| Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097) |
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| 05/25/2011 | CN102071947A Construction method for soft surrounding rock section of large-span tunnel portal |
| 05/25/2011 | CN102071946A Plugging device for large-aperture hand hole in shield tunnel |
| 05/25/2011 | CN102071945A Method for driving-in and driving-out construction in built structure closed in three sides for shield |
| 05/25/2011 | CN102071944A Simulation detection system for surface subsidence of shield tunnel construction |
| 05/25/2011 | CN102071943A Centrifugal experimental simulation testing device for surface subsidence induced by city shield tunnel construction |
| 05/25/2011 | CN102071942A Processing method for protecting excavation place of shield machine from mudlining |
| 05/25/2011 | CN102071940A Construction method for mine shaft through multilayer goaf |
| 05/25/2011 | CN102071934A Heading machine and cantilever working mechanism thereof |
| 05/25/2011 | CN102071689A Optimized construction method of static pressure pile close to existing tunnel |
| 05/19/2011 | US20110116868 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste |
| 05/18/2011 | CN201835867U Spiral conveyer for earth pressure balanced pipe jacking machine |
| 05/18/2011 | CN201835860U Fixed-point rescue station of railway tunnel |
| 05/18/2011 | CN201835840U Protective cutter for shield machine |
| 05/18/2011 | CN201835839U Limiting mechanism of cutter head driving power of shield |
| 05/18/2011 | CN201835838U Repair and disassembly guiding device of shield spiral machine inside tunnel |
| 05/18/2011 | CN102066687A Method and equipment for displaying drill holes and method for directing drill rod when holes are drilled into rock |
| 05/18/2011 | CN102061925A Screw rod type soil conveyor capable of stretching along axial direction |
| 05/18/2011 | CN102061924A Gate roadway head-on turning transverse construction method |
| 05/18/2011 | CN102061923A Tunnel construction method capable of protecting existing building |
| 05/18/2011 | CN102061916A Power rear-mounted telescopic arm for tunneling machine |
| 05/18/2011 | CN101408108B Shield cutter head hydraulic system driven by mixed motor serial connection and parallel connection |
| 05/12/2011 | DE112009001554T5 Vermeidungssystem für eine Baustelle Avoidance system for a construction site |
| 05/12/2011 | DE102010022115A1 Kompakt bauende Teilschnittmaschine Compact design roadheader |
| 05/11/2011 | CN201827626U Lubricating system of small type shielding main bearing |
| 05/11/2011 | CN201826850U Cutting device with small-range reducing function in soft rock shield machine |
| 05/11/2011 | CN201826849U Diversion cutter for subway tunnel shield machine |
| 05/11/2011 | CN201826845U Arch bridge crawler slag-raking machine |
| 05/11/2011 | CN102052080A Mechanical drive dual-disc development device for development machine |
| 05/11/2011 | CN102052079A Method for exchanging tool of shield machine for tunnel construction |
| 05/11/2011 | CN102052078A Real-time guide system of multi-sensor data fusion shield machine |
| 05/11/2011 | CN101660420B Deceleration and antiskid marked line suitable for entrance and exit sections of tunnel |
| 05/11/2011 | CN101586346B Method for constructing multi-functional metro interchange station complex |
| 05/11/2011 | CN101182772B Two lines intersection small radius, shallow earth covering and large longitudinal slope complicated linetype shield construction method |
| 05/05/2011 | US20110103892 Modifications to a tbm structure to provide roof support installation |
| 05/04/2011 | EP2317074A1 Multi-deck tunnel |
| 05/04/2011 | EP2315915A1 Modification to a tbm structure to provide roof support installation |
| 05/04/2011 | CN201818312U Shield device adopting pipeline pressure to convey earth |
| 05/04/2011 | CN201818311U Tunneling device for multifunctional multi-cutter head rectangular top pull pipe |
| 05/04/2011 | CN201817837U Driven chain wheel structure of conveying chute of backhoe loader |
| 05/04/2011 | CN102046920A Apparatus and method for monitoring tunnel boring efficiency |
| 05/04/2011 | CN102042021A Automatically walking stepped mobile trestle |
| 05/04/2011 | CN102042020A Construction device and construction method for preventing push bench and pipeline from sinking |
| 05/04/2011 | CN102042019A Two-stair five-step excavation construction method for shallow-buried large-span soft plastic clay tunnel |
| 05/04/2011 | CN101575978B Pressure-speed mixed control shield propulsion hydraulic system |
| 05/04/2011 | CN101575977B Hydraulic direct-regulating quick response mechanism of snap load in shield propulsion system |
| 05/04/2011 | CN101575972B Crossed chain-cutting narrow crawler double-push liquid wedge and support type stone tunnelling machine |
| 05/04/2011 | CN101539024B Integral type shield cutterhead driving device |
| 05/04/2011 | CN101509382B Tunnel surveying method |
| 05/04/2011 | CN101476467B Pipe blocking device and pipe connection apparatus employing the same |
| 05/04/2011 | CN101148988B Pressed railway traffic in-and-out section line tunnel shield propulsive construction method in built tunnel |
| 04/27/2011 | EP2313614A2 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste |
| 04/27/2011 | CN201810320U Multi-cutterhead road header with arbitrary section shape |
| 04/27/2011 | CN201810319U Shield machine scraper |
| 04/27/2011 | CN201810307U Cutting mechanism for heading machine |
| 04/27/2011 | CN201809803U Integrated system for taking purified water from rivers |
| 04/27/2011 | CN102031982A Tunneling construction Ttechnology for constructing mined tunnelof by adopting composite tooth support through mining method |
| 04/27/2011 | CN102031977A Fixing structure for arranging wire clamping hoops on shield tail sealing brush |
| 04/27/2011 | CN102031976A Reinforced structure of shield-tail sealing brush wire group |
| 04/27/2011 | CN102031975A Superposition assembly process for shield tail sealing brush |
| 04/27/2011 | CN102031974A Tubal curtain advanced support constructing method for deep mine roadway of coal mine passing through fault fracture zone |
| 04/27/2011 | CN102031973A Analysis of influences of thermal force and freeze-thaw weathering on tunnel |
| 04/27/2011 | CN102031968A Tunnelling and shoring integrated machine and telescopic boom thereof |
| 04/27/2011 | CN102031736A Construction technology for under-passing existing line under complicated geological condition |
| 04/27/2011 | CN101614125B Construction method of V-level surrounding rock tunnel |
| 04/27/2011 | CN101498221B Risk dynamic control method for construction safety of city underground engineering |
| 04/20/2011 | CN201802409U Multi-arm rock drill |
| 04/20/2011 | CN201802408U Self-traveling shield station-crossing movement system |
| 04/20/2011 | CN201802407U Combined cutter head type tunnelling machine |
| 04/20/2011 | CN201802406U Shield translation transit counterforce system |
| 04/20/2011 | CN201801901U Large-scale digging loader |
| 04/20/2011 | CN201801793U Combined building structure of underground road and ground bridge |
| 04/20/2011 | CN102022124A Method for connecting shield tunnel duct piece and prefabricated flue header sheet |
| 04/20/2011 | CN102022122A Support-type comprehensive tunneler |
| 04/20/2011 | CN102022121A Cutter driving device of shield machine |
| 04/20/2011 | CN102022120A Thrust shoe plank for shield machine |
| 04/20/2011 | CN102022119A Shield machine balance originating method |
| 04/20/2011 | CN102022118A Method for realizing balanced arrival of shield machine |
| 04/20/2011 | CN101608549B Full-automatic multistage planet primary-secondary drill tunnel shield machine system |
| 04/20/2011 | CN101598025B Multifunctional fabricated hydraulic drive moveable trestle |
| 04/20/2011 | CN101571044B Subway shield gas tunnel construction method |
| 04/13/2011 | EP2307657A1 Method and equipment for displaying drill holes and method for directing drill rod when holes are drilled into rock |
| 04/13/2011 | CN201794610U Drilling, loading, anchoring, supporting and transporting integrated machine in high outburst mine coal drift |
| 04/13/2011 | CN201794609U Drilling, loading and supporting all-in-one machine for coal roadway of high outburst coal mine |
| 04/13/2011 | CN201794593U Shield load sensitive control system |
| 04/13/2011 | CN201794592U Cutter of shield machine |
| 04/13/2011 | CN201794591U Single-disc central hob of shield machine |
| 04/13/2011 | CN201794590U Protective knife for shield machine |
| 04/13/2011 | CN1995702B Treatment method for slurry circulation in shield tunneling |
| 04/13/2011 | CN102011596A Shield originating or receiving end tunnel portal maintenance process |
| 04/13/2011 | CN102011594A Force transfer ring of shield cutter head for shield tunneling machine |
| 04/13/2011 | CN102011593A Wearable central stirring bar of cutter head mechanism of shield heading machine |
| 04/13/2011 | CN101608548B Method for protecting underground structure of single round shield side face construction in close distance |
| 04/13/2011 | CN101429869B Double-bending tunnel |
| 04/13/2011 | CN101349154B Structure construction method for forming subterranean tunnel |
| 04/07/2011 | WO2011040187A1 Jacking force-transmitting material, jacking pipe provided with same, and mold for foam-molding jacking force-transmitting material |
| 04/06/2011 | EP2304177A2 Apparatus and method for monitoring tunnel boring efficiency |
| 04/06/2011 | CN201786361U Supporting structure for railway crossing under loess tunnel with extra-large section |
| 04/06/2011 | CN102003207A Escape platform and security channel structure for single-hole dual-line magnetic suspension tunnel |
| 04/06/2011 | CN102003187A Construction method of under cutting excavation supporting of of deeply buried soft-rock large tunnel |
| 04/06/2011 | CN102003186A Double-roadway tunneling construction process |