| 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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| 08/14/2013 | CN103244151A Multifunctional support trolley for tunnel arches |
| 08/14/2013 | CN103244150A Inverted-arch interlocked girder and construction method thereof |
| 08/14/2013 | CN103244149A Construction method for repairing tunnel collapse through insertion pipe grouting |
| 08/14/2013 | CN103244148A Coal mine wet method guniting process |
| 08/14/2013 | CN103244147A Construction method for locking anchor tubes of tunnel anchor-plate retaining steel frames |
| 08/14/2013 | CN103244146A Construction method for steel frame connection in tunnel anchor-plate retaining |
| 08/14/2013 | CN103244145A Pressure resistance and pressure relief bricks for coal mine underground seal wall and construction method of seal wall |
| 08/14/2013 | CN103244144A Special-shaped cross-section shield segment erector |
| 08/14/2013 | CN103244143A Underground engineering tunneling construction method and underground station |
| 08/14/2013 | CN103244142A Device and method for supporting concrete strip of flexible formwork for tunnel laid coal conveying pipeline |
| 08/14/2013 | CN103244141A Super close overlapping roadway reinforcing support method |
| 08/14/2013 | CN103244132A Construction method for crossing houses by aid of shield tunneling machine in sandy soil and slurry injecting system |
| 08/14/2013 | CN103244128A Method for constructing large-section karst tunnels through double sidewall pilot tunnel and reservation core soil methods |
| 08/14/2013 | CN102418534B Split movable mould frame device for tunnel compartment wall, and construction method for split movable mould frame |
| 08/14/2013 | CN102359381B Material distribution machine of tunnel lining trolley and tunnel lining trolley |
| 08/13/2013 | DE202013103386U1 Stahlzargenausbau für einen Bestandteil von unterirdischen Kanalbauten bildende Pionierstollen Stahlzargenausbau for a part of underground canals visual pioneer tunnel |
| 08/07/2013 | CN203114301U Tunnel construction arching frame installation device for excavator |
| 08/07/2013 | CN203114300U External bonding and fixing structure for plastic waterproof plate |
| 08/07/2013 | CN203114299U Long-distance horizontal reinforced construction structure capable of spraying vortically and plugging water |
| 08/07/2013 | CN203114298U Tunnel wet-spraying concrete-spraying template device capable of being rapidly disassembled and assembled and moving |
| 08/07/2013 | CN203114297U Geological engineering experimental device |
| 08/07/2013 | CN203114296U Five-pointed star type floral tube retaining and protecting structure of granite residual soil tunnel |
| 08/07/2013 | CN203113801U Arm support material distributing pipe |
| 08/07/2013 | CN203113739U Fixing support for fixing cylinder sleeve of pulp shooting machine |
| 08/07/2013 | CN203113738U Discharge port of pulp shooting machine |
| 08/07/2013 | CN203113338U Rotary wheel type concrete wet spraying machine |
| 08/07/2013 | CN203113337U Concrete feeding guniting unit and feeding machine thereof |
| 08/07/2013 | CN103233752A Material hoisting device for tunnel boring machine |
| 08/07/2013 | CN103233751A Double-layer anchoring and balancing arch supporting system for coal roadway with extremely-weak top plates |
| 08/07/2013 | CN103233750A Injection mechanism for tidal concrete sprayer |
| 08/07/2013 | CN103233749A Large-span and heavy-load multi-layer open cut tunnel lining structure |
| 08/07/2013 | CN103233748A Anchor mesh cable column combined supporting design method for expanding extra-large span open-off cut brush into lane |
| 08/07/2013 | CN103233742A Treatment measure of bad geological section for long distance pipeline coal conveying |
| 08/07/2013 | CN102383809B Operating method of arm support used for concrete jet and provided with movable rotary strut |
| 08/07/2013 | CN102182253B Manufacturing method of rubber and chemical fiber synthetic waterproof sheet and product thereof |
| 08/07/2013 | CN101975073B Retractable concrete arch and anchor rod combined support system and construction method |
| 07/31/2013 | CN203097912U Tunnel trolley horizontal adjusting device |
| 07/31/2013 | CN203097911U Plastic waterproof plate externally-pasted structure |
| 07/31/2013 | CN203097910U Externally-sticking structure of plastic water-proof board |
| 07/31/2013 | CN203097909U Integrated concrete spraying device |
| 07/31/2013 | CN203097908U Rotor type concrete spraying machine |
| 07/31/2013 | CN203097907U Integrated trolley for constructing ventilation inclined shaft provided with middle partition in integrated pouring mode |
| 07/31/2013 | CN203097906U Pipe piece structure capable of conducting grouting |
| 07/31/2013 | CN203097905U Tunnel secondary lining back arch grouting pipe reserving system |
| 07/31/2013 | CN203097904U Separating type trolley system used for underground excavation of long-span cross section |
| 07/31/2013 | CN203097903U Strip-pressing type mounting system of tunnel wall plates |
| 07/31/2013 | CN203097896U Separated type large-section multi-cavern underpass existing building sedimentation controlling structure |
| 07/31/2013 | CN203097241U Feeding component of pulp shooting machine |
| 07/31/2013 | CN103225513A Integral pouring construction method of ventilation inclined shaft provided with mid-partition and integral trolleys |
| 07/31/2013 | CN103225509A Large mining height fully-mechanized mining stope roof plate classification and supporting resistance determination method |
| 07/31/2013 | CN102556841B Segment lifting appliance for shield machine |
| 07/31/2013 | CN102155241B Karst grouting reinforcement water-stop constructing method |
| 07/31/2013 | CN101668925B Round panel lining |
| 07/25/2013 | WO2013108025A2 Tunnel lining |
| 07/24/2013 | CN203081468U Tunnel waterproof layer laying trolley |
| 07/24/2013 | CN203081467U Pressure tunnel arched plugging structure |
| 07/24/2013 | CN203081466U Integrated moving framework for inverted arch of tunnel |
| 07/24/2013 | CN203081465U Scanner protecting device and engineering machinery with same |
| 07/24/2013 | CN203081464U Tramcar material taking device |
| 07/24/2013 | CN203081463U Concrete wet-type spraying unit |
| 07/24/2013 | CN203081462U Spiral conveying type concrete jet unit |
| 07/24/2013 | CN203081461U Automatic concrete stirring and delivering feeding machine |
| 07/24/2013 | CN203081460U Integrated positioning fixture for construction of tunnel two-liner end socket construction joint |
| 07/24/2013 | CN203080694U Fastening piece |
| 07/24/2013 | CN203080558U Direct-type high-pressure grout curtain connection structure in thin lining-grouting cave |
| 07/24/2013 | CN103216249A Waterproof support method of water sump of water-swellable soft rock of underground coal mine |
| 07/24/2013 | CN103216248A Wet type shotcrete machine |
| 07/24/2013 | CN103216247A Prestress shield tunnel and construction method thereof |
| 07/24/2013 | CN103216246A Wet spray pipe for wet type pulp shooting machine |
| 07/24/2013 | CN103216245A Concrete wet spraying machine with mixing feeding mechanism |
| 07/24/2013 | CN103216244A Roadway soft and weak top plate anchoring beam-arch combined structure support system and support method |
| 07/24/2013 | CN102562081B Shield tail sealing device for shield machine |
| 07/24/2013 | CN102200017B Tunnel lining trolley with push-pull end die and secondary tunnel lining pouring method implemented by same |
| 07/24/2013 | CN102182469B Construction method for preventing cracking of second lining of middle cavity of large span tunnel |
| 07/17/2013 | CN203066991U Rapidly-erecting tunnel steel framework |
| 07/17/2013 | CN203066990U Fully-hydraulic and self-walking inverted arch formworking trolley for tunnel |
| 07/17/2013 | CN203066989U Lining structure for expressway tunnel |
| 07/17/2013 | CN203066988U Wet shotcreting trolley |
| 07/17/2013 | CN203066987U Dislocation-prevention and large section earth pressure balance rectangular jacking pipe joint for motor vehicle tunnel |
| 07/17/2013 | CN203066986U Composite truss for coal-rock roadway roof support |
| 07/17/2013 | CN203064994U Lifting device for disassembling negative ring segments |
| 07/17/2013 | CN103206230A Waterproof structure of shield tunnel segment |
| 07/17/2013 | CN103206229A Working well-free heading machine synchronous grouting simulation test platform |
| 07/17/2013 | CN103206228A Flexible segment for shield tunnel |
| 07/17/2013 | CN103206227A Geological engineering experiment device |
| 07/17/2013 | CN103206226A Multifunctional variable cross-section lining trolley for tunnel |
| 07/17/2013 | CN103206225A Shield segment |
| 07/17/2013 | CN103206224A Strong resistance and strong evasion floor heave governing construction method of high-stress large-deformation soft rock drift |
| 07/17/2013 | CN103206223A Reinforcing structure of surrounding rock inside precast-segment tunnel |
| 07/17/2013 | CN103206222A Method for constructing reinforced surrounding rock inside precast-segment tunnels |
| 07/17/2013 | CN103206219A Holed excavation supporting structure for light and dark junction section of tunnel in bias pressure state and construction method |
| 07/17/2013 | CN102392657B Feeder for shotcrete machines |
| 07/17/2013 | CN102278127B Wet-injection double-barrelled injection machine |
| 07/17/2013 | CN102251781B Guiding horizontal jet grouting pile pre-support construction method for scattered particle rock surrounding tunnel |
| 07/17/2013 | CN101575486B Solvent-free adhesive, waterproof sheet and manufacturing method of the waterproof sheet and construction method using the waterproof sheet |
| 07/10/2013 | CN203051271U Pipe piece assembly lifting movement rapid synchronous hydraulic system |
| 07/10/2013 | CN203051268U Multi-degree-freedom parallel pipe piece assembly positioning electrohydraulic control system |
| 07/10/2013 | CN203050748U Combined type reinforced concrete lining structure with hard rock tunneling machine construction method |
| 07/10/2013 | CN203050736U Waterproof earth pressure balance rectangular jacking pipe joint for large-section motor vehicle tunnel |
| 07/10/2013 | CN203050735U Inner supporting device of heavy caliber non-reinforcing-rib thin-wall steel pipe |