| 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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| 09/02/2009 | CN101519970A High-speed construction method of tunnel lining concrete |
| 09/02/2009 | CN101519969A Double partition two-arch tunnel |
| 09/02/2009 | CN100535393C Reinforcement protection method for inner surface of tunnel |
| 08/26/2009 | CN201297177Y A shield tunneling duct piece elastic gasket |
| 08/26/2009 | CN201297176Y Fireproof plate affixed by ceramic fiber on surface and used for tunnel |
| 08/26/2009 | CN201296994Y Multifunctional precast arch piece |
| 08/26/2009 | CN101514632A Rotary air flow type concrete dry-conveying and wet-concreting machine |
| 08/26/2009 | CN101514631A Impact air flow type concrete dry-conveying and wet-concreting machine |
| 08/26/2009 | CN100532788C Pre-tensioned tube for shield-driven tunnel |
| 08/26/2009 | CN100532786C Digging method for shallow underground hole |
| 08/19/2009 | EP2090744A1 Conveyor trolley |
| 08/19/2009 | EP2090743A1 Formwork device |
| 08/19/2009 | CN201292852Y Coal mine tunnel structure |
| 08/19/2009 | CN101509395A The roof caving and tunnel protecting method |
| 08/19/2009 | CN101509383A Tunnel footing anchor pouring reinforcement anti bottom expanding method and construction technique |
| 08/19/2009 | CN101507954A Sprayer |
| 08/19/2009 | CN100529330C Combined waterproof method for exit of shield tunnel |
| 08/13/2009 | DE102008014757A1 Tunnel extension for use between tunnels at stable rock mass and unstable rock mass, has heat insulation made of plastic foam, and arranged on seal at tunnel side, where heat insulation and seal are formed together |
| 08/12/2009 | CN201288570Y Wet concrete injector set |
| 08/12/2009 | CN201288569Y Shield tunnel lining segment |
| 08/12/2009 | CN101503961A Use method of underground obstacles blasting in shield-tunneling construction |
| 08/12/2009 | CN100526605C Steel formwork support system for extruded concrete lining method for shielding rectangular tunnel |
| 08/05/2009 | CN201284654Y Arrangement structure for steel form plate trolley and belt conveyer in tunnel construction by drilling explosion method |
| 08/05/2009 | CN201284653Y Arrangement structure for steel form plate trolley and belt conveyer in tunnel construction by TBM method |
| 08/05/2009 | CN201284533Y Waterproof layer penetrated water-tight support hanging apparatus |
| 08/05/2009 | CN101498221A City underground engineering construction safety risk dynamic control method |
| 08/04/2009 | CA2404610C Apparatus for assembling a liner |
| 07/30/2009 | DE102006039037B4 Sondertübbing für den Tunnelausbau Sondertübbing for tunnel construction |
| 07/29/2009 | CN201280936Y Guniting accelerator allocation funnel |
| 07/29/2009 | CN101493013A Combined support device of network frame and concrete and application method in underground engineering |
| 07/29/2009 | CN101493012A Combined support system of flexible film barrel, rigid support and concrete and construction method |
| 07/29/2009 | CN101493011A Soft expansion type wall rock tunnel support method |
| 07/22/2009 | CN201277044Y Slip-casting mouth overpressure protection system used for template trolley |
| 07/22/2009 | CN101487394A External slip-casting pipe type tunnel shielding portal construction method |
| 07/22/2009 | CN101487393A Full-section pre-reinforcing construction method for tunnel free-machining anchor bar |
| 07/22/2009 | CN100516464C Tunnel support structure |
| 07/22/2009 | CN100516463C Functional gradient material interface enhancing technology for shield driven tunnel concrete pipe sheet |
| 07/16/2009 | WO2009086961A1 Chain link woven mesh with double knot |
| 07/16/2009 | WO2009086960A1 Mining mesh with double knot |
| 07/16/2009 | DE202009006707U1 Klemmverbindung für U-förmige Profilsegmente Clamp connection for U-shaped profile segments |
| 07/15/2009 | EP2078135A1 Cement silo structure for mining machine |
| 07/15/2009 | CN100513744C Separated vacuum chuck grasp device on duct piece assembling machine |
| 07/08/2009 | CN101476470A Water-proof drainage house cover process for tunnel |
| 07/08/2009 | CN101476469A Dual-fluid synchronous slip casting and cleaning switching mechanism |
| 07/07/2009 | CA2526854C Method and system for mining hydrocarbon-containing materials |
| 07/01/2009 | CN101469613A Moving hanging power type concrete injection machine |
| 06/30/2009 | CA2297456C Method and apparatus for feeding a tunnel roof support system from the roof shield of a tbm |
| 06/24/2009 | CN101463727A Edge-sealing water-proof method of full-packaging waterproof layer used for tunnel |
| 06/24/2009 | CN101463726A Edge-sealing water-proof method of plastic full-packaging waterproof layer used for tunnel |
| 06/24/2009 | CN100504032C Reinforcing bar cage hoisting process for canal wall construction |
| 06/24/2009 | CN100504031C Reinforcing bar cage hoisting structure for canal wall construction |
| 06/17/2009 | CN201258748Y Large-sized gate trough type steel mould trolley ejection mechanism |
| 06/17/2009 | CN201258747Y Bottom placed continuous conveyor construction tunnel synchronization lining trolley |
| 06/17/2009 | CN201258746Y Overlapping type continuous conveyor construction tunnel synchronization lining trolley |
| 06/17/2009 | CN101457650A Tunnel acoustic board |
| 06/17/2009 | CN101457649A Double upright post lining structure of double-circle shield-tunneling-method tunnel |
| 06/17/2009 | CN101457648A Full-ring steel tunnel segment structure with seal protection door |
| 06/17/2009 | CN100501126C Double layer large diameter single round tunnel gilled tube steel mould with bracket |
| 06/17/2009 | CN100501125C Shield segment splicing machine with six-freedom degree |
| 06/10/2009 | CN201254992Y Whole round steel ring |
| 06/04/2009 | WO2009068380A1 Tunnel backfilling method |
| 06/04/2009 | WO2009051357A3 Block for submarine tunnel |
| 06/03/2009 | CN201250658Y Lifting bolt sleeve for tunnel lining |
| 06/03/2009 | CN101446201A Method for rectifying and selecting tunnel segment |
| 06/03/2009 | CN100494630C Method for quickly constructing water gate wall under high pressure surging water in soft coal tunnel |
| 06/02/2009 | US7542650 Latching trough-coupling system |
| 05/28/2009 | WO2009067286A1 Self healing salt water barrier |
| 05/28/2009 | CA2705548A1 Self healing salt water barrier |
| 05/27/2009 | EP2063070A2 Formwork and method for manufacturing precise concrete parts and pre-fabricated concrete parts |
| 05/27/2009 | EP2061950A1 Sealing sheet |
| 05/27/2009 | CN201246175Y Mining high strength metal expanding net |
| 05/27/2009 | CN201246169Y Tunnel development synchronous lining formwork trolley |
| 05/27/2009 | CN101440708A PBA shallow buried underground excavating close range large section three-hole separated island type structure construction method |
| 05/27/2009 | CN100491661C Position regulating spacer and method of repairing pipe position using the same |
| 05/20/2009 | EP2059638A1 Device for in situ barrier |
| 05/20/2009 | EP2059375A1 Method and device for transporting concrete on rails |
| 05/20/2009 | CN201241713Y Tunnel segment steel mould with super large diameter |
| 05/20/2009 | CN201241712Y Primary support structure of large deformation formation tunnel |
| 05/20/2009 | CN201241707Y Tunnel upward floating model trial apparatus |
| 05/20/2009 | CN101435334A In-and-out hole segment pipe sheet connecting structure of shield method and construction method thereof |
| 05/20/2009 | CN101434476A Sealing plugging material and use thereof in shield break-in and break-out construction |
| 05/20/2009 | CN100489270C Supporting carrier die for filling soft rock laneway |
| 05/20/2009 | CN100489269C Full automatic hydraulic lining trolley |
| 05/13/2009 | CN201236711Y Collapsible trolley template |
| 05/13/2009 | CN101429869A Double-bending tunnel |
| 05/12/2009 | US7530765 Structure of intermediate wall of three arch excavated tunnel and method for constructing the same |
| 05/06/2009 | CN201232555Y Tunnel segment tilter |
| 05/06/2009 | CN201232554Y Novel patching machine |
| 05/06/2009 | CN201232204Y Waterproof material for dividing rack and grouting waterproofing structure thereof |
| 05/06/2009 | CN101424189A Water stopping device and method for process for getting out of starting well and entering receiving well for digging implement and method |
| 05/06/2009 | CN101424188A Hydraulic controller for concrete injection machinery and concrete injection robot |
| 05/06/2009 | CN101424187A Well-digging and pulp spaying charging and discharging mixing station |
| 04/30/2009 | CA2703656A1 Mine support grout bags and grout packs |
| 04/29/2009 | CN201228554Y Tunnel concrete lining formwork apparatus |
| 04/29/2009 | CN201228553Y Tunnel durable lining structure at active fault section |
| 04/29/2009 | CN100482919C Shield tunnel lining segment and preparation method thereof |
| 04/23/2009 | WO2009051357A2 Block for submarine tunnel |
| 04/15/2009 | EP2047064A1 Device for installing a seal in a tunnel |
| 04/15/2009 | CN201221363Y Tunnel inner road low point interlayer perched water collecting reverse-filtering apparatus |
| 04/15/2009 | CN201221362Y Concrete injecting machine agitator |