Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02D - Foundations; Excavations; Embankments; Underground or underwater structures › E02D 19 - Keeping dry foundation sites or other areas in the ground
Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850)
07/2012
07/04/2012CN102011404B Pit supporting structure and construction method thereof
07/04/2012CN101974913B Parallel construction method of bridge deepwater foundation bored pile and cofferdam
07/04/2012CN101949153B Foundation drainage control method
06/2012
06/27/2012CN102518146A Connecting way of cofferdam and bearing platform
06/27/2012CN102518142A Pile and wall combined sealing system and construction method thereof
06/27/2012CN102518141A Deep foundation pit dewatering and decompressing combination well controlled in subsection manner
06/27/2012CN102518140A Locking opening structure of steel cofferdam and construction method for locking opening structure
06/27/2012CN102518135A Foundation pit support construction method combining horizontal rotary jet-grouting soil bolting and bore concrete piles
06/27/2012CN101654911B Suction and delivery water assembly
06/20/2012CN202280065U 一种深基坑局部降排水施工工具 A dark pit partial dewatering and drainage construction tools
06/20/2012CN102505701A Self-compaction mortar and deep hole curtain pouring construction method
06/13/2012CN202273240U 一种用于深水桥梁基础施工的轻型单壁钢吊箱围堰 Lightweight single wall steel box cofferdam for deepwater bridge foundation construction
06/13/2012CN202273239U 一种混凝土沉箱封水堵漏气囊 Water seal for concrete caisson plugging airbags
06/13/2012CN202273233U 一种立体车库深基坑 A stereoscopic deep pit garage
06/13/2012CN102493496A Capillary blockage cover layer structure with lateral drainage capacity
06/13/2012CN102493472A Deepwater soft soil foundation reverse construction method low pile cap composite foundation construction process for bridge
06/13/2012CN102493468A Design method for construction cofferdam of bridge deepwater soft soil foundation
06/13/2012CN102493467A Construction method for using three-dimensional composite drainage mesh for diverting seepage of tailings stacked dam
06/13/2012CN102493438A Continuous multi-shaft cement mixing pile device and construction method
06/13/2012CN102493411A Drainage and irrigation pipe
06/06/2012CN202265830U Sleeve secant pile water fetching bucket
06/06/2012CN102486030A Retaining wall or sloping field deep-layer water diversion structure
05/2012
05/31/2012US20120131863 Water drainage device
05/30/2012CN202248211U Oblique cutting well
05/30/2012CN202247923U Water guide device for preventing water from seeping into bottom plate of basement
05/30/2012CN202247922U Water lowering and discharging device for water collecting well in blind ditch with deep base pit
05/30/2012CN202247921U Precast dewatering well
05/30/2012CN202247920U Construction structure for water drainage of blind ditch and water collecting wells in deep foundation pit
05/30/2012CN202247919U Auxiliary device for water drainage of deep foundation pit
05/30/2012CN202247918U Downcast well pipe
05/30/2012CN202247917U Construction structure for dewatering well additionally arranged in water collecting well
05/30/2012CN202247870U Device for penetrating prestressed pipe pile into construction ponding retaining cylinder
05/30/2012CN102477735A 矩形桥墩围堰用钢管桩 Rectangular steel pipe pile cofferdam pier
05/30/2012CN101892632B Construction method of structural system of river under no-cutoff working condition
05/30/2012CN101838994B Construction method of steel sheet pile cofferdam for integral type steel purlin
05/30/2012CN101476336B Deep imbedded underground water-permeable passage plugging method
05/29/2012US8186127 Basement water drainage method for use with a foundation having no footing
05/29/2012CA2472173C Studded membrane with drainage
05/23/2012CN202227358U Artesian water drainage pipe for side slope
05/23/2012CN202227357U Water-reducing tube well structure
05/23/2012CN202227356U Quickly-constructed environment-friendly steel plate cofferdam
05/23/2012CN102465536A 防渗墙槽段气举法清孔施工工艺 Impervious wall tank construction technology law section of the gas lift Chiang Khong
05/23/2012CN101962955B Device for controlling engineering precipitation
05/16/2012CN102454167A Construction method for large ultra-deep well
05/15/2012US8176609 Magnetic cylinder head washer removal tool
05/10/2012US20120114428 Anchoring systems for mines
05/09/2012CN202214725U Cement-soil jet grouting pile tube device for constructing cellar isolating structure
05/09/2012CN102444137A Construction method of vacuum pre-pressed mortar enclosing wall
05/09/2012CN102444136A Water prevention construction method for excavation of deep foundation pit in water-rich sand stone layer
05/09/2012CN102444135A Combined mixed-discharge technology for mining barren rock soil and solidified tailings
05/09/2012CN101781894B Steel pipe pile locking notch structure and water-stopping method of steel pipe pile cofferdam
05/03/2012US20120102851 Apparatus and Method for Waterproofing a Basement
05/02/2012CN202208932U Well shutting sleeve of dewatering well
05/02/2012CN102433888A Assembled steel bushing box
05/02/2012CN102433887A Construction method of sand replacement mixing pile impervious wall
05/02/2012CN102433886A Construction method for adding water lowering well in water collecting well
05/02/2012CN102433869A Rectangular mixing pile drilling rig
04/2012
04/25/2012CN202202335U 深基坑内引流排水结构 Drainage structures within the deep foundation pit drainage
04/25/2012CN202202334U 设于工程主体结构下的防渗帷幕 Under the project located in the main structure of seepage curtain
04/25/2012CN202202333U 沉箱式分流器 Caisson shunts
04/25/2012CN102425200A 防渗止水墙成槽机及其施工方法 Impermeable sealing wall into the slot machine and its construction method
04/25/2012CN102425183A Sludge suction method capable of accelerating sinking speed of steel cofferdam assembly
04/25/2012CN102425182A Annular negative pressure foundation cofferdam and construction method thereof
04/25/2012CN102425156A 变截面地下连续墙及其施工方法 Variable Diaphragm and construction method
04/18/2012CN202194686U Well-point dewatering device at bottom of tunnel
04/18/2012CN202194149U 一种止水帷幕 One kind of sealing curtain
04/18/2012CN202194148U 一种止水帷幕 One kind of sealing curtain
04/18/2012CN102418347A Drainage construction method for blind drain and sump wells in deep foundation pit
04/18/2012CN102116033B 深基坑盲沟集水井降排水方法及装置 Deep down sump pit drainage ditch blind method and apparatus
04/18/2012CN101838993B 黄河河道内承台施工用钢板桩围堰施工工艺 Yellow River within the cofferdam construction technology used for the construction of steel sheet pile caps
04/11/2012CN202187584U Vertical cutoff wall structure in machine room
04/11/2012CN202187361U 渠坡防渗排水管逆止器 Drainage canal seepage slope backstop
04/11/2012CN202187360U 一种井点定位抽水管井 A well point positioning pumping tubewell
04/11/2012CN202187354U 一种预应力钢筋混凝土支护墙 Prestressed concrete parapet support
04/11/2012CN202187329U 新型高密度聚乙烯排水保护板 New high-density polyethylene drainage protection board
04/11/2012CN102409748A 斜插井及施工方法 Slant wells and construction methods
04/11/2012CN102409692A 考古发掘现场防渗保护方法 Archaeological excavation site seepage protection methods
04/11/2012CN102409691A 地下连续墙墙体开口处预埋冻结管的冻结法止水装置 Underground continuous wall at the opening of the sealing device embedded freezing method of freezing pipes
04/11/2012CN102409690A 多台连续千斤顶同步下放无底双壁钢套箱围堰的施工工艺 Multiple jack sync decentralized continuous construction process bottomless Stirrup Cofferdam
04/11/2012CN102409689A 利用气囊实现双壁钢围堰平转下河的方法 Use double-wall steel cofferdam achieve airbags pan method Xiahe
04/11/2012CN102409688A Construction method of steel plate pile cofferdam
04/04/2012CN202181554U 建筑基础施工中局部加深区域地下水处理装置 Foundation construction building local deepen regional groundwater treatment device
04/04/2012CN202181552U 降水井护壁 Well precipitation Wall
04/04/2012CN202181548U 一种电渗井点 An electrical Seepage Wells
04/04/2012CN102400713A 一种用于联络通道隧内降水辅助施工的方法 A method of precipitation within the auxiliary contact channel tunnel construction for
04/04/2012CN102400467A 高压射水辅助插打钢板桩围堰施工方法 High pressure water jet assisted punched steel sheet pile cofferdam construction method
03/2012
03/28/2012CN202175962U 降水井封堵系统 Precipitation well plugging system
03/28/2012CN102392461A Method for detecting hidden leakage point on waterproof curtain of foundation pit
03/28/2012CN102392458A Piling beam cofferdam construction method used for bare rock foundation construction in water
03/21/2012CN102383437A Well point positioned pumping tubular well and well point positioned pumping method
03/21/2012CN102383436A Accurate positioning construction method of double-wall steel cofferdam
03/21/2012CN102383412A Construction method by adopting dewatering and water recharging to control sedimentation surrounding deep foundation pit
03/15/2012US20120060433 Waterproofing system for a basement or similar structure
03/14/2012CN202164592U 单侧透水管 Unilateral water pipe
03/07/2012CN202157440U 一种用于预防下沉和预防裂缝漏水的沉降池结构 Sedimentation pond structure for prevention and prevention of cracks leaking sink
03/07/2012CN202157331U 一种改进型单侧降水管 An improved unilateral precipitation tube
03/07/2012CN202157330U 一种围堰转向马口及围堰定位系统 One kind of steering horses mouth and cofferdam cofferdam positioning system
03/07/2012CN102367668A Device for getting water from pile holes on construction site
03/07/2012CN101936009B Deepwater single-wall steel overhead bin cofferdam and construction method thereof
02/2012
02/29/2012CN102363961A Deepwater single-wall steel plate pile cofferdam structure with low buried depth and construction method thereof
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