Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850)
06/2010
06/30/2010CN101761087A Rapid low-cost water level lowering well sealing device and construction method thereof
06/30/2010CN101761066A Upper disk multimachine plate inserting operation mechanism of ultra-soft layer plate inserting machine
06/23/2010CN201512801U Open mine side slope water plugging and pre-reinforcing device
06/23/2010CN201512800U Guide bell
06/23/2010CN101748744A Asynchronous sinking construction method of separated steel cofferdam of large-scale bridge base
06/23/2010CN101748743A Bucket type foundation reinforcing method by replacing water with air
06/23/2010CN101748742A Dual-plugging construction method of concrete and flange for depressurization well
06/23/2010CN101245603B Floating arch cofferdam and construction method
06/17/2010US20100146993 Liquid nitrogen enabler
06/16/2010CN201506980U Drainage tunnel for an alumina producer red-mud storage yard
06/16/2010CN101736747A Anchor dropping underwater detacher
06/16/2010CN101736720A Bottom sealing method for intestinal bag concrete, plastic clay and conventional concrete in steel cofferdam
06/16/2010CN101377078B Method for preventing and controlling sand leakage of tailings storage backwater tapered slot
06/16/2010CN101289867B Construction process for removing foundation ditch in water
06/15/2010US7735271 Crawl space encapsulation system
06/09/2010CN201502063U Wall pipe for dewatering well of deep well
06/09/2010CN101725157A Sub level seepage water diving drainage technique
06/09/2010CN101725149A Construction method of long open-cut tunnel
06/09/2010CN101285303B Construction method of relief well
06/09/2010CN101086164B Highly effective quick-speed anti-seep plugging technology for cofferdam
06/08/2010US7730673 Window well assembly
06/02/2010CN201495552U Inspection well base with inner boss
06/02/2010CN201495551U Fairlead for positioning large-sized suspension box-cofferdam
06/02/2010CN1837511B Double-rowed cofferdam and method for manufacturing the same
06/02/2010CN101457527B Simple and rapid water stopping method for larsen steel sheet pile cofferdam
06/02/2010CN101446085B Underground type drop and drainage structure outside the building and its construction method thereof
06/02/2010CN101446084B Underground building outdoor-indoor water drainage combination structure and method thereof
06/02/2010CN101368389B Single and double-wall combined steel cofferdam construction method and its single and double-wall combined steel cofferdam
06/02/2010CN101353892B Three-dimensional space water drainage method and structure of gravitational field
05/2010
05/26/2010CN201485859U Sealing device of dewatering casing of deep well
05/26/2010CN201485858U Intelligent control system for engineering dewatering risks
05/26/2010CN201485853U High-pressure injecting and grouting system with construction quality monitoring equipment
05/26/2010CN201485841U Steel pontoon lock head for soft soil foundation
05/26/2010CN101713193A Gravity-flow type dewatering construction method for foundation pit
05/19/2010CN201473949U Reusable steel casing
05/19/2010CN101148887B Drainage treatment structure for working landfill slope underground water
05/19/2010CN101148886B Drainage treatment structure for unbuilt or abuilding landfill slope underground water
05/19/2010CN101148885B Stereo drainage system structure for landfill underground water
05/13/2010US20100115879 Concrete block-out-grout tube with drain
05/12/2010DE102008062412B3 Hydraulic valve for use in sealing wall chamber system to create passage window in sealing wall, has filter unit made of plastic and exhibiting guiding elements for sieve plate, where guiding elements are arranged at inner wall of tube body
05/12/2010CN201459746U Underground water guiding and draining structure of anchoring groove position of landfill site
05/12/2010CN201459745U Bridge pier steel cofferdam with crashproof function
05/12/2010CN201459744U Deepwater earth-rock cofferdam structure
05/12/2010CN101705691A Construction method of dewatering well under foundation slab in foundation pit
05/11/2010US7712267 Self centering shaft wall system
05/06/2010US20100107540 Attachment element for studded plastic sheets
05/04/2010US7708501 Gabion deployment
05/04/2010US7707789 Crawlspace access panel
05/04/2010US7707752 Trench wall in the ground and method for the production thereof
04/2010
04/28/2010CN201443064U Interlink water drainage and seepage pipe
04/27/2010CA2556276C Ground freezing method and apparatus with geothermal gradient compensation
04/21/2010CN201439603U Flow intercepting steel box structure
04/21/2010CN101251019B Subsection retrusive slip-casting method for porthole slurry-stop mixed double-pipe
04/21/2010CN101251018B Subsection retrusive slip-casting method for porthole slurry-stop mixed double-pipe
04/20/2010US7698858 Membrane for the protection of buildings
04/08/2010DE102008063877B3 Hydraulic valve for creating passage window in sealing wall, has antiflooding valve i.e. non-return-valve, arranged at flow path between chambers or in chambers for flow of fluid only in flow direction
04/07/2010CN101691756A Construction method of foundation pit confined water inrushing emergency water-lowering well
04/01/2010US20100077677 Adjustable underground meter installation
03/2010
03/31/2010CN201433344Y Composite protection structure for stabilizing road bed in mountain road
03/31/2010CN101684653A Dry method pit sinking construction technique
03/24/2010CN201428137Y Water-proof sheet pile cofferdam
03/18/2010US20100067986 Adjustable system and method for carrying out work at an underwater structure
03/17/2010EP2163692A1 Adjustable system and method for carrying out work at an underwater structure
03/17/2010CN101672397A Composite reinforced discharge hose
03/10/2010CN201420261Y Permeable pipe
03/04/2010US20100054859 Hydraulic Sliding Insertion Panel and Its Using Method
03/03/2010CN101660312A Reinforced cement mixing pile composite foundation treatment and construction method
02/2010
02/24/2010CN201411771Y Machine set repairing drain system
02/24/2010CN201411702Y Combined steel filter pipe
02/24/2010CN100591866C Drifting sand layer and gravel stratum water-moving double-liquid high pressure slip-casting water-blocking construction method
02/24/2010CN100591865C Construction method of socket water stop curtain for dual spindle soil-cement stirring mill
02/24/2010CN100591864C Construction method of ikebana socket water stop curtain for dual spindle soil-cement stirring mill
02/24/2010CN100591863C Underwater no-bottom closing concrete boxed cofferdam and method of use thereof
02/17/2010CN201406754Y Drainage structure of underground powerhouse
02/17/2010CN201406688Y Water gathering cover for treating partial water inrush of foundation pit
02/17/2010CN101649621A Technology for constructing anti-collision bridge pier by steel cofferdam
02/17/2010CN101649620A Guide clock and application method thereof
02/16/2010US7661232 System and method for a secondary water drainage system with street level leak detection
02/03/2010CN201395790Y Hot pipe type manual stratum cooling system
02/02/2010US7654284 Fluid draining manifold for roofs and associated method
02/02/2010US7654051 Device and method to provide air circulation space proximate to insulation material
01/2010
01/27/2010CN201390969Y Assembly type double-walled steel cofferdam structure without diagonal web members
01/27/2010CN101634152A High flow soil engineering composite drainage network and method for producing same
01/27/2010CN101634151A Safe combined sewer-well cover
01/27/2010CN101634150A Large-scale suspended box cofferdam location fair lead and location method thereof
01/27/2010CN100585095C Positioning sinking process for steel open caisson under water
01/20/2010CN201386282Y Jet supercharging system for light well-point dewatering system
01/20/2010CN201386275Y U-shaped steel sheet pile with vortex combination structure
12/2009
12/31/2009US20090324344 Biosealing
12/30/2009CN201372439Y Single-wall and double-wall combined steel cofferdam
12/30/2009CN101614017A Construction method of deep water earth-rock cofferdam structure
12/30/2009CN100575618C Construction method of opening locked steel tube pilecofferdam
12/23/2009CN201367593Y Cofferdam with flexible structure
12/23/2009CN101608445A Engineering underground raw water recharging method
12/23/2009CN100572688C Method for consolidating soft soil ground foundation by dynamic pre-drainage consolidation method
12/16/2009CN101603315A Method for constructing seepage prevention system of secondary cofferdam for immersed tube tunnel
12/09/2009CN101597906A Construction method of support structure for retaining soil and water
12/09/2009CN101597904A Waterproof sheet pile cofferdam and construction method thereof
12/09/2009CN101597898A Rigid drainage pile and construction method thereof
12/02/2009CN101591916A Water-seal capsule for construction of underwater concrete slip jacket without seal bottom
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