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WO/1987/004477A1 |
The railway level crossing panel (10) comprising polyester concrete, coffers or recesses (14) in the underside of the panel and reinforcing rods (22, 24) in the upper surface, in the ribs (20) defined by the recesses (14) and in lateral ...
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WO/1986/000274A1 |
Landing deck for aircrafts, in particular for helicopters, on seagoing vessels and offshore installations, such as platforms. When fuel is leaking from a helicopter after an accident, as for instance an unsuccessful landing, a fire often...
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WO/1985/005397A1 |
The dismountable composite structure is characterized in that each slab (1) is made of plastic material and is comprised of an upper planar surface (2) and of a lower surface reinforced by a plurality of ribs (3) and wherein there is fur...
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WO/1985/004434A1 |
A paving block has six sides, and a top (10) and a bottom surface (12). Two of the side surfaces (14, 16) are substantially parallel and substantially twice as long as each of the other four side surfaces (18, 20, 22, 24), two surfaces (...
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WO/1985/002872A1 |
Pressed concrete paving stones may be internested, owing to the shapes thereof, for covering grounds subjected to important strains. Their shapes are comprised of an upper part (1) configured as a semi-ellipse and of a lower part (2), co...
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WO/1984/002520A1 |
Quartz sand molded elements, obtainable from dry quartz sand by the action of a high voltage electrostatic field due to the orientation and optionally the electrostatic charge of the quartz sand grains in the electric field, and to the s...
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WO/1981/000732A1 |
In road coatings, particularly temporary ones, the separate elements must be mutually locked for transmitting forces. Thus, each element (1) comprises, in each butt end face, a semi-cylindrical recess (3) open upwardly and crossed by a l...
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JP2024055186A |
[Problem] To develop a simple tape height adjustment mechanism that can adjust the vertical position of the bituminous tape sent to and applied to the edge of asphalt pavement, and to change it to the optimal position. To provide a bitum...
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JP2024040778A |
[Problem] To reduce the cost of raw materials by reducing the amount of white Portland cement used, which can be used in the same way as white Portland cement, which is not easily available, without impairing the strength and whiteness o...
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JP2024032053A |
[Problem] To provide plant protection materials that enable safe walking of people and smooth running of vehicles, and that can protect and grow plants. The present invention has a lower block in which a plurality of columns and stoppers...
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JP2024029753A |
The ground structure consists of a base made of arranged concrete blocks and artificial turf fixed to the base. The concrete block contains cement, sand, and inorganic water retention material, and has a hydraulic conductivity of 1.0×10...
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JP7432212B1 |
The present invention provides a terrazzo structure and a method for manufacturing the terrazzo structure that have sufficient mechanical strength and water retention and can be applied to floors and parking lots where heavy vehicles com...
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JP2024014168A |
An object of the present invention is to provide a water-permeable block that has high water permeability and sufficient strength, and is lightweight, by focusing on calcined pumice. The water permeable part includes a frame part formed ...
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JP2024011094A |
[Problem] To improve water permeability while ensuring bending strength as a road. A road is formed by laying a plurality of paving blocks 10 on a roadbed. One or more through holes 12 are formed in the paving block 10. Rainwater on the ...
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JP2024002344A |
The present invention provides a laminated member that can suppress shape changes due to water infiltration. A laminated member 10, 110, 210 includes an upper layer member 20, 120 and a waterproof member 30, 230 provided on the lower sur...
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JP7410546B2 |
To provide a pavement stone block laying method that makes the cleaning work after the joint forming process extremely easy and allows the forming of a pavement stone block laid road in a short period of time for a pavement stone block l...
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JP2023184472A |
To provide an epoxy resin material for epoxy asphalt having economical efficiency and high low-temperature flexibility, and a method for producing the same.An epoxy resin material contains 60 parts of an epoxy resin main agent, 0.4-1.6 p...
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JP2023183589A |
To provide a weed control material laid on the ground in a combination of multiple materials and capable of increasing weed control effects.A weed control material A comprises a body part 10 forming an approximately rectangular parallele...
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JP2023183211A |
To provide a solidifying material for use in pavement or civil engineering work which solidifies in a shorter time than conventional manners, thereby making it difficult to flow out from a construction site, and also improving final stre...
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JP2023182214A |
To provide a road structure that positions paving members and prevents rainwater from staying on the road surface or from flowing into the roadbed.A road 2 is formed by laying a plurality of paving blocks 4 on a roadbed 6. Corners and si...
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JP2023182224A |
To provide a plate-shaped pavement member which makes voids in porous materials less likely to become clogged in comparison to cases where a horizontal plane forms an upper surface of solid concrete on which the porous material for pavin...
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JP7396978B2 |
Provided is a multilayer precast paved road that enables simple coupling between upper pavement panels and lower pavement panels using joint members and enables easy and quick assembly and removal without requiring a large number of proc...
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JP7388643B1 |
An object of the present invention is to provide a jack movable floor slab erection device that can smoothly and quickly move the floor slab erection device without moving wheels and can perform floor slab replacement work reliably and s...
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JP3244746U |
[Problem] To provide a synthetic resin floorboard that is lightweight and has excellent durability, which is used by laying it on the ground at a construction site, an event venue, etc. [Solution] A synthetic resin bottom plate 1 is form...
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JP2023168065A |
To provide a pavement material which eliminates the need for filling joints with sand or the like, can be easily constructed in a short time, and can suitably avoid the problem of noise in tightening a bedding sand layer, and a method fo...
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JP2023168171A |
To provide a technique for cutting natural stone, and finishing a natural stone product used for a pedestrian pavement surface.The present invention is characterized in that a convex surface (top surface) with bushhammer finish or chisel...
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JP2023166079A |
To provide an interlocking block which can withstand a high load, is easy to construct, and has a high degree of completion of construction.An interlocking block is composed of a block body 1 having a rectangular parallelepiped basic sha...
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JP2023161132A |
To provide an interlocking block that has an excellent white efflorescence inhibiting effect and is resistant to deterioration of the efflorescence inhibiting effect due to abrasion of the road surface forming surface due to the passage ...
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JP7372506B2 |
To provide one connection structure formed by disposing multiple prestress-applied concrete decks in a simple configuration.A tendon is disposed to apply prestress in a concrete deck 1. Multiple metal fittings are disposed at an end of t...
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JP2023158053A |
To provide technology for partially and reversibly reinforcing the ground of a parking lot.A method for setting up or demolishing a parking lot 10 is provided, and the method comprises a phase of setting up the parking lot 10 by installi...
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JP7366806B2 |
To provide a connection structure between a concrete hardened body and placing joint concrete to be post-placed at its end part, having higher strength and superior durability compared with a conventional connection structure of the conc...
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JP7354516B1 |
[Problem] The present invention contributes to global warming countermeasures, and provides a liquid chelating agent for removing soot and smoke emitted from thermal power plants and for use in a method for producing a material in which ...
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JP7349760B2 |
To provide a technology for partially reinforcing the ground of a parking lot, being a technology which can reversibly perform the reinforcement.On a surface of the ground of a parking lot 10, a plurality of disc-shaped reinforcing instr...
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JP2023133233A |
To provide a method for producing artificial basalt having a texture, appearance, and physical properties similar to natural basalt, and the artificial basalt produced thereby.A method for producing artificial basalt according to the pre...
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JP2023127123A |
To provide an expandable precast concrete slab capable of being manufactured in any shape while generalizing the function of a road surface.A precast road slab 900 is formed of a unit member 600 such as a functional unit for imparting a ...
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JP2023125290A |
To provide an interlocking block excellent in abrasion resistance.An interlocking block including a road surface forming layer composed of a cement composition containing cement, an aggregate, and water has a 5 mm sieve residue amount of...
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JP7334944B2 |
To provide a connecting structure between planking capable of suppressing rattling.Planking 10 of the present disclosure includes: holding parts 34 having a pair of dogleg-shaped bent parts 34A formed in a first thin plate part 30 formed...
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JP7332308B2 |
To provide a repair method that can easily realize the replacement of a part of an existing PC pavement with a PPRC slab in a short period of time.A part of an existing PC pavement 30 is repaired by being replaced with a PPRC slab 1. A s...
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JP7332309B2 |
To provide a technique capable of adding prestress to a tendon according to an operation to connect concrete decks.A tendon 2 is disposed in a concrete deck 1. A concrete deck connecting body is formed by connecting the concrete decks to...
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JP7329167B2 |
To provide a concrete floor slab structure in which easier construction and easier repair are possible compared to the prior art, and to further provide a large vehicle parking stall of a service area and a parking area to which the conc...
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JP2023108416A |
To provide a pavement structure excellent in workability and durability and capable of continuously taking out power from an environment such as facility infrastructure.A pavement structure 1 is a pavement structure in which a roadbed la...
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JP7320292B2 |
To provide a water collection basin capable of preventing the runoff of artificial lawn debris and rubber chips from an artificial lawn ground in a drainage ditch of the artificial lawn ground.A water collection basin installed in a drai...
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JP7317391B2 |
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JP7313689B2 |
To provide a joint system capable of improving workability when joining a pair of plate-shaped segments with a simple configuration.A joint system 1A comprises: a plurality of first joints arranged along a horizontal direction D1 on a fa...
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JP7312308B2 |
To provide a precast concrete floor slab and construction method for the same having improved on-site workability.A precast concrete floor slab comprises: a body 1; and an engagement part 2 provided on the opposing peripheral surface of ...
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JP2023100372A |
To provide a plant death prevention system that can prevent a plant planted in a parking lot from dying due to heat from vehicles.A plant death prevention system 20 is to prevent a plant P planted in a parking lot 1 from dying due to hea...
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JP2023530741A |
A strain-tolerant recycled bitumen paving composition comprising aggregate, recycled bitumen, and specialized polymer-modified bitumen. The specialized polymer-modified bitumen may comprise bitumen and a polymer, wherein the polymer pred...
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JP7300231B1 |
[PROBLEMS] To propose a precast floor slab and a waterproof layer capable of forming a waterproof layer having a certain quality without forming weak portions, and to propose a floor slab using the precast floor slab or the waterproof la...
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JP7298441B2 |
To provide a reduction in construction time at the time of installing a precast concrete slab to carry out the road construction.Piles 3 are placed in a grid pattern on a road body 2 formed by cutting the area to construct the road to a ...
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JP2023087148A |
To provide a block paving method and a block paving structure capable of extending a water permeation duration period and discharging muddy water to a lower part of a paving block.A block paving method comprises: a roadbed layer forming ...
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