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WO/2018/221933A1 |
The present invention relates to a casing guide apparatus for a ground excavator, and includes a casing guide apparatus for a ground excavator, comprising: a first main guide body having a round part in which at least one area of the inn...
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WO/2018/214143A1 |
A construction method for plugging a dewatering well having a penetrating bottom plate in a foundation pit, comprising: manufacturing and installation of steel sleeves, tube well dewatering in each construction phase, preparation work of...
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WO/2018/197828A1 |
The invention relates to apparatus and methods for constructing walls, in particular concrete embedded retaining walls such as diaphragm walls, comprising one or more panels, and walls so constructed. In particular the invention relates ...
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WO/2018/192042A1 |
Disclosed is an environmentally friendly capsular bag-type downhole karst cave blocking device, relating to the field of petroleum drilling, and mainly being used to block a downhole karst cave. The device comprises mechanical parts, suc...
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WO/2018/113488A1 |
A pipe jacking and freezing system, comprising a circulating pipe channel, a freezing pipe (3), a standard pipe jack (4), a refrigerant delivery device (5), a temperature-sensing cable (6), a connection pipe channel (7), and a circulatin...
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WO/2018/077478A1 |
The invention relates to an apparatus (1) for freezing ground, having a freezing head (100) extending along the longitudinal axis (L), a first conduit (10) for introducing a first cooling medium (F) or a second cooling medium (S) differe...
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WO/2018/013981A9 |
Apparatus allowing ventilation through a ventilation shaft to an underground ventilation duct fluidly communicating through the ventilation shaft to an atmospheric opening of the shaft and on threat of flooding operable to prevent downwa...
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WO/2018/045257A1 |
Composite particles of a hard core coated by a layer of hydratable, swellable clay such as bentonite are useful for constructing, modifying and/or supporting lifeline structure such as dams, berms and levees, and/or pipelines or conduits...
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WO/2017/176591A1 |
A hydraulic barrier composition can include granules of a water-swellable clay and a water-solvatable polymer. Upon contact with a leachate at least portion of the polymer is solvated by the leachate and becomes entrapped in at least one...
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WO/2017/129319A1 |
The invention relates to a foundation surrounding means and a method for creating a foundation surrounding means, wherein a substantially vertical surrounding wall formed by diaphragm wall panels is created in the ground, the vertical bu...
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WO/2017/090033A1 |
Systems and methods for underground water seeping prevention system comprising: a vertical cutting subsystem; a horizontal cutting subsystem; a sheet deployment subsystem; and a control subsystem comprising at least one computing device ...
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WO/2017/007306A1 |
Aground water flow device (1) has a support element (3) and a filter sheet (5). The filter sheet has a first side (7) and a second side (9). Tubes (13) are provided with flow apertures (11) which are large enough to allow the passage of ...
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WO/2016/159774A1 |
A damping element (1) comprises in the longitudinal direction (16), adjoining one another, a head part (2), neck pit (3) and foot part {4} of concrete. The cross section of the neck part (3), viewed transversely to the longitudinal direc...
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WO/2016/155657A1 |
A movable cofferdam open-cutting method comprises the following steps: 1, enclosing to form a cofferdam body; 2, cutting out earth in a construction mass (1) to build a tunnel; 3, removing a removal body (2); 4, building a new constructi...
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WO/2016/139474A1 |
A cofferdam (1) for securing to an elongate member (50). The cofferdam (1) comprising a first portion (2) having proximal and distal ends (202a, 202b). The distal end (202b) having a perimeter greater than a corresponding perimeter of th...
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WO/2016/098367A1 |
The purpose of the present invention is to provide a ground freezing construction method having good coolant thermal efficiency without a gas phase coolant being released into the ground or into the air. For that purpose, the present inv...
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WO/2016/069843A1 |
Paper-based elongate structures suitable for use as lumber substitutes, articles of manufacture made thereof, kits of materials including such structures, and machines and methods for making the same. Elongate structures according to the...
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WO/2015/173529A1 |
The invention relates to a method for insulating sub-soil, comprising mechanically destructuring said sub-soil, injecting an insulating material into said destructured sub-soil, and mixing said sub-soil and said insulating material. The ...
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WO/2015/157853A1 |
A shoring system for controlling liquid on a site comprising a plurality of slide rails and a plurality of lateral plates. The plurality of slide rails comprise at least one liquid-controlling slide rail comprising a hollow body and late...
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WO/2015/060714A1 |
A water-permeable, sand-stopping sheet pile wall is applied to the inside of a dike. The sheet pile wall is constructed modularly of elements with a frame containing a suspended geotextile and with profiled coupling sections on two verti...
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WO/2015/044667A1 |
A suction anchor for a remotely operated vehicle comprising a frame attachable to a remotely operated vehicle, anchor cans beneath the frame beneath and connectable to a pump. In particular the anchor can be deployed as part of a method ...
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WO/2014/175717A1 |
The invention is of interest in the fields of agricultural drainage, construction, protection against flooding and contamination of the subsoil, and refilling of aquifers, and especially relates to a pre-fabricated underground screen for...
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WO/2014/156864A1 |
A lower-most block (3) is connected on top of a base (5) while the base (5) is floating on water, and then sunk to a predetermined depth. Then, an upper block (3) is connected on top of the lower block (3) using a connecting structure (1...
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WO/2014/135818A2 |
The aim of the invention is to provide, at a reduced cost, a filtering device providing an effective temporary sanitation solution that lasts for the entire duration of a civil engineering worksite. For this purpose, the filtering device...
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WO/2014/129899A1 |
A method for consolidating water-containing groundcomprising providing an elongated drain element, the drain element allowing both collection and transport of fluid along a longitudinal direction of the drain element; providing a pump to...
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WO/2014/001656A2 |
The automatic flushing device (CA) according to the invention is characterized in that the secondary trap (5) comprises, in addition to said main outlet (52), an auxiliary outlet (54) which is smaller than the main outlet (52), which is ...
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WO/2013/183991A1 |
Valve seat (1) for a valve for a piston pump, comprising a ring (2) with a flat side and a disc (4) with a flat side received within this ring (2), wherein the flat sides of the ring (2) and the disc (4) lie in one plane, and the ring (2...
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WO/2013/183990A1 |
Apparatus for drainage by well points (1), comprising a piston pump and a drive motor (3) coupled to the piston pump by means of a transmission and provided with a drive shaft (9), which transmission is received in a housing (4) and comp...
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WO/2013/113031A1 |
A hydraulic barrier composition can include granules of a water- swellable clay and a water-soluble polymer. Upon contact with a leachate at least portion of the polymer is solvated by the leachate and becomes entrapped in at least one o...
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WO/2013/021333A1 |
Embodiments described herein are related to water management units for extracting water from moist soil. The units extract water and collect it to be siphoned away as waste water or for later use. A water management unit comprising: an e...
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WO/2012/176059A1 |
The invention relates to a method for reinforcing the levees of rivers, lagoons and lakes and controlling seepage therethrough, comprising the formation of a ditch along the length of the levee or dyke on the bank of the river, lagoon or...
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WO/2012/168616A1 |
The invention relates to a method for manufacturing a retaining wall (20), which comprises: a step of manufacturing a rough wall (10) in soil (S), including a step of digging a trench in the soil and a step of simultaneously mixing soil ...
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WO/2012/159160A1 |
A sealing arrangement for a pole assembly having a tubular base, a tubular upper mast of smaller diameter, and a cladding. An end of the upper mast is inserted within an end of the base and a portion of the base overlaps the upper mast a...
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WO/2012/157829A1 |
The present invention relates to a large-caliber casing installation construction for preventing a collapse or an inflow of an earth layer during excavation of the ground for laying a foundation in the process of building a underwater st...
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WO/2012/149670A1 |
A construction method for a root-type foundation anchorage comprises the following steps: concrete precasting a bore hole (1) in sections, reserving in the wall of said bore hole (1) holes (3) for the insertion of anchor bolts (2); clean...
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WO/2012/096628A1 |
A vertical drain for draining fluid from ground soil, comprising a tubular structure defining a circumferential wall of an internal fluid conduit; a filter surrounding said tubular structure; and a conductive element extending within and...
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WO/2011/127528A1 |
A method of effecting a stabilization and effecting a lifting of a portion of a footing of a building which includes the steps of effecting an introduction of water resistant plastics into soil and openings in the soil in the vicinity of...
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WO/2011/120557A1 |
A method is disclosed for constructing a diaphragm wall by casting alternate primary (10, 11) and secondary (20) panels in the ground. The primary panels (10, 11) are excavated and cast first, and a cutter joint (15) or similar jointing ...
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WO/2011/079468A1 |
A method for protecting roadbeds (7) in frozen soil area and a pavement structure are provided. The method comprises laying two-layer or more than two-layer road surface layers (4,5,6) with gradient thermal conductivity structure on the ...
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WO/2011/072783A2 |
A cutting/mixing tool for thin diaphragm walls mounted at the end of at least one drilling rod (47) moved by a slidable assembly (42, 62) along a tower (41), carried by an operating drilling machine (40); the tool (45) being characterize...
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WO/2010/146836A1 |
Disclosed is a structure for connecting steel pipe sheet piles which is provided with: a pair of first L-shaped members which are joined, both facing inwards, to the side of a first steel pipe sheet pile; and a pair of second L-shaped me...
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WO/2010/103454A1 |
A description is given of a method for preparing a quarry (2) containing raw materials which retain water by capillary forces. The method is characterized in that a least one well (3) is provided in or around the quarry (2), with said we...
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WO/2010/073538A1 |
A steel sheet pile wall formed by inserting at least two adjoining hat-shaped steel sheet piles into the ground at the boundary between a natural ground side and an excavation side. The hat-shaped steel sheet pile is integrally provided...
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WO/2009/067286A1 |
Geocomposite articles that can provide a barrier against high conductivity water e.g., ocean water, are described and their method of manufacture, for waterproofing surfaces that contact high conductivity water. The geocomposite article ...
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WO/2009/015668A1 |
A physical system that works as a natural alternative of barrier dams to the water of river lakes and floods if these dams are subjected to earthquake or dangers and that to revenge disasters and to protect lives.
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WO/2009/005530A1 |
Trapped moisture in the walls of a building structure may result in the building materials prematurely deteriorating unless there is a way for the moisture to escape. A rainscreen drainage mat provides an open cavity for the trapped mois...
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WO/2008/150531A2 |
A method for forming a barrier in a subterranean formation is described comprising connecting two pipes to each other by a tensile member, cutting a continuous path through the subterranean formation with the pipes and tensile member, an...
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WO/2008/118751A1 |
Disclosed herein is an apparatus for forming a drainage conduit including a body portion, a level indicator affixed to the body portion operable for indicating a pitch of the body portion, and a handle affixed to the body portion, wherei...
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WO/2008/048717A2 |
The invention includes a method of making and using a flowable thermal backfill. The flowable thermal backfill has a low thermal resistivity, useful for filling trenches containing electrical cables and other lines that generate heat. Th...
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WO/2008/003120A1 |
A lining system (19) to line a surface of a containment area. The lining system (19) comprises a first layer (21) comprising a first material having fire resistant properties, the first layer (21) having been sprayed onto the surface. Th...
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