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