| Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850) |
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| 03/06/2013 | CN102953390A Method for reinforcing cofferdam of hydraulic reclamation construction field in near-water thick-sludge area |
| 03/06/2013 | CN102953362A Bored pile platform built on non-covering steep bare rocks in deep rapids |
| 02/28/2013 | US20130047534 Apparatus and method for diverting water at basement joints |
| 02/27/2013 | CN102943483A Hydraulic type insertion molding machine sliding device |
| 02/27/2013 | CN102943482A Prefabricate abutment pre-tightening type sealing up cofferdam |
| 02/27/2013 | CN102943462A Method for improving horizontal resistance of soil horizon through carrying out piling construction on deep soft soil horizon |
| 02/27/2013 | CN101597904B Waterproof sheet pile cofferdam and construction method thereof |
| 02/20/2013 | CN202745086U Drivepipe device for cotrolling frost heave and thaw collapse |
| 02/20/2013 | CN202745066U Drainage structure for reducing underground water level and water content of slope soil |
| 02/20/2013 | CN202745065U Steel cofferdam sinking guide device |
| 02/20/2013 | CN102936899A Method for installing steel cofferdam by the aid of pier supporting frame |
| 02/19/2013 | US8375664 Flood vent |
| 02/14/2013 | WO2013021333A1 Apparatus and method for channelling groundwater |
| 02/14/2013 | CA2845999A1 Apparatus and method for channelling groundwater |
| 02/13/2013 | CN202730786U Well-sealing waterproof construction structure of dewatering well |
| 02/13/2013 | CN202730785U Anti-floating blind ditch water drainage structure for underground structure |
| 02/13/2013 | CN202730784U Underwater thrusting device used for deviation correction of steel cofferdam |
| 02/13/2013 | CN202730783U Water sealing device between steel cofferdam and concrete |
| 02/13/2013 | CN202730782U Sealing structure of artificial island steel drum cofferdam |
| 02/13/2013 | CN202730770U Track walking mechanism of barge for pipeline sinking basic construction |
| 02/13/2013 | CN202730737U Tamping system for pipeline sinking basic construction |
| 02/13/2013 | CN102926393A Vacuum water pumping device for treating liquefaction of building foundation and construction method |
| 02/13/2013 | CN102926392A Foundation pit dewatering system and construction method thereof |
| 02/13/2013 | CN102926387A Mounting and guiding device and positioning method for underwater circuit purlins of steel sheet pile cofferdam |
| 02/06/2013 | EP2553175A1 Method and assembly for constructing a diaphragm wall |
| 02/06/2013 | CN202718137U Retaining wall capable of hidden sluicing |
| 02/06/2013 | CN202718132U Water-draining structure of plunge pool excavation slope |
| 02/06/2013 | CN102912806A Construction method of precipitation well |
| 02/06/2013 | CN102912797A Foundation pit supporting method with precipitation function |
| 02/06/2013 | CN102912790A Reversed arc-shaped hammer and continuous pore forming construction method of cast-in-place pile |
| 01/30/2013 | CN202706064U Basement and semi-basement waterproof structure |
| 01/30/2013 | CN202706055U Durable underground structure |
| 01/30/2013 | CN202706048U Waterproof type lime-soil compaction pile compound artificial foundation |
| 01/30/2013 | CN202706047U Water retaining structure drainage structure for strong pervious foundation |
| 01/30/2013 | CN202706046U Anti-floating drainage structure for underground structure |
| 01/30/2013 | CN202706045U Circular cofferdam |
| 01/30/2013 | CN202706044U Island building cofferdam construction structure of cushion cap |
| 01/30/2013 | CN202706043U Steel pipe pile cofferdam lock |
| 01/30/2013 | CN202706042U Improved rapid-construction causeway |
| 01/30/2013 | CN202706041U Draining device of underground garage |
| 01/30/2013 | CN102900090A Non-inclined dry-operation open caisson capable of preventing water burst and land subsidence and construction method thereof |
| 01/30/2013 | CN102900089A Combined steel pile cofferdam provided with water swellable waterproof rubber fore shaft |
| 01/30/2013 | CN102900073A Double-liquid grouting mixer |
| 01/30/2013 | CN102146681B New subaqueous tunnel or pipeline digging method |
| 01/24/2013 | US20130019543 Building means |
| 01/23/2013 | CN202689031U Deep foundation pit retaining and protecting retaining wall |
| 01/23/2013 | CN202689016U Cofferdam assembling and lifting platform for double-wall steel cofferdam construction of deep-water bridge pier |
| 01/23/2013 | CN202689015U Double-wall steel cofferdam for high-span prestressed concrete continuous beam deep water pier construction |
| 01/23/2013 | CN202689014U Plastic slope protection and water discharge connecting groove |
| 01/23/2013 | CN202688882U Cofferdam lowering positioning platform for double-wall steel cofferdam construction of deep-water bridge pier |
| 01/23/2013 | CN102888852A System for beach face seepage water draining of closed tailings pond |
| 01/23/2013 | CN102888851A Deep water level plash and construction method thereof |
| 01/17/2013 | US20130017020 Tool for thin diaphragms |
| 01/16/2013 | CN202672169U Rainfall and recharging integrated device for foundation pit engineering |
| 01/16/2013 | CN202672168U Cofferdam combining steel sheet pile and geomembrane bag |
| 01/16/2013 | CN202672167U Steel sheet pile cofferdam structure |
| 01/16/2013 | CN202672166U Double-wall steel jacket cofferdam |
| 01/16/2013 | CN202672165U Grouting water-blocking cofferdam |
| 01/16/2013 | CN202672105U Sandwich-type temporary retaining dam |
| 01/16/2013 | CN202672093U Anchoring type dock wall structure of sheet-pile wall |
| 01/16/2013 | CN102877477A Temporary column structure with function of dewatering well and construction method thereof |
| 01/16/2013 | CN102877476A Positioning and constructing method of steel cofferdam |
| 01/16/2013 | CN102877472A Self-balance alternately-jacking-sinking pile and construction method thereof |
| 01/16/2013 | CN102877420A Construction method of large tube well fixed point precipitation, sealing bottom free concrete and steel sheet pile cofferdam deepwater bearing platform |
| 01/09/2013 | CN202658616U Water draining and guiding device for constructing single-sided wall of foundation pit |
| 01/09/2013 | CN202658615U Unplasticized polyvinyl chloride (UPVC) electroosmosis well point pipe |
| 01/09/2013 | CN202658614U Floating assembling type cofferdam and river bank renovating cofferdam system |
| 01/09/2013 | CN202658613U Ultra-large-diameter tubular pile cofferdam |
| 01/09/2013 | CN202658537U Drainage prevention system for railroad bed in groundwater development slope district |
| 01/09/2013 | CN102864786A Hole deviation control method for drilling in deep hole curtain grouting |
| 01/09/2013 | CN102182194B Method and structure for embankment slope film-laying of phosphogypsum slag yard |
| 01/02/2013 | CN202644575U Pile foundation framework type retaining wall |
| 01/02/2013 | CN202644554U Novel plastic drainage pipeline |
| 01/02/2013 | CN202644553U Deep borehole working device for ultra-deep foundation pit construction in narrow field |
| 01/02/2013 | CN202644552U Light well-point dewatering device for cofferdam foundation pit |
| 01/02/2013 | CN202644551U Steel pipe pile cofferdam structure |
| 01/02/2013 | CN202644550U Cofferdam dyke shoulder breast wall |
| 01/02/2013 | CN202644549U Single-wall steel hanging box cofferdam |
| 01/02/2013 | CN202644548U Double-wall bulkhead type cofferdam |
| 01/02/2013 | CN102852153A Composite geotextile material capillary barrier draining structure and unsaturated loess embankment structure |
| 01/02/2013 | CN102852152A Launching construction method of steel cofferdam suitable for shallow water area |
| 01/02/2013 | CN102852151A Drainage ditch for electric transmission line |
| 01/02/2013 | CN102852094A Construction method for prefabricating composite structure of pier mounting plate pile under open marine environment |
| 12/27/2012 | WO2012176059A1 Method for reinforcing the levees of rivers, lagoons and lakes and controlling seepage therethrough |
| 12/26/2012 | CN202627008U Combined type cutoff wall structure capable of traversing complex strong permeable stratum |
| 12/26/2012 | CN202627007U Plastic concrete secant pile waterstop device |
| 12/26/2012 | CN202627006U Plugging steel sleeve of dewatering well under basement floor |
| 12/26/2012 | CN202626978U Cemented soil secant pile group, diaphragm wall constituted by same and building foundation pit support system constituted by cemented soil secant pile group |
| 12/26/2012 | CN102839682A Method for protecting large well point dewatering road surface during reverse construction |
| 12/26/2012 | CN102839681A Combined steel pipe pile cofferdam used under condition of no cover layer in deep water and construction method thereof |
| 12/26/2012 | CN102839676A Leaking stoppage device and using method thereof |
| 12/26/2012 | CN102839670A Shallow foundation pit freezing enclosure and construction method thereof |
| 12/26/2012 | CN102839611A Novel plastic blind drain |
| 12/26/2012 | CN102838325A Hole sealing grout stop material and grouting hole sealing process |
| 12/25/2012 | US8337121 Process for in-ground water collection |
| 12/19/2012 | CN202611705U Well drilling device and pumping well |
| 12/19/2012 | CN202610821U Structure for preventing water on frozen soil layer from flowing into foundation pit by using refrigerating pipe |
| 12/19/2012 | CN202610820U Structure for preventing water in permafrost from gathering at foundation pit by using water shield boxes |
| 12/19/2012 | CN202610819U Foundation pit drainage system |
| 12/19/2012 | CN202610818U Water dropping structure for foundation pit by pipe sinking of prefabricated concrete pipe |