| Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850) |
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| 03/26/2014 | CN103669375A Double-layer steel sheet pile soil core composite cofferdam structure without inner support and application thereof |
| 03/26/2014 | CN103669334A Quick drainage tubular pile |
| 03/26/2014 | CN103669333A Slide-resistant pile facilitating vacuum rainfall |
| 03/26/2014 | CN102535488B Waterproof construction method for bottom plate of high-water-level basement |
| 03/19/2014 | EP2708658A1 Batch-installation-type large-caliber underwater casing installation structure using sheet pile and method for constructing same |
| 03/19/2014 | CN203487504U Landscape hydraulic drop structure with function of improving water quality of seasonal stream |
| 03/19/2014 | CN103643690A Deep-foundation-pit exploration-hole water-gushing processing method |
| 03/19/2014 | CN103643689A Pipe type underground water drainage blind ditch and construction technology and application thereof |
| 03/19/2014 | CN103643688A Filled earth-free steel sheet pile cofferdam for construction of high-rise pile cap in shallow water area |
| 03/19/2014 | CN103643682A Pre-stressed hollow pipe pile foundation pit support structure and construction method |
| 03/19/2014 | CN102383436B Accurate positioning construction method of double-wall steel cofferdam |
| 03/13/2014 | US20140069503 Method and apparatus for improved trench box de-watering |
| 03/12/2014 | CN203475486U Basement producing no water buoyancy |
| 03/12/2014 | CN203475454U Water drainage core board |
| 03/12/2014 | CN203475453U Deeply-buried type bearing platform curtain structure of bridge |
| 03/12/2014 | CN203475452U Grouting device capable of preventing stone from falling into hole |
| 03/12/2014 | CN203475451U Filter drainage net |
| 03/12/2014 | CN103629097A Automatic maintenance control system for foundation pit tube well dewatering |
| 03/12/2014 | CN103628882A Construction method of enclosure structure of working well |
| 03/12/2014 | CN103628492A Novel oblique drainage hole and implementation method thereof |
| 03/12/2014 | CN103628491A Deep foundation pit pre-drop confined water construction device and method |
| 03/12/2014 | CN103628490A Underground water level precision adjustment system on earthen archaeological site |
| 03/05/2014 | CN203462758U Symmetrical tie bar device for building construction |
| 03/05/2014 | CN203462480U Device for lowering underground water level by using home-made small tube wells |
| 03/05/2014 | CN203462479U Cofferdam structure |
| 03/05/2014 | CN103615015A Building foundation reinforcing structure |
| 03/05/2014 | CN103615014A Water-lowering device of soft-soil foundation pit and using method of water-lowering device |
| 03/05/2014 | CN103615010A Construction method of digging and conveying earth of deep foundation pit through current scour |
| 03/05/2014 | CN102535349B Method for building bridge by constructing tie beam and bearing beam underwater through flow cutoff of double-layer enclosing barrier |
| 03/04/2014 | US8661741 Channeled masonry flashing |
| 02/26/2014 | CN203452102U Integral composite reversed filtering layer |
| 02/26/2014 | CN203452062U Groove type reinforcement and drainage composite member |
| 02/26/2014 | CN203452014U Hoop type hoisting support |
| 02/26/2014 | CN103603377A Composite reverse osmosis structure and sinking construction method thereof |
| 02/26/2014 | CN102605795B Waterproof sleeve for repairing concrete surface of water table fluctuation region and application method of waterproof sleeve |
| 02/19/2014 | CN203440826U Protection cover board for sand pipe-free dewatering well |
| 02/19/2014 | CN203440811U V-shaped seal device of Larsen steel plate pile cofferdam |
| 02/19/2014 | CN103590425A Peaty soft soil stratum subway station construction technology |
| 02/19/2014 | CN103590413A Plugging device |
| 02/19/2014 | CN102493472B Deepwater soft soil foundation reverse construction method low pile cap composite foundation construction process for bridge |
| 02/19/2014 | CN102433869B Rectangular mixing pile drilling rig |
| 02/13/2014 | US20140044956 Hydrophilic rubber composition |
| 02/12/2014 | CN203429654U Foundation ditch accumulated water removing device |
| 02/12/2014 | CN203429653U Dewatering well with geotextile steel reinforcement cage |
| 02/12/2014 | CN203429652U Dewatering well construction operating platform |
| 02/12/2014 | CN203429651U Ultra-large type deep foundation pit drainage system applied to littoral facies geological stratification area |
| 02/12/2014 | CN203429650U Waterproof foundation ditch steel sleeve structure |
| 02/12/2014 | CN203429649U Pressure reducing type blocking device of foundation pit dewatering well |
| 02/12/2014 | CN203429648U Large steel cylinder cofferdam structure |
| 02/12/2014 | CN103572768A Cement-mixed pile closed retaining wall foundation structure for tank foundations and treatment method thereof |
| 02/12/2014 | CN103572767A Method for processing drainage blind ditch for1000 kilovolt transformer substation field leveling |
| 02/12/2014 | CN103572764A Watertight structure for retaining wall of ultra-deep manually excavated pile and construction method thereof |
| 02/12/2014 | CN103572679A Embankment structure for reducing generation rate of bump at bridge head and filling method |
| 02/12/2014 | CN102425182B Annular negative pressure foundation cofferdam and construction method thereof |
| 02/09/2014 | CA2820196A1 Method for drainage of water around subterranean structures |
| 02/05/2014 | CN103556646A Method for forming water shutoff walls in sand and gravel layer |
| 02/05/2014 | CN103556645A Method for forming grouting space in sand gravel layer |
| 02/05/2014 | CN103556644A Basement bottom plate dewatering well mouth plugging casing and construction method |
| 01/29/2014 | EP2690222A1 Method and system for freezing a portion of ground |
| 01/29/2014 | CN203411969U Indented water-permeable and gas-permeable permeation tube |
| 01/29/2014 | CN102505701B Self-compaction mortar and deep hole curtain pouring construction method |
| 01/22/2014 | CN203403428U Simple guiding device |
| 01/22/2014 | CN203403417U Sedimentation auxiliary device for steel cofferdam |
| 01/22/2014 | CN103526769A Shoulder-accumulation-slope intelligent drainage system and drainage method |
| 01/22/2014 | CN103526768A Construction method for partitioning strong permeable stratum |
| 01/22/2014 | CN103526767A Dewatering well plugging device and method |
| 01/22/2014 | CN103526766A Method for plugging relief well of deep foundation pit |
| 01/22/2014 | CN103526765A Self-floating steel cofferdam for underwater concrete plane construction |
| 01/22/2014 | CN102561371B Steel caisson enclosure structure at island-tunnel combination part and construction method thereof |
| 01/22/2014 | CN102330434B Throwing material for lightening interception difficulty and protecting dikes of rivers |
| 01/15/2014 | CN203393731U Blocking structure of concrete foundation slab reserved water-collecting well |
| 01/15/2014 | CN203393730U Rapid supporting device for bed sinking of bottomless steel cofferdam |
| 01/15/2014 | CN103510528A Blind trench water discharging structure used for underground structure up-floating prevention |
| 01/15/2014 | CN103510522A Construction method of sludge soil texture deep foundation pit excavation and pumping sand compacted backfilling |
| 01/15/2014 | CN103510487A Landscape hydraulic drop structure with seasonal stream water quality improvement function |
| 01/14/2014 | US8627615 Bracket assembly and forming system for structural foundation footings |
| 01/08/2014 | CN103498478A Curtain grouting construction method for rock dam foundation |
| 01/07/2014 | US8621800 Mortar and debris collection system for masonry cavity walls |
| 01/03/2014 | WO2014001656A2 Automatic flushing device for controlling the operation of a drain trap |
| 01/01/2014 | CN203373761U Novel automatic foundation water draining and drying technical device |
| 01/01/2014 | CN203373760U Water level automatic balanced system of underground water in landfill reservoir area or regulating reservoir |
| 01/01/2014 | CN103485357A Light well point precipitation pipe pore-forming device and method thereof |
| 01/01/2014 | CN103485356A Overwater laying frame and method for filling sand pockets with same |
| 12/25/2013 | CN203361177U Basement waterproof drainage system |
| 12/25/2013 | CN203361176U Vertical rotation connection structure |
| 12/25/2013 | CN203361175U Cofferdam structure with special-shaped knife-edge feet |
| 12/25/2013 | CN203361164U Non-supporting supporting structure of pile-row and clamping-wall type anti-seeping body |
| 12/25/2013 | CN103469817A Existing subway station main structure broadening construction method |
| 12/25/2013 | CN103469799A Excavating method for red mudstone soil elevator foundation pit under underground water level in cold region |
| 12/25/2013 | CN103469798A Pit support structure and construction method thereof |
| 12/25/2013 | CN102518141B Deep foundation pit dewatering and decompressing combination well controlled in subsection manner |
| 12/18/2013 | CN203346896U Bridge cushion cap Lassen pile cofferdam leaking stoppage device |
| 12/18/2013 | CN203346874U Forming device for concrete water stop secant pile preformed groove |
| 12/18/2013 | CN203346871U Steel sheet pile |
| 12/18/2013 | CN103452125A Rock gap water blocking structure and construction method on geologic condition of weathered rocks |
| 12/18/2013 | CN103452124A Method and device for removing accumulated water in foundation pit |
| 12/18/2013 | CN103452118A Foundation pit slope soil-nailing dewatering support construction method |
| 12/18/2013 | CN102444135B Combined mixed-discharge technology for mining barren rock soil and solidified tailings |
| 12/17/2013 | US8609213 Waterproofing Membrane |
| 12/12/2013 | WO2013183991A1 Cover of a pump |