| Patents for E21D 11 - Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling (7,167) |
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| 07/11/2012 | CN101598032B Goaf grouting method for constructing extra-high voltage poles and towers |
| 07/09/2012 | DE202011004948U1 Gitterträger für einen Gitterträgerausbaurahmen Girder is a girder is expanding frame |
| 07/04/2012 | EP2472057A2 Formwork for concreting the inner lining of tunnels |
| 07/04/2012 | CN202300445U 超浅埋下穿公路长管棚隧道支护结构 Wear long tube road tunnel support structure under the Super Shallow |
| 07/04/2012 | CN202300428U Trolley for installing tunnel waterproof plate |
| 07/04/2012 | CN202300427U 一种隧道保温防震门 A tunneling gate insulation Earthquake |
| 07/04/2012 | CN202300426U 用于隧道二次衬砌钢筋绑扎精确定位的台车 Secondary Lining steel banding for accurate positioning of the trolley |
| 07/04/2012 | CN202300425U Grouting device for lining trolley |
| 07/04/2012 | CN202300424U 一种用于地下工程浅埋暗挖法的预支护装置 An advance guard apparatus for underground works Shallow Mining Law |
| 07/04/2012 | CN202300423U 可旋转喷浆机料仓装置 Shotcrete machine hopper means rotatable |
| 07/04/2012 | CN202300422U 水工隧洞开敞式tbm全断面同步衬砌台车 Hydraulic Tunnel open-tbm whole section synchronous lining trolley |
| 07/04/2012 | CN202300421U 一种带喷浆机械手和控除尘功能的扒渣机 A tape spraying robots and control functions slag removal machine |
| 07/04/2012 | CN202300420U 一种带喷浆机械手的扒渣机 Cinder machine a robot with shotcrete |
| 07/04/2012 | CN202300419U 超浅埋下穿铁路长管棚隧道支护结构 Wear long tube railway tunnel support structure under Super Shallow |
| 07/04/2012 | CN202300409U 隧道开挖设备 Tunneling Equipment |
| 07/04/2012 | CN202299440U 可减小喷射混凝土脉冲的缓冲装置 Buffer device can be reduced pulse shotcrete |
| 07/04/2012 | CN202299439U 混凝土喷射机转子机构 Concrete jet rotor mechanism |
| 07/04/2012 | CN202298672U 拉滚式膨润土防水毯铺垫装置 Pull roll-GCL foreshadowing device |
| 07/04/2012 | CN202298668U 工字型多层防水橡胶止水带 I-shaped multi-layer waterproof rubber water stop |
| 07/04/2012 | CN202298488U 一种桥涵、隧道内支撑结构 An bridges and culverts, the support structure inside the tunnel |
| 07/04/2012 | CN102536272A Duct piece carrying device for shield machine |
| 07/04/2012 | CN102536271A Anti-deformation anti-seepage processing method and process for ground surface of mining zone |
| 07/04/2012 | CN102536270A Tunnel seepage protection method for soft soil stratum by existing shield method |
| 07/04/2012 | CN102536269A Underground grouting and water-plugging process |
| 07/04/2012 | CN102536268A Buried type high-pressure water channel or tunnel seepage-resistant lining structure |
| 07/04/2012 | CN102536267A Method for performing large-gradient deviated well construction by using full-section needle beam trolley and needle beam trolley |
| 07/04/2012 | CN102536266A Method for supporting top side of artificial tunnel |
| 07/04/2012 | CN102536265A Shield tunneling prestress lining construction method and used prestressed pipe pieces |
| 07/04/2012 | CN102536264A Hydraulic drive mine-car material taking device |
| 07/04/2012 | CN102536263A Rotary folding-type wet sprayer arm frame |
| 07/04/2012 | CN102536262A Prefabricated power tunnel and mounting method thereof |
| 07/04/2012 | CN102536261A Retractable emergency car avoidance belt tunnel lining trolley |
| 07/04/2012 | CN102536260A Composite cavity component |
| 07/04/2012 | CN102536253A Construction method of earth cabin back filling and cabin entering operation during earth pressure shielding |
| 07/04/2012 | CN102536252A Method for digging backward hole of tunnel with quite small clear distance |
| 07/04/2012 | CN102536250A Construction method for tunnels with karst and gas simultaneously |
| 07/04/2012 | CN102536128A Pipe-roof drilling rig with synchronous-traversing rotary table |
| 07/04/2012 | CN102146800B Jet manipulator |
| 07/04/2012 | CN101985882B Construction method of rigid primary support of mould-building concrete of plateau permafrost tunnel |
| 07/04/2012 | CN101929344B Method for mounting medium-deep buried water stop of tunnel archwall lining concrete toroidal construction joint |
| 07/04/2012 | CN101929341B Construction method for TBM synchronization lining |
| 07/04/2012 | CN101915105B United method for tunneling super-strong or strong rock burst hole section of TBM construction tunnel |
| 07/04/2012 | CN101672197B Processing method for high-pressure water-enriched filling karst cavity |
| 07/04/2012 | CN101654356B Shield method tunnel synchronous grouting slurry applied to compound stratum with upper soft part and lower hard part |
| 07/04/2012 | CN101648785B Alkali-free liquid setting accelerator |
| 06/28/2012 | WO2012086904A1 Method and related devices for carrying out tbm excavation and expansion blasting using a blast protector and a cart |
| 06/28/2012 | WO2011069481A3 Tubbing works with integrated adjusting element |
| 06/28/2012 | WO2011069480A3 Tubbing works having an integrated flexible element |
| 06/27/2012 | EP2235301B1 Chain link woven mesh with double knot |
| 06/27/2012 | CN202284333U 多层次耐老化沥青防水卷材 Multi-level anti-aging bitumen membrane |
| 06/27/2012 | CN102518458A Structure of top beam part of underground bus stop and construction method thereof |
| 06/27/2012 | CN102518455A Pipe sheet conveyer |
| 06/27/2012 | CN102518454A Grating device for underground excavation engineering and manufacture method |
| 06/27/2012 | CN102518453A Quick tunnel-entrance construction method for bias-pressure shallow-buried or single-pressure tilting arenaceous loess tunnels |
| 06/27/2012 | CN102518452A Rapid and safe arch supporting method in process of passing through top-coal caving region |
| 06/27/2012 | CN102518451A Construction method of shotcrete support for water contained loess geological tunnel |
| 06/27/2012 | CN102518450A Method for grouting ordinary cement rather than ultra-fine cement when reinforcing stratum by adopting shallow excavation method |
| 06/27/2012 | CN102518449A Tunnel boring machine (TBM) synchronous lining trolley for overlaying inner cambered surface inverted-arch precast block tunnel and hole |
| 06/27/2012 | CN102518443A New special combined construction method for ultra-shallow earth covered special-shaped passage |
| 06/27/2012 | CN102518440A Tunnel digging equipment |
| 06/27/2012 | CN102518439A Method for constructing tunnel with uncovered hole section in middle |
| 06/27/2012 | CN101936170B Cavern arch mould spraying concrete construction structure and process |
| 06/21/2012 | WO2011069483A3 Tubbing works with a front-sided peripheral annular seal |
| 06/20/2012 | EP1723309B1 Seal arrangement |
| 06/20/2012 | CN202280463U Universal lining trolley for tunnel construction |
| 06/20/2012 | CN202280462U 大直径盾构隧道扩挖建造地铁车站用管片 Large diameter shield tunnel excavation to build the subway station expansion tube sheet |
| 06/20/2012 | CN102505949A Support method for coal seam roadway to cross gob |
| 06/20/2012 | CN102505947A Construction method for butt-jointing and sealing waterproof rolls |
| 06/20/2012 | CN102505946A Closed metal support structure and construction method thereof |
| 06/20/2012 | CN102505853A Injection machine and mechanical arm, injection control method and injection control device thereof |
| 06/20/2012 | CN102503346A Cement-based penetrable crystallized waterproof paint, preparation method and construction method thereof |
| 06/20/2012 | CN101845956B Combined steel formwork of curved tunnel concrete liner |
| 06/20/2012 | CN101360885B Rondelle unit and method of mounting the same |
| 06/14/2012 | WO2011069482A3 Underground support with a flexible coupling |
| 06/13/2012 | CN202273690U 一种遥控操作的翻片机 Turning a remotely operated machine |
| 06/13/2012 | CN202273689U Pave hanging device for tunnel waterproof plate |
| 06/13/2012 | CN202273688U 地下通廊临时封堵构造 Underground Gallery temporary closure structure |
| 06/13/2012 | CN102494092A Hydraulic tunnel lining trolley travelling chain regulating device |
| 06/13/2012 | CN102493822A Method for performing curtain grouting construction on tunnel by water rich fault influence zone |
| 06/13/2012 | CN102493821A Support method for high stress roadway coal-rock mass |
| 06/13/2012 | CN102493820A Guniting pneumatic feeding device |
| 06/13/2012 | CN102493819A Method for controlling stability of surrounding rocks of laneway in coal seam |
| 06/13/2012 | CN102493818A Rigid and flexible double protection structure for high and narrow dissolved cavern |
| 06/13/2012 | CN102493559A Method for connecting rubber waterstops |
| 06/13/2012 | CN102492287A Preparation method of environment-friendly hydrophobic polyurethane grouting material |
| 06/13/2012 | CN101899984B Elastic longitudinal joint device used for shield tunnel segments in swelling soil areas |
| 06/13/2012 | CN101696634B Six-degree-of-freedom shield segment assembling machine |
| 06/13/2012 | CN101603428B Steel die of a concrete lining pipe piece with double round tunnels |
| 06/12/2012 | CA2556370C Advance of pipe elements in the ground |
| 06/07/2012 | US20120141210 Method and apparatus for repairing the wall of a manhole |
| 06/06/2012 | CN202266276U Arm support for concrete spraying machine |
| 06/06/2012 | CN202266275U 长寿命低成本转子式混凝土湿喷机 Long-life low-cost rotor Concrete wet spraying machine |
| 06/06/2012 | CN202266035U 转子式混凝土喷射机 Rotor concrete jet |
| 06/06/2012 | CN101839141B Emergency subaqueous tunnel flood-prevention construction method for subaqueous tunnels |
| 05/30/2012 | CN202250110U Buried waterstop fixing device in secondary tunnel liner |
| 05/30/2012 | CN202250109U Back-stuck drainage water stop |
| 05/30/2012 | CN202250108U Base surface processing device for geo-textile fabric spreading machine |
| 05/30/2012 | CN202250107U Tunneling anti-freezing structure in seasonally frozen ground district |
| 05/30/2012 | CN202250106U Split pumping type wet concrete spraying machine |
| 05/30/2012 | CN202250105U Integral hydraulic steel formwork trolley |