| Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850) |
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| 08/28/2013 | CN203160256U Novel open sea deep foundation pit supporting structure |
| 08/28/2013 | CN103266633A Seepage-proof sewage discharging and floodwater draining method for tailing reservoir in wet metallurgy |
| 08/28/2013 | CN103266619A Cofferdam structure |
| 08/28/2013 | CN103266618A Method for anchoring steel cofferdam and steel cofferdam structure |
| 08/28/2013 | CN103266594A Slide-resistant pile |
| 08/28/2013 | CN102322065B Bottom channel inner support of foundation pit supporting structure |
| 08/21/2013 | CN203145030U Water cut-off and drainage system for permafrost tunnel side upward slope and cutting slope |
| 08/21/2013 | CN203145029U Plugging structure for deep foundation pit dewatering well |
| 08/21/2013 | CN203145028U Corrugated pipe water-collecting well |
| 08/21/2013 | CN203145027U Anti-impact structure used for earth-rock cofferdam |
| 08/21/2013 | CN103255775A Method for installing cofferdam |
| 08/21/2013 | CN103255774A Method for assembling cofferdam |
| 08/21/2013 | CN102322068B Pressure reduction dewatering auxiliary trenching construction process |
| 08/14/2013 | CN203129160U Water pressure release device |
| 08/14/2013 | CN203129153U Temporary stiffening and waterproof and drainage system for supporting structure of foundation pit |
| 08/14/2013 | CN103243799A Prevention and treatment method of water scour hazards of binding site of mine solid waste yard and mountain area |
| 08/14/2013 | CN103243728A Water stop and plugging method for punching underground space wall |
| 08/14/2013 | CN103243727A Vertical rotation method for cofferdam |
| 08/14/2013 | CN103243726A Construction method for integrally and downward putting cofferdam ring beams by means of continuous jack method |
| 08/14/2013 | CN103243725A Offshore foundation pit cofferdam construction technology |
| 08/08/2013 | US20130200079 Above ground fluid storage system |
| 08/07/2013 | CN203113361U Deep foundation pit sealing precipitation device |
| 08/07/2013 | CN203113360U Deep foundation pit rigidity drainage platform device |
| 08/07/2013 | CN203113359U Earth rock cofferdam structure |
| 08/07/2013 | CN203113358U Clay sandstone cofferdam structure |
| 08/01/2013 | WO2013113031A1 Hydraulic barrier composition and method of making the same |
| 07/31/2013 | CN203096748U Blind ditch drainage structure below concrete floor |
| 07/31/2013 | CN203096747U Pre-cast reinforcing steel open-web anti-lateral force enclosure pile wall |
| 07/31/2013 | CN203096727U Foundation pit waterproof curtain used for secondary melting repairing of percolation dipping condensation body |
| 07/31/2013 | CN203096721U Novel cofferdam fore shaft steel sheet pile |
| 07/31/2013 | CN203096720U Freezing pipe capable of exhausting |
| 07/31/2013 | CN203096719U Novel freezing pipe |
| 07/31/2013 | CN103225306A Method of preventing foundation pit leakage during excavation of foundation pit close to water source |
| 07/24/2013 | CN203080558U Direct-type high-pressure grout curtain connection structure in thin lining-grouting cave |
| 07/24/2013 | CN203080538U Prefabricated steel plate guide wall |
| 07/24/2013 | CN203080537U High-strength bolt connecting steel cofferdam |
| 07/24/2013 | CN203080536U Foundation pit guard structure |
| 07/24/2013 | CN103215962A Pier stud type pile foundation tie beam steel hanging box cofferdam |
| 07/24/2013 | CN103215961A Construction method of super large diameter tubular pile cofferdam |
| 07/24/2013 | CN103215958A Construction method of dewatering and retaining and protecting of deep foundation pit in expansive-soil area |
| 07/17/2013 | CN203066095U Assembled single-wall steel hanging box |
| 07/17/2013 | CN203066094U Wall blind ditch structure |
| 07/17/2013 | CN203066093U Seepage isolating dewatering tube well |
| 07/17/2013 | CN203066092U Pumping and recharging dual-purpose well casing |
| 07/17/2013 | CN203066091U Monitoring system of foundation pit dewatering and pumping test |
| 07/17/2013 | CN203066090U Assembled bracing structure for steel sheet piling cofferdam construction |
| 07/17/2013 | CN203066089U Cofferdam combined by mold bag sand and steel sheet piles and used for hard strata |
| 07/17/2013 | CN203066059U Steel sheet pile leakage-proof device |
| 07/17/2013 | CN103205978A High-permeability zone under-water-level elevator foundation pit open caisson moulding bed construction method |
| 07/11/2013 | DE102012000240A1 Device for preventing rupture of steep rock slopes in e.g. low mountain area in nature for preventing endangerment of human, has drainage systems spaced from each other, and drainage sections for collecting large amount of precipitates |
| 07/10/2013 | CN203049630U Building foundation slab waterproof system |
| 07/10/2013 | CN203049601U Steel tube filtering type support pile |
| 07/10/2013 | CN203049600U Drainage plate |
| 07/10/2013 | CN203049599U Earth-rock overflow cofferdam flow surface structure |
| 07/10/2013 | CN203049598U Earth-rock overflow cofferdam flow-passing surface energy dissipation structure |
| 07/10/2013 | CN103195072A Algorithm for speculating freezing curtain development situation |
| 07/10/2013 | CN103195071A Riding-pipe steel plate earth core filling coefferdam structure and construction process thereof |
| 07/03/2013 | CN203034469U Vacuum water pumping device processing liquidation of building foundation |
| 07/03/2013 | CN203034468U Novel cofferdam for deep water foundation construction |
| 07/03/2013 | CN203034467U Combined steel pile cofferdam with water-proof fore shafts |
| 07/03/2013 | CN103184747A Method and structure for leakage seepage prevention construction for two-walls-in-one structure of deep-underground engineering |
| 07/03/2013 | CN103184740A Foundation pit drainage closing device |
| 06/26/2013 | CN203022016U Deep hole cleaning and draining device after anti-floating anchor drilling |
| 06/26/2013 | CN203022015U Foundation raft bottom partial deep foundation pit dewatering device |
| 06/26/2013 | CN203022005U Protective structure of tidal flat reclamation district deep foundation pit retaining and protecting structure |
| 06/26/2013 | CN203022004U Foundation pit supporting structure of underground diaphragm wall |
| 06/26/2013 | CN103174154A Underground building bottom plate water burst well pit solid seal method and auxiliary water lowering device |
| 06/19/2013 | CN203007981U Basement bottom plate water-collecting well waterproof structure |
| 06/19/2013 | CN203007964U Frozen soil boundary control system |
| 06/19/2013 | CN203007963U Ultra-high vacuum double-pipe drained well at low-permeability silt clay course |
| 06/19/2013 | CN203007962U Integral temporary water collecting device with filter material |
| 06/19/2013 | CN203007961U Gabion cofferdam structure |
| 06/19/2013 | CN103161173A Shut-in construction method of pumping shaft in basement base plate |
| 06/19/2013 | CN103161172A Elevator shaft bottom precipitation construction method |
| 06/19/2013 | CN103161171A Method for sealing pressure-reduced dewatering well with water pump |
| 06/12/2013 | CN202989939U Vertical drainage well of ash storage yard |
| 06/12/2013 | CN202989938U Pipe extractor for well point pipe |
| 06/12/2013 | CN202989929U Underwater concrete guide pipe bottom sealing device |
| 06/12/2013 | CN202989904U Liquid nitrogen freezer |
| 06/12/2013 | CN103147464A Pressure-releasing structure of basement anti-floating plate and construction method thereof |
| 06/12/2013 | CN103147453A Cutoff and drainage system for permafrost tunnel edge and heading slope and cutting slope and construction method thereof |
| 06/12/2013 | CN103147452A Interlocking reinforced concrete precast member, water sealing wall and construction method |
| 06/12/2013 | CN103147451A Method of forming flow control interface of underground flow media |
| 06/12/2013 | CN103147450A Construction method for plugging partial steel pipe dewatering well by using flange plates for excavation of deep foundation pit |
| 06/12/2013 | CN103147445A Novel open-sea deep foundation pit support structure |
| 06/12/2013 | CN103147442A Ultra-deep foundation pit press-grouting pile and prestressed anchor combined supporting construction method |
| 06/12/2013 | CN102261079B Construction method for foundation pit waterproof curtain |
| 06/05/2013 | CN202970602U Plugging structure of high-rise building deep foundation pit large water volume tube well |
| 06/05/2013 | CN202969342U Concrete anti-seepage wall |
| 06/05/2013 | CN103132536A Drainage technology of geologic chemistry before grouting |
| 06/05/2013 | CN103132535A Frozen earth boundary control system and method for controlling frozen earth boundary |
| 06/05/2013 | CN103132534A Underground construction method of freezing pipe in confined water stratum |
| 06/05/2013 | CN103132533A Cutting-suction hydraulic-fill/filling damming method for ash storage yards in power industry |
| 06/05/2013 | CN103132528A Chemical grouting technology |
| 06/05/2013 | CN103132504A Pre-set water-proof stakes and inserting and pulling construction method thereof |
| 06/05/2013 | CN102061706B Assembly steel box cofferdam and construction method thereof |
| 05/29/2013 | CN202954851U Decompression and drainage device of wall |
| 05/29/2013 | CN202954371U Vertical combined type seepage-proofing waterproof curtain structure |
| 05/22/2013 | CN202945619U Basement wall and baseplate waterproof and drainage structure |
| 05/22/2013 | CN202945611U Underground vertical water retaining curtain wall construction device |