| 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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| 01/02/2013 | CN102852532A Grouting method for preventing rib walk caving |
| 01/02/2013 | CN102852531A Construction method for suspended reinforcement of high gas tunnel inverted arch model |
| 01/02/2013 | CN102852530A Tunnel buffering multilayered water-discharging-preventing structure and construction method |
| 01/02/2013 | CN102852529A Method for reinforcing end socket template of secondary lining trolley of tunnel |
| 01/02/2013 | CN102852528A Method for controlling floor heave through inverted arch anchoring beam |
| 01/02/2013 | CN102852525A Underground tunnel enlarging and excavating method from small section of single-line tunnel to large section of double-line tunnel |
| 01/02/2013 | CN102852235A Asphalt modified waterproof rolled material |
| 01/02/2013 | CN102848473A Elevation-type material-fetching device for mining-use automatic-feeding concrete jet machine |
| 01/02/2013 | CN102071954B Shield tunnel duct piece |
| 01/02/2013 | CN101994513B Method for constructing tunnel by finishing full section curtain grouting from upper-half section |
| 01/02/2013 | CN101922293B Method for installing waterproof steel plate in construction of underground tunnel |
| 12/27/2012 | WO2010122201A3 Pre-fabricated cement-based hybrid section and method for the production thereof |
| 12/27/2012 | US20120328369 Sealing arrangement for shaft and tunnel constructions |
| 12/27/2012 | CA2839485A1 A method for constructing a tunnel course, and structural element for use by the method |
| 12/26/2012 | CN202629469U Concrete filling device applied in inner lining equipment |
| 12/26/2012 | CN202628123U Large-section fault fracture zone tunnel mud burst processing structure |
| 12/26/2012 | CN202628122U Heaving prevention device for tunnel bottom plate |
| 12/26/2012 | CN202628121U Tunnel invert steel bar positioning device |
| 12/26/2012 | CN202628120U Tunnel two-lining concrete construction trolley based material distributing device |
| 12/26/2012 | CN202628119U Tunnel second-lining trolley module unit docking combination device |
| 12/26/2012 | CN202628118U Formwork trolley for long and large box culvert |
| 12/26/2012 | CN202628117U Laneway concrete construction trolley |
| 12/26/2012 | CN202628116U Arch frame for light-weight movable type steel mould trolley |
| 12/26/2012 | CN202628115U Integral-type inverted-arch template device |
| 12/26/2012 | CN202628114U Windproof open-cut tunnel duct piece assembling vehicle |
| 12/26/2012 | CN202628113U Trolley for tunnel with small radius |
| 12/26/2012 | CN202628112U Mixed type earth pressure balance shield erector with large diameter |
| 12/26/2012 | CN202628111U Anti-shedding device for inner arch of tunnel |
| 12/26/2012 | CN202628110U Combined steel formwork special for anchor groove of circular tunnel double-ring pre-stressed anchor cable |
| 12/26/2012 | CN202627489U Combined type top die supporting bent with steel pipe columns |
| 12/26/2012 | CN202627222U Film reinforced double-sided self-adhesive waterproof coiled material |
| 12/26/2012 | CN202627221U SBA resin polymer composite waterproof roll |
| 12/26/2012 | CN202626941U Device for fixing rubber waterstop and grout stop sheet |
| 12/26/2012 | CN102839983A Hand-flapping automatic laid and hung type tunnel waterproof board |
| 12/26/2012 | CN102839982A Rotary device for mine automatic loading concrete sprayer |
| 12/26/2012 | CN102839981A Backfilling stand shoring system of three-dimensional prestress wire of deep soft rock roadway |
| 12/26/2012 | CN102839980A Highway tunnel structure and construction method thereof |
| 12/26/2012 | CN102838334A Concrete member mending agent, preparation method and construction method |
| 12/26/2012 | CN102155242B Shield segment mold |
| 12/26/2012 | CN102155234B Excavation construction method for unsymmetrical small-space tunnel |
| 12/26/2012 | CN102128035B Construction method of bilateral biased small-clear distance tunnel |
| 12/26/2012 | CN101943004B Hydraulic self-running inclined-hole ordinary-state concrete casting trolley |
| 12/19/2012 | EP2534338A2 Structural reinforcement device |
| 12/19/2012 | CN202611722U Joint waterproof rubber tape having annular adjustable structure |
| 12/19/2012 | CN202611721U Shotcrete machine |
| 12/19/2012 | CN202611720U Trolley for repairing secondary linings |
| 12/19/2012 | CN202611719U Device for controlling thickness of tunnel secondary lining steel bar protection layer |
| 12/19/2012 | CN202611718U Wet spraying machine fan-shaped cavity rotor mechanism |
| 12/19/2012 | CN202611717U Secondary pressurizing mechanism for rotor-type wet spraying machine |
| 12/19/2012 | CN202611716U Retarding wind-dividing device |
| 12/19/2012 | CN202611715U Anti-leakage spraying head |
| 12/19/2012 | CN202611714U Tunnel assembly type construction trolley without welding |
| 12/19/2012 | CN202611713U Second liner conservation dust removing construction trolley for tunnel |
| 12/19/2012 | CN202611712U Rigid and flexible double protection structure for high and narrow dissolved cavern |
| 12/19/2012 | CN202610989U Waterproof and seepage-proof grouting structure |
| 12/19/2012 | CN202610767U High-strength waterproof plate |
| 12/19/2012 | CN102828758A Forming device for tunnel center gutter and side ditches and forming process thereof |
| 12/19/2012 | CN102828757A Pre-agitating system and wet spraying machine |
| 12/19/2012 | CN102828756A Roadway supporting method |
| 12/19/2012 | CN102042019B Two-stair five-step excavation construction method for shallow-buried large-span soft plastic clay tunnel |
| 12/19/2012 | CN101967982B Method for treating tuff roadway bottom heaves |
| 12/18/2012 | CA2708610C Arched structures and method for the construction of same |
| 12/12/2012 | CN202596743U Formwork trolley for underground tunnel pull-rod-free side wall construction |
| 12/12/2012 | CN202596742U Vehicle-mounted automatic pulp shooting machine |
| 12/12/2012 | CN202596741U Efficient automatic feeding shotcrete car |
| 12/12/2012 | CN202596740U Feeding device of concrete spraying machine |
| 12/12/2012 | CN202596739U Concrete sprayer pressing device |
| 12/12/2012 | CN202596738U Full-automatic material-loading pulp shooting machine |
| 12/12/2012 | CN202596737U Tunnel pipe piece shear pin |
| 12/12/2012 | CN202596736U Scaffold pivot and scaffold system |
| 12/12/2012 | CN202596735U Slant cross position space enclosing structure of running channel |
| 12/12/2012 | CN202596040U High polymer self-adhesive film waterproof coiled material |
| 12/12/2012 | CN202596039U TPO high-molecular double face composite root puncture-proof waterproof coiled material |
| 12/12/2012 | CN202595915U PVC (Poly Vinyl Chloride) macromolecular ultraviolet-resistant enhanced waterproof coil |
| 12/12/2012 | CN202595914U High-strength waterproof coiled material |
| 12/12/2012 | CN202595750U Sealing disk of concrete sprayer |
| 12/12/2012 | CN102817623A Dry powder accelerator conveying device for mining automatic feeding concrete spraying machine |
| 12/12/2012 | CN102817622A Negative pressure type concrete wet-spray machine set |
| 12/12/2012 | CN102817621A Comprehensive construction method applicable to controlling arch basement sedimentation for tunnel in unfavorable geological conditions |
| 12/12/2012 | CN102817620A Method for supporting ultra-thick and fluffy coal roadway |
| 12/12/2012 | CN102817616A Construction device and construction method for tunneling soft rock |
| 12/12/2012 | CN102817360A Concrete spraying construction device and method |
| 12/12/2012 | CN102146797B Short-section temporary gob-side entry retaining method |
| 12/12/2012 | CN102080552B Underground double liquid grouting process and underground double liquid grouting machine thereof |
| 12/12/2012 | CN101824987B Method for constructing structure for underground tunnel |
| 12/06/2012 | WO2012064698A3 Induction welded waterproofing |
| 12/05/2012 | CN202578784U Rotary mechanism |
| 12/05/2012 | CN202578719U Steel-edged water-stop fixing device |
| 12/05/2012 | CN202578718U Locating system for embedded part at construction joint between tunnel invert and secondary lining |
| 12/05/2012 | CN202578717U Four-direction connection box for arch frame |
| 12/05/2012 | CN202578716U Slewing mechanism |
| 12/05/2012 | CN202578715U Push and pull mechanism for tramcar |
| 12/05/2012 | CN202578714U Universal steel die lining trolley for linear and curved section tunnel |
| 12/05/2012 | CN202578713U Needle beam trolley traveling through hole device on tunnel arc section |
| 12/05/2012 | CN202578712U Plain-concrete spraying integrated machine |
| 12/05/2012 | CN202578711U Tunnel supporting structure |
| 12/05/2012 | CN202578710U Hydraulic self-propelled heavy gradient concrete pouring trolley |
| 12/05/2012 | CN202578709U Lateral sway preventing device of trolley |
| 12/05/2012 | CN202578708U Effectiveness evaluation simulation device for shield tunnel synchronous grouting in soft foundation dynamic water stratum |
| 12/05/2012 | CN202578707U Composite cavity member |