemplary paving system 100. The paving system 100 forms a paved surface for, e.g., a walkway or driveway (supporting pedestrians and vehicles). In some embodiments, the paving system 100 forms a paved surface for heavy vehicular traffic, such as heavy trucks (e.g., semi trucks), as described further below. The paving system 100 forms a generally horizontal paving surface 102 extending generally parallel to a longitudinal axis 104 and a transverse axis 106 perpendicular to the longitudinal axis 104. It will be appreciated that the paving surface 102 may be at a small angle to the horizontal to allow for surface drainage, to follow a rise in the ground (e.g., a driveway with one end elevated higher than the other), etc.

[0071 ] Paving system 100 includes a plurality of layers. The layers extend generally horizontally, layered along a vertical axis 108 perpendicular to the transverse axis 106 and the longitudinal axis 104. The layers are provided to, e.g., support one another and allow for drainage. It will be appreciated that each layer may be leveled, angled to allow for surface drainage, and/or formed with a generally uniform surface planarity.

[0072] The paving system 100 includes a base layer 110. Base layer 110 includes a compacted aggregate. In some embodiments, the base layer 110 comprises granular A-gravel, or crusher run limestone material (e.g., % inch), and/or an equivalent aggregate material. It will be appreciated that any suitable base that includes compacted aggregate may be used. As exemplified, the base layer 110 may include a sub-base layer 112 of compacted aggregate 114, and a grid layer 116 which includes a reinforcement grid 118 filled with compacted aggregate 120. The grid layer 118 may reduce the necessary depth of the base layer 110. The reinforcement grid 118 is a geogrid having vertically extending lateral walls that form cells which are open through the top and bottom ends. The geogrid may be a modular grid formed of interlocking modules, such as modules interlocking along lateral walls with adjacent modules. The reinforcement grid 118 may be a polymeric grid.

[0073] The compacted aggregate 120 of the grid layer 116 may be the same type of aggregate as the compacted aggregate 114 of the sub-base layer 112 or a different type of aggregate (e.g., the aggregate 120 may be finer than the aggregate 114). For example, the compacted aggregate 114 of the sub-base layer 112 may be A-gravel or crusher run limestone material, and the aggregate 120 of the grid layer 116 may be self-compacting material (e.g., since the cells of the grid interfere with compaction), such as a self-compacting limestone (e.g., 14 inch clear chip) or equivalent. [0074] It will be appreciated that the compacted aggregate 114 and/or the compacted aggregate 120 may be compacted to any suitable degree of compaction. In some embodiments, the compacted aggregate 114 and/or the compacted aggregate 120 is compacted to a proctor density co-efficient of at least 75%, at least 85%, or at least 90%. It will be appreciated that the compacted aggregate 114 may be compacted more or less than the compacted aggregate 120.

[0075] In some embodiments, the base layer 110 includes at least one further layer. For example, in some embodiments the base layer 110 includes an intervening layer 122 between the sub-base layer 112 and the grid layer 116. The intervening layer 122 may be a different type of aggregate than the sub-base layer 112. For example, the intervening layer may be a layer of a finer aggregate than the aggregate 114 of the sub-base layer 112. The intervening layer 122 may be formed of compacted fine gravel. In some examples, the paving system 100 includes an intervening layer 122 of chip limestone (e.g., 14 inch) or stone dust. The intervening layer 122 may be a skim coat.

[0076] The paving system 100 also includes a sand layer 130. The sand layer 130 is above the base layer 110. The sand layer 130 may be supported by the base layer 110. The sand layer 130 may rest on the base layer 110, as exemplified. The sand layer 130 is a layer of coarse angular sand, such as concrete sand. In some embodiments, the coarse angular sand is a washed sand. In some embodiments, the coarse angular sand is a manufactured sand and/or pit sand. The coarse angular sand may have an average particle size that is between 0.01 and 0.08 inches, 0.02 and 0.08 inches, 0.02 and 0.06 inches, or 0.02 and 0.04 inches. The sand layer 130 may have a thickness of between 0.25 and 2 inches, 0.5 and 1 inch, or about 5/8 inch.

[0077] The paving system 100 includes a tile layer 140 above the sand layer. In some embodiments, as exemplified, the tile layer 140 rests on the sand layer 130. The tile layer 140 forms the paved surface 102. The paved surface 102 may be smaller than the horizontal extent of one or more of the sub layers. For example, one or more sub layers (e.g., the base layer 110) may extend out at least 2 inches, at least 5 inches, or at least 10 inches from the lateral edges of the paved surface 102.

[0078] It will be appreciated that any suitable tiles may be used. In some embodiments, the tile layer 140 includes ceramic tiles 144 (also referred to as ceramic pavers). For example, the ceramic tiles 144 may be porcelain tiles. The ceramic tiles 144 may be arranged in a regular grid to form the paved surface 102. In some embodiments, the tiles 144 are two foot by four foot tiles. It will be appreciated that other sizes may also or alternatively be used.

[0079] Ceramic tiles 144, particularly porcelain tiles, provide a wear- resistant and aesthetically pleasing surface. Tiles, such as ceramic tiles and particularly porcelain tiles, may be susceptible to breakage. The paved surface 102 may be used by heavy vehicular traffic, and the sand layer 130 assists in preventing tile breakage. The sand layer 130 may act as a cushioning layer. The coarse angular sand may provide many points of contact against the tiles 144. The coarse angular sand may be compressed when weight is applied to a tile above the sand, and then return to an uncompressed distribution when weight is removed from the tile above the sand (i.e. , unlike smooth sand, which may stay compressed or stay more compressed than coarse angular sand). It will be appreciated that in some embodiments one or more intervening layer may be between the sand and the tiles, e.g., if the intervening layer does not interfere with the cushioning function (e.g., a layer of geotextile).

[0080] Referring now to Figures 1A to 2B, the paved surface 102 is restrained along an edge 146 by an edge restraint 150. The edge restraint 150 is an edge restraint strip that is secured in place by one or more fasteners 152. The fasteners 152 may be, as exemplified, stakes 154 driven down through apertures in the edge restraint 150 and into the sub layers. The edge restraint 150 may be, as exemplified, staked down along the edge 146 of the paved surface 102. It will be appreciated that the entire lateral edge of the paved surface 102 may be supported by edge restraints 150 (i.e. , a plurality of strips arranged along the edge of the paved surface 102), or a portion of the lateral edge 146 may be supported by edge restraints 150 with another portion(s) unsupported and/or supported by another structure (e.g., a building or other paved surface). The stakes 154 may extend into the base layer 110. Optionally, the spikes 154 may extend below the base layer 110.

[0081 ] It will be appreciated that an edge restraint 150 assists in holding the paved surface 102 together. The edge restraint 150 may assist in preventing lateral (i.e., perpendicular to the vertical axis 108) shifting of the tiles 144. In some embodiments, the edge restraint 150 is a metal edge restraint. For example, the edge restraint 150 may be formed of aluminum (e.g., an extruded aluminum strip). A metal edge restraint may provide for a durable, easy to work with, easy to manufacture, and/or aesthetically pleasing edge restraint. An edge restraint 150, particularly a metal edge restraint, may result in additional risk of tile breakage when weight is applied to the tiles 144. However, as discussed above, a sand layer 130 may assist in preventing tile breakage. The metal edge restraint 150 combined with the layer of coarse angular sand may assist in allowing for a metal-edged paved surface 102 for supporting heavy vehicular traffic without breakage.

[0082] It will be appreciated that the edge restraints 150 may be of any suitable shape. In some embodiments, the edge restraint 150 is part of an edging apparatus 240 which includes a tile support 156 (e.g., as described further below) extending under an adjacent one 158 of the tiles 144. The tile support 156 may provide more stability for the tile edging 150, may help to prevent rollout of the tile edging 150, may provide a place for an adhesive to be applied, and/or may aid in preventing the tile edging 150 being hammered below the bottom surface of the tile 144 when stakes 154 are being hammered into the edging 150. For example, the adjacent ones 158 of the tiles 144 may be adhered to the edging 150. For example, an adhesive may be applied to the tile support 156 and/or the tile 144 during installation, and the tile 144 placed against the tile support 156.

[0083] In some embodiments, as exemplified, the paving system 100 also includes tile spacers 160 installed between tiles 144. It will be appreciated that any suitable tile spacers may be used. As exemplified, in some embodiments the tile spacers 160 each include a support base 162 forming a tile receiving surface 164 (e.g., a generally planar surface) on which a tile 144 may rest, and spacing projections 166 extending out (e.g., perpendicular) from the tile receiving surface 164 to abut lateral edges of the tiles 144 to keep the lateral edges of the tiles 144 from touching. The tile spacers 144 may be spacer discs (e.g., as exemplified in Figure 3), and the spacing projections 166 may form a cross shape on the tile receiving surface 164. In some embodiments, the tiles 144 are adhered to the tile spacers. For example, an adhesive may be applied to the tile 144 and/or the spacer 160 during installation, and the tile 144 placed against the spacer 160.

[0084] In some embodiments, the paving system 100 also includes polymeric sand 170 filling joints 172 between the tiles 144.

[0085] Referring now to Figure 4, illustrated is a method 200 of paving. The method 200 includes, at step 202, excavating an excavated area in which to instal a paving system (e.g., paving system 100). The excavated area may be, e.g., more than 2 inches, more than 5 inches, or more than 10 inches beyond (i.e., generally horizontally) the desired finished paved surface. The extension beyond the desired finished paved surface provides for ample base material to be installed for greater stability. In some examples, where vehicular traffic is expected, the excavation may be to at least 10 inches or at least 12 inches below the desired finished paved surface. In some examples, where pedestrian traffic is expected, the excavation may be to at least 5 inches or at least 7.5 inches below the desired finished paved surface. It will be appreciated that variation in excavation depth may be used to provide varying levels of stability. [0086] At step 204, method 200 includes installing a base layer (e.g., base layer 110). The base layer may be installed in the excavated area excavated in step 202. The base layer includes a compacted aggregate. The base layer may include a layer of compacted aggregate and a grid layer including a reinforcement grid (e.g., grid 118) filled with compacted aggregate. Step 204 may include compacting the aggregate (e.g., the aggregate of the layer of compacted aggregate) to a proctor density co-efficient of at least 75%, at least 85%, or at least 90%. Step 204 may include installing a skim coat of fine aggregate between the compacted aggregate layer and the grid layer, such as installing a skim coat of fine 14 inch chip limestone or stone dust. Installing a layer of aggregate may include using leveling and/or screeding tools to, e.g., achieve a graded layer.

[0087] Step 204 may include leveling the base layer (e.g., the layer of compacted aggregate and/or the grid layer), and may include ensuring the base layer is level, allowing for surface drainage, and that the base layer has a strong degree of uniform surface planarity. Step 204 may include eliminating any high spots and filling any low spots. The base layer may be built up to a level of between 2 and 5 inches, 3 to 4 inches, or about 3.5 inches below the desired paved surface.

[0088] Method 200 includes, at step 206, installing a sand layer (e.g., sand layer 130) above the base layer. The sand layer 130 may be resting on the base layer 130. The sand layer is a layer of coarse angular sand, such as the coarse angular sand discussed above. Step 206 may include screeding a layer of coarse angular sand. The sand layer may have a thickness of between 0.25 and 2 inches, 0.5 and 1 inch, or about 5/8 inch. Installing the sand layer may include using leveling and/or screeding tools to, e.g., achieve a graded layer.

[0089] At step 208, the method 200 includes laying tiles (e.g., tiles 144) above the sand layer to form a paved surface (e.g., surface 102). Step 208 may include laying the tiles directly on the sand layer. Step 208 may include installing tile spacers (e.g., spacers 160) between the tiles. In some embodiments, step 208 includes adding adhesive to the tile spacers to adhere the tiles to the tile spacers. For example, step 208 may include adding adhesive to a spacer and/or a tile and then bringing the spacer and tile together in position to form the paved surface.

[0090] At step 210, the method 200 includes staking an edge restraint (e.g., edge restraint 150) along an edge of the paved surface. The edge restraint may be a metal edge restraint (e.g., made from aluminum).

[0091 ] In some embodiments, step 210 includes positioning a tile support (e.g., tile support 156) of the edge restraint under a tile of the tiles. In some embodiments, step 210 includes positioning a plurality of independent tile support projections under a tile, e.g., each tile support projection under a different portion of the tile. For example, where a tile includes a two foot long edge against the edge restraint step 210 may include positioning two tile support projections under the tile, and where a tile includes a four foot long edge against the edge restraint step 210 may include positioning three tile support projections under the tile.

[0092] In some embodiments, step 210 includes adding adhesive to the tile support projection and/or the tile to adhere the tile to the tile support projection. For example, adhesive may be added to tile support projection and/or the bottom of the tile and then the tile may be laid on the tiles support projection.

[0093] Method 200 also includes, at step 212, filling joints between the tiles with polymeric sand.

[0094] Referring now to Figures 5A to 5C, illustrated is an exemplary edge restraint 150. The edge restraint 150 includes an elongated tile edge restraint strip 180 and a fastener support 182 extending out from the edge restraint strip 180.

[0095] The edge restraint strip 180 has a longitudinal axis 184 extending between a first end 186 and a second end 188. The edge restraint strip 180 has a vertical axis 190 extending perpendicular to the longitudinal axis 184 and between an upper end 192 and a lower end 194. The edge restraint strip 180 has a transverse axis 220 extending between a first lateral side 222 and a second lateral side 224 opposite the first lateral side 222. The transverse axis 220 is perpendicular to the longitudinal axis 184 and to the vertical axis 190.

[0096] As exemplified, the edge restraint strip 180 includes a tile restraint surface 230. The tile restraint surface 230 extends generally parallel to the longitudinal axis 184 and to the vertical axis 190. The tile restraint surface 230 is provided to hold the tiles 144 in place. The exemplary surface 230 is on the second lateral side 224, but it will be appreciated that the tile restraint surface 230 may be on either lateral side. As exemplified, the strip 180 may have a generally vertical and longitudinal surface on each lateral side, e.g., to allow the strip to be arranged with either side against the tiles 144. The strip 180 may be a generally flat strip, as in the exemplary embodiment. The strip 180 may be bendable (e.g., as in Figure 11 ) to allow the strip 180 to be shaped around corners and bends of the paved surface 102.

[0097] As exemplified in Figures 5A to 5C, the fastener support 182 extends out from the first lateral side 222 of the edge restraint strip 180. As exemplified, the fastener support 182 extends out opposite the tile restraint surface 230, although it will be appreciated that the tiles may be arranged over the fastener support 182 in some embodiments. The fastener support 182 includes an aperture 226 extending generally vertically therethrough. The aperture 226 is provided for receiving a fastener, such as the stake 154, for fixing the restraint 150 in place. The fastener support 182 allows the aperture 226 to hold the fastener generally parallel to the tile restraint surface 230. The fastener may extend through the aperture and into the base layer and/or ground below the paved surface to hold the edge restraint 150 in place.

[0098] In some embodiments, an angle 232 between the fastener support 182 (e.g., a plane perpendicular to an axis of the aperture) and the tile support surface 230 is generally fixed. The angle 232 may be about 90 degrees, such as 70 to 110 degrees, or 80 to 100 degrees. In some embodiments, the edge restraint strip 180 and the fastener support 182 are a single integral body (e.g., an aluminum body). As exemplified, the fastener support 182 may be a flange projecting from the strip 180.

[0099] Referring now to Figures 6 to 8, the edge restraint 150 is part of a tile edging apparatus 240. The tile edging apparatus 240 includes the edge restraint 150 and a tile support 156 extending out from the second lateral side 224 of the edge restraint strip 180. The tile support 156 includes a tile support surface 244 extending generally perpendicular to the vertical axis 190. The tile support 156 may be a flange or plate extending out from the edge restraint 150. As exemplified, the tile support surface 230 may be generally perpendicular to the tile restraint surface 244.

[00100] In some embodiments, an angle 246 between the tile support surface 244 and the tile restraint surface 230 is generally fixed. The angle 246 may be about 90 degrees, such as 70 to 110 degrees, or 80 to 100 degrees. As exemplified, the tile support 156 may be a removeable body. The tile support 156 may be removably received in a longitudinally extending cavity 250 (Figure 5B) of the edge restraint 150. In some embodiments, as exemplified, the tile support 156 forms a tile support flange extending out from the strip 180.

[00101 ] Referring now to Figure 10A and 10B, in some embodiments, the tile support 156 is formed by a first leg 252 of a generally L-shaped plate and the edge restraint 150 includes the cavity 250 to receive a second leg 254 of the generally L-shaped plate.

[00102] Referring again to Figures 6 to 8, in some embodiments, the tile support 156 is repositionable along the longitudinal axis 184. The tile support 156 may be slidably longitudinally along the cavity 250. The cavity 250 may extend along the longitudinal axis 184 as exemplified, such that the support 156 may slide within and along the cavity. Sliding the support 156 allows the support to be lined up with a tile placed against the edge restraint 150. For example, a user can line up a support with a middle portion of a tile, and can line up more than one support with a tile or one support with each of more than one tile. The tiles may have different dimensions from one tile to another, and the supports 156 may be repositioned as needed to ensure that at least one support 156 is under each tile. The tile support 156 is repositionable along the longitudinal axis 184 by sliding the first leg 252 along the cavity 250. The cavity 250 may extend along the axis 184 (e.g., all the way along the length of the strip 180).

[00103] As exemplified, the cavity 250 may be open through the first end 186 and/or the second end 188. The tile support 156 may be inserted into the cavity 250 longitudinally from the first end 186 or the second end 188.

[00104] In some examples, the cavity 250 is shaped to prevent the tile support 156 from being removed vertically. As exemplified in Figure 5B, the cavity 250 may be a longitudinally extending cavity with a longitudinally extending open slot 256 at a lower end to accommodate the L-shaped plate, but the open slot 256 may be stepped out (i.e. , laterally) from a main body 258 of the cavity 250. The cavity 250 may include a lower shoulder 260 below the main body 258 of the cavity to prevent vertical movement of the first leg 252 within the cavity 250.

[00105] In some embodiments, the tile edging apparatus 240 includes a plurality of the tile supports 156. The tile support 156 may be independent from one another. The plurality of tile supports 156 may be held in a common cavity 250. For example, the longitudinally extending cavity 250 may hold two or more tile supports 156 end to end or spaced from one another along the longitudinal axis 184.

[00106] Referring now to Figures 6 to 9, the tile edging apparatus 240 may include a connector 270. The connector 270 joins the tile edging apparatus 240 end to end with an another of the tile edging apparatus 240. The connector 270 may be a connector tab. As exemplified, the connector 240 may be a plate slidable into the cavity 250 at one end (e.g., the first end 186) of one tile edging apparatus 240 and into the cavity 250 at an opposite end (e.g., the second end 186) of another tile edging apparatus 240 to join the two tile edging apparatus together.

[00107] Referring now to Figures 12A and 12B, illustrated is another example of an edge restraint 1150. Edge restraint 1150 is similar in some respects to edge restraint 150, and like features are indicated by like reference numbers incremented by 1000. The edge restraint 1150 includes a fixation flange 1182. The fixation flange 1182 includes a blocking body 1280 moveable between a secured position over the aperture 1226 and a removed position spaced from the aperture 1226 such that a fastener 1152 can be passed through the aperture 1226. In some embodiments, as exemplified, an upper rim 1282 of the aperture 1226 is recessed below a top surface 1284 of the fixation flange 1182.

[00108] The fixation flange 1182 may include a spaced-apart pair of parallel ridges 1286 flanking the aperture 1226 and spaced from the aperture 1226 to receive a head 1288 of the fastener between the ridges 1286. The ridges 1286 may provide a surface on which tile or other material can rest without resting on the head 1288 of the fastener 1152. In some embodiments, each ridge may include a groove 1290 facing the other ridge. The blocking body 1280 may be slidably received in the grooves 1290 between the ridges 1286, the body 1280 overlying the aperture 1226 as exemplified in Figure 12B.

[00109] As used herein, the wording “and/or” is intended to represent an inclusive - or. That is, “X and/or Y” is intended to mean X or Y or both, for example. As a further example, “X, Y, and/or Z” is intended to mean X or Y or Z or any combination thereof.

[00110] While the above description describes features of example embodiments, it will be appreciated that some features and/or functions of the described embodiments are susceptible to modification without departing from the spirit and principles of operation of the described embodiments. For example, the various characteristics which are described by means of the represented embodiments or examples may be selectively combined with each other. Accordingly, what has been described above is intended to be illustrative of the claimed concept and non-limiting. It will be understood by persons skilled in the art that other variants and modifications may be made without departing from the scope of the invention as defined in the claims appended hereto. The scope of the claims should not be limited by the preferred embodiments and examples, but should be given the broadest interpretation consistent with the description as a whole.