Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850)
12/2012
12/19/2012CN202610817U Earth rock cofferdam structure
12/19/2012CN202610816U Overwater anti-storm foundation pit enclosure structure
12/19/2012CN102828522A Novel plastic drainage pipe
12/19/2012CN102828521A Underwater water-stopping method for precast pile caps
12/13/2012WO2012168616A1 Method for manufacturing a retaining wall from a rough soil-mix wall
12/13/2012CA2837506A1 Method for manufacturing a retaining wall from a rough soil-mix wall
12/12/2012CN202596175U Building construction site water recovery system
12/12/2012CN202595754U Steel cofferdam structure suitable for deep silt seam bridge construction at shallow sea regions
12/12/2012CN102817370A Positive pressure and negative pressure combined grouting method
12/12/2012CN102817369A Construction technology of one-time cut-ball for bottom sealing of large-area double-wall steel cofferdam
12/12/2012CN102817342A Construction technology of in-situ assembly under pile foundation construction platform of double-wall steel cofferdam
12/12/2012CN102191777B Steel sheet pile coefferdam structure and topdown construction method thereof
12/05/2012CN202578488U Tube well hole-forming device
12/05/2012CN202577960U Suspension outer bearing type combination steel formwork applied in roller compacted concrete (RCC) construction
12/05/2012CN202577329U Milling groove stirring machine
12/05/2012CN202577328U Double-row jet grouting pile waterstop wall used in single-row drilled filling pile dock wall structure
12/05/2012CN202577327U Grout stopping structure for final joint of immersed tube tunnel
12/05/2012CN202577326U Water lowering device for mine pit
12/05/2012CN202577325U Cofferdam collaborative operation device of steel pipe pile platform and steel board pile
12/05/2012CN202577324U Reinforced-concrete combined hanging box
12/05/2012CN202577320U Dry dock slope for large-size immersed tunnel
12/05/2012CN202577160U Island and cofferdam construction structure of access roads, access bridges and bearing platforms
12/05/2012CN102808381A High-water-level silty-soil underneath-pass multi-track railway frame bridge jacking and butting construction method
12/05/2012CN102277869B Plug hole type pressure-reducing and draining tube pile and preparation process thereof
11/2012
11/29/2012WO2012159160A1 Pole assembly with transition ring
11/28/2012CN202559367U Floating type concrete arch cofferdam structure
11/28/2012CN102803615A Structure for connecting steel pipe sheet piles, and steel pipe sheet pile structure
11/28/2012CN102797266A Well sealing waterproof construction method for dewatering well
11/28/2012CN102797261A Bearing platform water stopping structure
11/28/2012CN102797260A Dewatering well flow regulator
11/28/2012CN102182149B Method for entering river of parallel edges-free cofferdam with air bags
11/28/2012CN102116032B Method for closing bottom of steel boxed cofferdam and gaps among river beds
11/22/2012WO2012157829A1 Batch-installation-type large-caliber underwater casing installation structure using sheet pile and method for constructing same
11/21/2012CN102787614A Drainage structure of excavation slope of plunge pool
11/21/2012CN102787613A Underground cavern drainage blind ditch device and construction method
11/21/2012CN102787612A Process for constructing substrate dam of refuse dump
11/21/2012CN102787611A Precipitation method for excavation of foundation pit at collapsible loess region
11/21/2012CN102787607A Deep foundation pit precipitation support construction method applicable to coastal region
11/21/2012CN102787606A Protection method for ambient environment in processes of excavation and precipitation of foundation pit
11/21/2012CN102102368B Rotating hanging arm device for steel hanging box of underwater bearing platform
11/14/2012CN202530468U Leaking stoppage device of foundation pit
11/14/2012CN202530467U Drain device reducing water buoyancy of building basement
11/14/2012CN202530466U Foundation pit blind drain structure
11/14/2012CN202530465U Foundation pit drainage structure
11/14/2012CN202530464U Road drainage foundation-pit supporting structure for auxiliary steel sheet pile construction of dewatering wells
11/14/2012CN202530449U Tapered pipe pile with bidirectional misaligned through holes
11/14/2012CN102776892A Underground vertical water-retaining curtain wall construction device
11/14/2012CN102776891A Method for processing underground supporting structure leakage of foundation with rock block layer in soft soil
11/14/2012CN102776890A Underwater pushing correcting method of steel cofferdam and pushing device of steel cofferdam
11/14/2012CN102776889A Island and cofferdam construction structure of bearing platform
11/14/2012CN102776878A Construction method for preventing diaphragm wall from streaming
11/13/2012US8307587 Water drainage device
11/08/2012WO2012149670A1 Construction method for root-type foundation anchorage and bored, root-type cast in-situ pile with anchor bolts
11/07/2012CN202519694U Open caisson foundation structure under saturated water condition when geology is sludge layer
11/07/2012CN202519693U Anti-seep structure for bottom pit and side walls of elevator
11/07/2012CN202519692U Strong-suction downcomer well
11/07/2012CN202519691U Saliva ice control structure
11/07/2012CN202519690U Releasing device for bottomless dual-wall steel boxed cofferdam
11/07/2012CN202519689U Bearing steel plate earth-rock combination cofferdam structure
11/07/2012CN202519688U Earth-rock cofferdam structure for deep water and torrent inclined rock surface riverbed condition
11/01/2012US20120272590 Building envelope assembly including moisture transportation feature
10/2012
10/31/2012CN102758444A Construction method of benzene hydrogenation engineering earthwork
10/30/2012US8297005 Apparatus and method for diverting water at basement joints
10/24/2012EP2513377A2 Tool for thin diaphragms
10/24/2012CN202500143U Built-in dewatering well structure of sump
10/24/2012CN102747739A Blind ditch structure for preventing float of bottom plate
10/21/2012CA2738146A1 Subsurface insulation product and method for installing same
10/18/2012DE102011017137A1 Device for slope stabilization, has transportable and variably designable system that sets regulated channel and discharge for surface water according to road construction in dam locations or trenches up till ground cover of slope
10/17/2012CN202492853U Embedded part structure of cut-off wall
10/17/2012CN202492852U Plugging device of dewatering well
10/17/2012CN202492849U Anti-seepage grouting vibroflot
10/17/2012CN102733405A Method for reducing temperature of frozen earth and preventing water catchment in pit for permafrost region
10/17/2012CN102733404A Method for preventing permafrost layer from feeding water to inflow in excavation pit by using natural cool energy
10/17/2012CN102733403A Method for preventing permafrost layer from feeding water to inflow in excavation pit by using waterproof film
10/17/2012CN102733402A Pile type cofferdam method
10/17/2012CN102733401A Method for treating dump slope of surface mine
10/17/2012CN102733349A Method for de-silting lake and constructing lake center island
10/10/2012CN202482882U Vertical composite curtain of sanitary rubbish landfill
10/10/2012CN202482881U Precipitation hole structure
10/10/2012CN202482880U Cofferdam with fender post structure
10/10/2012CN202482851U Positive temperature coefficient (PTC) type pair-punched hole conical tube pile for deep soft foundation treatment
10/10/2012CN202482850U Bidirectional opposite perforation conical tubular pile
10/10/2012CN202482849U Asymmetric tapered pipe pile with bidirectional counter-through-holes
10/10/2012CN202482847U Conical tubular pile with starlike perforated holes
10/10/2012CN202479197U Simple structure for health improvement of refuse landfill
10/10/2012CN102720205A Floating transport type assembled cofferdam and river bank renovating cofferdam system thereof
10/10/2012CN102720204A Water stopping method of man-made island steel cylinder cofferdam structure
10/10/2012CN102720203A Water stopping structure of man-made island steel cylinder cofferdam
10/10/2012CN102720202A Foundation pit supporting and protecting structure of underground continuous wall and construction method of structure
10/10/2012CN102720192A Construction method for piling prestressed concrete hollow pile into thick-layer soft soil processed by cement mixing piles
10/10/2012CN102720180A Soft foundation treatment method employing 'cutting drainage deep-layer preloading and dynamic consolidating'
10/10/2012CN102720178A Flat ramming system for immersed tube foundation construction
10/10/2012CN102720140A Large-span prestress concrete continuous beam deepwater pier construction process
10/10/2012CN102720136A Island and cofferdam construction method for roads, bridges and bearing platforms
10/10/2012CN102162250B Protective construction method of excavating large area deep foundation pit in running sand confined water soil layer
10/10/2012CN102003191B Mine curtain grouting effect determining method
10/03/2012EP2505719A2 Self healing salt water barrier
10/03/2012CN202467170U Aluminum alloy rising template system
10/03/2012CN202466608U Precipitation structure of elevator pit
10/03/2012CN202466607U Water-descending barrel
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