Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850)
06/2011
06/01/2011CN201850554U Floating crane positioning structure of steel hanging box
06/01/2011CN201850553U Composite geomembrane weir core cofferdam
06/01/2011CN101748744B Asynchronous sinking construction method of separated steel cofferdam of large-scale bridge base
05/2011
05/25/2011CN201843143U Cofferdam of deep-water single-wall steel lifting box
05/25/2011CN201843142U Guide positioning device for construction of steel cofferdam
05/25/2011CN101691756B Construction method of foundation pit pressurized water-lowering well for inrushing emergency
05/25/2011CN101555692B Dewatering earth-taking construction method for foundation pit on water
05/18/2011CN102061706A Assembly steel box cofferdam and construction method thereof
05/18/2011CN101812852B Oil tank foundation active anti-floating construction method
05/18/2011CN101560764B Method for calking exploratory hole by intermittent high-pressure rotary jet grouting
05/11/2011CN201826321U Engineering precipitation water cyclic utilization system
05/11/2011CN201826320U Assembling and sinking device for double wall steel cofferdam
05/11/2011CN102051886A Light well point drainage construction technology
05/11/2011CN102051885A Process for absorbing and discharging water under deep foundation concrete
05/11/2011CN102051884A Underwater guard rail structure
05/11/2011CN101812853B Swimming pool base actively anti-floating construction method
05/11/2011CN101660312B Reinforced cement mixing pile composite foundation treatment and construction method
05/11/2011CN101440619B Seismic ecological bearing pile
05/10/2011US7937899 Water drain
05/04/2011CN102041810A Construction method for pouring dam foundation concrete in zone with centralized water gushing
04/2011
04/27/2011CN201809853U Drainage automobile for vertical deep-well operation
04/27/2011CN102031788A Deep well precipitation waterproof construction method of waterproof design-free basement
04/27/2011CN102031787A Construction method for cofferdam by taking steel tubes, bamboo basketries and plastic cloth as materials
04/27/2011CN101503881B Method for reinforcing underwater structure by fiber-reinforced composite material grid ribs
04/20/2011CN201801845U Geosynthetic bag
04/20/2011CN1837512B Combined cofferdam of steel slab pile and steel pipe pile an method for manufacturing the same
04/20/2011CN102021912A Method for constructing special shaped deepwater cofferdams on steep rocky riverbeds
04/13/2011CN201794082U Local precipitation and drainage device for deep foundation pit
04/13/2011CN102011405A Deepwater cofferdam slot sinking construction method
04/13/2011CN102011404A Pit supporting structure and construction method thereof
04/13/2011CN102011397A Construction process of concrete form water-stopping occlusion pile
04/06/2011CN201785763U Novel gravity precipitation system for transformer station
04/06/2011CN201785762U Drain pipe
04/06/2011CN201785761U Water-gas separation integrated tube well
04/06/2011CN201785747U Device for speeding up tailing concretion in initial operation period of tailing pond
04/06/2011CN102003191A Mine curtain grouting effect determining method
04/06/2011CN102002962A Determining method for water-plugging curtain permeability inversion analysis construction
04/06/2011CN102002959A Draining device of underground structure foundation and layout method thereof
04/06/2011CN102002958A Variable separation method of rectangular pile freezing wall design
04/06/2011CN101768976B Base pit dewatering and water saving device and construction method thereof
04/06/2011CN101748743B Bucket type foundation reinforcing method by replacing water with air
04/05/2011US7918055 Construction spacer
03/2011
03/30/2011CN201778331U Sump well system used in drainage construction of foundation ditches and retaining walls
03/30/2011CN201778330U Clay water-stop curtain wall
03/30/2011CN201778329U Pneumatic type multi-well dewatering system with automatic control function
03/30/2011CN201778328U Quickly removed overwater structural joint of offshore pile cap steel boxed cofferdam
03/30/2011CN201778326U Grouting device for basement drainage ditch
03/30/2011CN101435198B Deep pit support reinforcing anti-seepage water stop composite structure
03/23/2011CN201770991U Hierarchical precipitation structure for excavation of deep foundation pit in soft ground
03/23/2011CN201770990U Dewatering well structure in deep foundation pit
03/23/2011CN201770989U Combined cofferdam under complex geological conditions
03/23/2011CN201770986U Structure for embedding outdoor process pipeline
03/23/2011CN101251017B Subsection retrusive slip-casting method for porthole slurry-stop jackrod
03/22/2011US7908801 Material and method for providing insulation and drainage to a foundation wall
03/17/2011US20110064520 Device for preventing ice formation on a surface layer
03/16/2011CN201762733U Controllable decompression drainage floatation-resistant structure of building base
03/16/2011CN201762716U Novel light densely-distributed well point rainfall system
03/10/2011US20110057801 Space monitoring system with remote reporting
03/10/2011US20110056153 Moisture Barrier Device
03/09/2011CN201756701U Hybrid material inspection well cover
03/09/2011CN201756700U Multifunctional steel sheet pile concrete arch ring cofferdam
03/09/2011CN201756699U Hoop type steel sheet pile cofferdam platform
03/02/2011CN101435201B Large-scale shallow water floating cofferdam
03/01/2011US7896583 Gabion deployment
02/2011
02/24/2011US20110041426 System and methods for providing a waterproofing form for structural waterproofing
02/22/2011US7891913 Gabion deployment
02/16/2011CN201746844U Composite steel sheet piling cofferdam construction system
02/16/2011CN101974913A Parallel construction method of bridge deepwater foundation bored pile and cofferdam
02/09/2011CN201738340U Novel underground water-stopping structure
02/09/2011CN201738326U Drainage structure for sole plate and wall surface of underground building
02/09/2011CN201738325U Jettisoning structure for river dike dam capable of reducing closure difficulty
02/09/2011CN201738296U Groundwater recharging regulating device
02/08/2011US7883297 Gabion deployment
02/02/2011CN201730103U Glue fixed depth measurable type drainage component
02/02/2011CN101962955A Device for controlling engineering precipitation
02/02/2011CN101962954A Cylindrical steel boxed cofferdam and construction method thereof
01/2011
01/26/2011CN201722699U Injection gun device for chemical grout water shutoff construction
01/26/2011CN201722698U Quick well sinking and water precipitating device
01/26/2011CN201722697U Complete disassembly type single-walled steel hanging box
01/26/2011CN201722696U Facility for improving safe operation of overflow earth-rock cofferdam
01/26/2011CN101958034A Automatic early warning system for precipitation engineering
01/26/2011CN101956394A Quicksand treatment method for biomass pool
01/26/2011CN101725149B Construction method of long open-cut tunnel
01/19/2011CN201713825U Deformed steel cofferdam
01/19/2011CN201713824U Detachable reusable double-wall steel cofferdam
01/19/2011CN201713809U Pouring pile head water proofing processing structure
01/19/2011CN201713761U Hollow and closed type steel caisson cofferdam
01/19/2011CN101949153A Foundation drainage control method
01/19/2011CN101949148A Method for constructing artificial dug pile at reduced well point ground water level
01/12/2011CN101435200B Combined cofferdam construction method
01/05/2011CN201695379U Lock catch type connecting and water-stopping device of steel cofferdam
01/05/2011CN101936167A Construction method for crossing bridge pile foundation by combining bridge underpinning with shield construction
01/05/2011CN101936010A Construction method of dewatering well in underground concrete structure
01/05/2011CN101936009A Deepwater single-wall steel overhead bin cofferdam and construction method thereof
01/05/2011CN101936001A Drainage component with isolation reinforcer
01/05/2011CN101565963B Discharge structure of underground factory
01/05/2011CN101487266B Earth-steel combined cofferdam construction method for underwater pile cap of bridge
01/04/2011US7861470 Self centering shaft wall system
12/2010
12/30/2010US20100325973 building method and buildings
12/29/2010CN201686997U Drainage device
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