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Matches 1 - 50 out of 1,872

Document Document Title
WO/2020/165562A1
A geosynthetic clay liner comprising a first geotextile layer, a second geotextile layer, and a clay layer provided between the first and second geotextile layers. The geosynthetic clay liner comprises electrically conductive material.  
WO/2020/140115A1
An exemplary fluid containment system includes at least one baffle having an outer tube and an inner tube. The outer tube has an elongated geometry that defines a size and shape of the baffle structure. The inner tube can be inflated and...  
WO/2020/138860A1
The present invention relates to a method for constructing an annular foundation, the annular foundation being installed underwater so as to provide a space for cofferdam construction, the method comprising: a support pile connection ste...  
WO/2020/114523A1
A double-wall cofferdam and a pier construction method using same. The double wall cofferdam comprises at least one double-wall cofferdam unit; the double-wall cofferdam unit comprises a wall body (1), a cutting edge (2), an inner suppor...  
WO/2020/098993A1
The invention relates to a method for producing a sealing base in the ground, in which a multiplicity of sealing bodies which are adjacent to one another or overlap is produced in a first ground layer by means of injection of a curable i...  
WO/2020/085590A1
The present invention relates to a cofferdam structure. An annular cofferdam using tapered square pipes and a temporary structure for pit excavation construction, according to one embodiment of the present invention, include a plurality ...  
WO/2020/051198A1
Systems and methods of restoring a lake including dredging, island creation, water treatment, real estate development, computer modeling of environmental conditions, wave height reduction, sediment removal and encapsulation, bathymetry c...  
WO/2020/032453A1
The present invention relates to a construction method of multi-walls for construction of ports, rivers, dams, and concrete buildings which can prevent inflow of soil and water, while securing the function of bracing or coffering carried...  
WO/2019/137149A1
An engineering system for collecting and utilizing regional rainwater and an allocation method. The engineering system for collecting and utilizing regional rainwater comprises a rainwater collection system, a water quality treatment sys...  
WO/2019/041049A1
Wax-modified asphalt can be employed in peel-and-stick sheets. In some embodiments, the method includes adding a wax to an asphalt blend. The addition of wax can result in an asphalt having lower viscosity, higher softening point, improv...  
WO/2019/017498A1
A method for constructing a continuous underground wall includes: a steel pipe installation step of continuously alternately installing first steel pipes and second steel pipes in a construction direction; an excavation step of excavatin...  
WO/2018/234836A1
Method and system for the productive construction of a diaphragm wall without earth excavation, during which a continuous watertight and/or water-transmitting layer is inserted preferably in flood prevention embankment dams, wherein a na...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/2018/013981A3
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
WO/2014/135818A3
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...  
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...  
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...  
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...  
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...  
WO/2014/001656A3
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  

Matches 1 - 50 out of 1,872