| Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850) |
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| 09/28/2011 | CN102199923A Bottom water drainage system of open type underwater concrete detection device |
| 09/28/2011 | CN101748742B Dual-plugging construction method of concrete and flange for depressurization well |
| 09/21/2011 | CN201981545U 止水帷幕注浆修复的注浆孔结构 Sealing curtain grouting grouting hole structure repair |
| 09/21/2011 | CN201981543U 无锁扣钢管桩基坑支护止水围堰结构 No lock steel pipe pile foundation pit support sealing cofferdam structure |
| 09/21/2011 | CN201981531U 收缩密接复合汇流管 Contraction adhesion complex manifold |
| 09/21/2011 | CN102191792A Low-cost water preparation system for construction of hydraulic and hydro-power engineering |
| 09/21/2011 | CN102191777A Steel sheet pile coefferdam structure and topdown construction method thereof |
| 09/21/2011 | CN101906781B Hooping type steel sheet pile cofferdam platform and integrated construction method depending on cofferdam platform |
| 09/21/2011 | CN101793033B Precipitation closure device |
| 09/21/2011 | CN101775807B Structure for supporting deep foundation pit of soft soil foundation |
| 09/15/2011 | WO2011072783A3 Tool for thin diaphragms |
| 09/14/2011 | CN201972161U 一种陆域堆场堆取料机基础结构 One kind of land yard stacker reclaimer Infrastructure |
| 09/14/2011 | CN201972159U 双壁钢围堰的下放系统 Double-wall steel cofferdam decentralized system |
| 09/14/2011 | CN201972155U 一种钢板桩逆作法基坑支护结构 One kind of steel sheet pile excavation structure Reversed |
| 09/14/2011 | CN201972147U 一种用于道路软基处理的排水预制桩 A road drainage precast piles of soft foundation treatment |
| 09/14/2011 | CN102182208A Underground water guiding and draining system under impermeable membrane of industrial waste residue storage yard |
| 09/14/2011 | CN102182200A Draining prevention coiled material with ribbing hair |
| 09/14/2011 | CN102182199A Construction method of high-pressure swing grouting water-stop curtain |
| 09/14/2011 | CN102182198A Drainage laying method of pulp pipeline in seasonal wetland swamp region |
| 09/14/2011 | CN102182194A Method and structure for embankment slope film-laying of phosphogypsum slag yard |
| 09/14/2011 | CN102182192A Rear transverse septum type building foundation pit enclosure structure and construction method |
| 09/14/2011 | CN102182149A Method for entering river of parallel edges-free cofferdam with air bags |
| 09/08/2011 | US20110214363 Wood post anchoring base |
| 09/07/2011 | CN201962687U 双面凸台蓄排水板 Duplex boss build drainage board |
| 09/07/2011 | CN201962686U 一种真空喷射立式降水装置 A vacuum jet vertical precipitation device |
| 09/07/2011 | CN102174818A Controlled impermeable leaking stoppage grout-extruding water-stopping technology of strong water permeable stratum of quaternary system |
| 08/31/2011 | CN201952806U 一种轻型井点降水施工装置 Construction of a light well point dewatering device |
| 08/31/2011 | CN201952805U Urban riverway cofferdam structure |
| 08/31/2011 | CN201952804U 矩形桥墩围堰用钢管桩 Rectangular steel pipe pile cofferdam pier |
| 08/31/2011 | CN102168442A Impact mass-drilling trenching machine |
| 08/31/2011 | CN101914897B Construction method of single main cable inclined-suspender earth anchored suspension bridge |
| 08/31/2011 | CN101851929B Multi-stage light well point dewatering construction process for Yellow River flood plain bearing platform construction |
| 08/31/2011 | CN101818500B Underwater plugging and water sealing method for bottom plate of concrete pouring jacket without back cover |
| 08/31/2011 | CN101812846B Drainage structure of upstream wall of shore type hydropower station workshop and construction method thereof |
| 08/30/2011 | US8007205 Foundation wall vapor barrier system |
| 08/30/2011 | US8006355 Lawn crypt covering system and method |
| 08/24/2011 | CN201943078U Unmanned dewatering pump for tube well |
| 08/24/2011 | CN201943077U Ct式锁口钢管桩止水帷幕 Ct-type locking Steel Pile Cofferdam |
| 08/24/2011 | CN201943064U 一种排水管桩 One kind of drain pile |
| 08/24/2011 | CN201943063U 一种锁口式钢板桩围堰的锁口装置 Locking device for locking-type steel sheet pile cofferdam |
| 08/24/2011 | CN102162253A Precipitation construction method employing pipe embedding in deep foundation pits |
| 08/24/2011 | CN102162250A Protective construction method of excavating large area deep foundation pit in running sand confined water soil layer |
| 08/24/2011 | CN101886396B Construction method for special-shaped steel cofferdam |
| 08/24/2011 | CN101793024B Construction method for multi-head small-diameter deep mixing and high-pressure jet combined anti-seepage wall of foundation pit |
| 08/17/2011 | CN201933503U 工业废渣堆场防渗膜下的地下水导排系统 Groundwater discharge guide system of industrial waste yard under impermeable membrane |
| 08/17/2011 | CN201933502U 用于抢修防汛墙的临时挡水围堰 Repair flood wall for retaining temporary cofferdam |
| 08/10/2011 | CN201924368U 一种挡板护栏结构 Is a fence fence construction |
| 08/10/2011 | CN201924367U 磷石膏堆场的山坡渗水隔离系统 Phosphogypsum yard hillside seepage isolation system |
| 08/10/2011 | CN201924365U 一种钢板桩管桩组合基坑支护结构 One kind of a combination of steel sheet pile pile foundation pit structure |
| 08/10/2011 | CN102146681A New subaqueous tunnel or pipeline digging method |
| 08/10/2011 | CN101892670B Multifunctional cofferdam of steel sheet piles and concrete arch rings construction method thereof |
| 08/03/2011 | CN201915417U 夹砂玻璃钢整体井室 Fiberglass Reinforced Plastic overall well chamber |
| 08/03/2011 | CN201915416U 桥式滤水管 Bridge filter pipe |
| 08/03/2011 | CN201915415U 一种适用于桥梁主墩承台的钢板桩围堰 One for Main Pier bridge steel sheet pile cofferdam |
| 08/03/2011 | CN201915414U 一种拼装式钢箱围堰 One kind of assembled steel box cofferdam |
| 08/03/2011 | CN201915388U 双h形与z形组合钢板桩 Double h with z-shaped steel sheet pile combination |
| 08/03/2011 | CN201915367U Tunnel plug type cofferdam structure |
| 08/03/2011 | CN102140801A Cofferdam construction method in construction of deepwater pier bearing platform |
| 08/02/2011 | US7987640 Foundation for a wind turbine |
| 07/28/2011 | DE102010005215A1 Method and device, useful for preventing contaminated groundwater inflows into running water and other areas, comprise arranging drainage system to collect contaminated groundwater and piping system for discharging contaminated groundwater |
| 07/28/2011 | CA2709602A1 Method and product for absorbing and consolidating nuisance water or slurry accumulations |
| 07/27/2011 | CN102134853A CT sealed steel pipe pile foundation pit water stop supporting device and construction method thereof |
| 07/27/2011 | CN101806066B Method for molding vertical wall of deep foundation pit |
| 07/27/2011 | CN101736720B Bottom sealing method for intestinal bag concrete, plastic clay and conventional concrete in steel cofferdam |
| 07/20/2011 | CN201901878U Extrusion drainage device |
| 07/20/2011 | CN201901877U Cofferdam structure with inlet door and outlet door |
| 07/20/2011 | CN101818496B Inversely-constructed underground continuous wall with siamesed reinforcing cage |
| 07/20/2011 | CN101775809B Construction method of marine self-floating type steel soleplate single-wall suspension box cofferdam and single-wall suspension box cofferdam |
| 07/20/2011 | CN101705691B Construction method of dewatering well under foundation slab in foundation pit |
| 07/20/2011 | CN101634148B Soil nailing wall foundation pit support and construction method |
| 07/13/2011 | CN201896316U System for reducing and draining confined water in deep foundation pit of rock foundation |
| 07/13/2011 | CN201896315U Cofferdam and locking device for same |
| 07/13/2011 | CN102121251A Construction method for pouring main tower pier foundation of bridge on deep-water oblique river bed |
| 07/07/2011 | WO2011079468A1 Method for protecting roadbeds in frozen soil area and pavement structure |
| 07/06/2011 | CN201891124U Device for plugging spring opening in drilling process |
| 07/06/2011 | CN201891123U Single-wall steel hanging box with concrete bottom plate |
| 07/06/2011 | CN201891081U Steel hanging box concrete bottom plate used in boxed cofferdam construction |
| 07/06/2011 | CN102116033A Method and device for dewatering and draining water collecting well of blind drain of deep foundation pit |
| 07/06/2011 | CN102116032A Method for closing bottom of steel boxed cofferdam and gaps among river beds |
| 06/29/2011 | EP2217439B1 Self healing salt water barrier |
| 06/29/2011 | CN201883444U Double-wall steel cofferdam for underwater low pile cap |
| 06/29/2011 | CN201883425U U-shaped and round tubular combined steel sheet pile based on round tubular pile |
| 06/29/2011 | CN201883424U Zigzag and round tubular combined steel sheet pile based on round tubular pile |
| 06/29/2011 | CN201883423U Double H-shaped and zigzag combined steel sheet pile with round tubular locking notch |
| 06/29/2011 | CN101768958B Method for determining mine single-row curtain-grouting hole distance |
| 06/23/2011 | WO2011072783A2 Tool for thin diaphragms |
| 06/23/2011 | CA2784451A1 Tool for thin diaphragms |
| 06/22/2011 | CN102102368A Rotating hanging arm device for steel hanging box of underwater bearing platform |
| 06/22/2011 | CN101603315B Method for constructing seepage prevention system of secondary cofferdam for immersed tube tunnel |
| 06/15/2011 | CN201865051U Steel suspension box |
| 06/15/2011 | CN102094438A Four-wheel double-suction groover |
| 06/15/2011 | CN102094429A Lowering control method of double-wall steel cofferdam |
| 06/15/2011 | CN102094428A Method for reducing thickness of subsealing concrete of steel cofferdam and preventing seepage |
| 06/15/2011 | CN102094426A New grooving process for underground continuous wall by overlapping construction of existing underground continuous wall |
| 06/15/2011 | CN102094425A Foundation pit construction method adopting shallow buried depth Larsen steel plate pile as protective cofferdam |
| 06/08/2011 | CN201857617U Seepage-proofing structure and waterproof structure for hydraulic architecture foundation |
| 06/08/2011 | CN201857616U Corner structure of steel sheet pile cofferdam |
| 06/08/2011 | CN101614017B Construction method of deep water earth-rock cofferdam structure |
| 06/08/2011 | CN101538833B Vertical subsection double-wall steel cofferdam water stopping construction method |
| 06/01/2011 | CN201850555U Steel hoisting box-hoisting and locating structure |