| 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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| 04/20/2011 | CN102022127A Arch center mounting device for construction of tunnel |
| 04/20/2011 | CN102022126A Anti-clogging screw type concrete sprayer |
| 04/20/2011 | CN102022125A Wet spraying machine for concrete dry materials |
| 04/20/2011 | CN102022124A Method for connecting shield tunnel duct piece and prefabricated flue header sheet |
| 04/20/2011 | CN102022123A Integral lining method for tunnel with altered diameter by model board trolley |
| 04/20/2011 | CN102021948A Novel waterproof structure of construction engineering and waterproof construction method |
| 04/20/2011 | CN101691739B Composite type self-adhesion water stop band, manufacturing method and construction method |
| 04/20/2011 | CN101598025B Multifunctional fabricated hydraulic drive moveable trestle |
| 04/20/2011 | CN101571044B Subway shield gas tunnel construction method |
| 04/20/2011 | CN101550832B A safety protecting work trolley for chamber |
| 04/19/2011 | US7927694 Layer of high strength and elasticity polyethylene, intermediate layer of closed-cell, physically or chemically cross-linked polyethylene foam, and a layer of polyolefin with high tear resistance |
| 04/14/2011 | WO2010099777A3 Lagging mat for underground mining and tunneling |
| 04/13/2011 | CN201794596U Multifunctional lifting appliance for shaft and cableway transport support material |
| 04/13/2011 | CN201794595U Rotary mechanism limiting device for shield segment installation machine |
| 04/13/2011 | CN201794594U Concrete delivery device |
| 04/13/2011 | CN201794200U Gob-side entry retaining masonry wall assembled building block |
| 04/13/2011 | CN102011853A Tooth ring of erector slewer |
| 04/13/2011 | CN102011600A Watertight device of heading machine for passing in and out door opening |
| 04/13/2011 | CN102011599A Rotary device of segment erector |
| 04/13/2011 | CN102011598A Processing method for rotating device of shield tunneling splicing machine |
| 04/13/2011 | CN102011597A Method and structure for supporting weak surrounding rocks of tunnel |
| 04/13/2011 | CN102011596A Shield originating or receiving end tunnel portal maintenance process |
| 04/13/2011 | CN102011595A Coal rock tunnel impact retraction energy-absorbing support device |
| 04/13/2011 | CN102011592A Circumferentially compressible composite well wall and construction method thereof |
| 04/13/2011 | CN101608548B Method for protecting underground structure of single round shield side face construction in close distance |
| 04/13/2011 | CN101476470B Water-proof drainage house cover process for tunnel |
| 04/13/2011 | CN101429869B Double-bending tunnel |
| 04/13/2011 | CN101349154B Structure construction method for forming subterranean tunnel |
| 04/13/2011 | CN101117889B Underground tunnel hanging-up assembling supporting construction |
| 04/12/2011 | US7922855 Method for guiding everting form employed to carry repair material into pipe or conduit |
| 04/06/2011 | CN201786364U Cable tunnel waterproof structure layer |
| 04/06/2011 | CN201786363U Supporting steel frame for cable tunnels |
| 04/06/2011 | CN201786362U Cable tunnel support wall |
| 04/06/2011 | CN201786361U Supporting structure for railway crossing under loess tunnel with extra-large section |
| 04/06/2011 | CN201786360U Supporting structure improving load-carrying property of loess tunnel arch springing |
| 04/06/2011 | CN102003191A Mine curtain grouting effect determining method |
| 04/06/2011 | CN102003190A Construction method for pre-laying tunnel waterproof coiled material |
| 04/06/2011 | CN102003189A Mold bag grouting method and device for quickly and uniformly reinforcing soft stratum |
| 04/06/2011 | CN102003188A Method for supporting triangular area in coal mine support-dismantling process |
| 04/06/2011 | CN102003187A Construction method of under cutting excavation supporting of of deeply buried soft-rock large tunnel |
| 04/06/2011 | CN102002983A Wet lay-up and edge-jointing construction method of single-sided adhesive wet lay-up waterproof coiled material |
| 04/06/2011 | CN102002934A In-situ modification reinforcing method for expansive soft rock soil |
| 03/30/2011 | CN201778825U Novel tunnel waterproof plate |
| 03/30/2011 | CN201778824U Novel tunnel sound barrier |
| 03/30/2011 | CN201778823U Enclosure pile section steel support walking arch crown internal mold lining trolley |
| 03/30/2011 | CN201778822U Hydraulic formwork trolley |
| 03/30/2011 | CN101994513A Method for constructing tunnel by finishing full section curtain grouting from upper-half section |
| 03/30/2011 | CN101424189B Water stopping device and method for process for getting out of starting well and entering receiving well for digging implement and method |
| 03/23/2011 | CN201771517U Tunnel support structure |
| 03/23/2011 | CN201771516U Supporting structure of district passing through cavern and underground river for tunnel |
| 03/23/2011 | CN201771515U Shield tunnel liner ring in 7+1 partitioned mode |
| 03/23/2011 | CN201770985U Stirring shaft for wet type concrete sprayer |
| 03/23/2011 | CN101988385A Ventilation method for karst water-rich mine |
| 03/23/2011 | CN101555798B Reverse puncher and method for using the puncher for implementing PBA side pile construction |
| 03/23/2011 | CN101251017B Subsection retrusive slip-casting method for porthole slurry-stop jackrod |
| 03/16/2011 | CN201763359U Leakage water treatment node structure of tunnel construction joints |
| 03/16/2011 | CN201763358U Special concrete automatic metering shotcrete vehicle for tunnel construction |
| 03/16/2011 | CN201763357U Small pipe for slip casting |
| 03/16/2011 | CN201763356U Trolley crown pillar |
| 03/16/2011 | CN201763355U Wet integrated concrete sprayer set |
| 03/16/2011 | CN201762828U Uncovering-free self-adhesive water stop strip |
| 03/16/2011 | CN201762728U Built-in drainage waterstop for tunnel project seam |
| 03/16/2011 | CN1936270B Multilayer enclosing-rock cement-grouting consolidation ring tunnel bearing structure and its construction method |
| 03/16/2011 | CN101985884A Structure for preventing water at back of tunnel lining from longitudinally streaming |
| 03/16/2011 | CN101985883A Cavern protection method |
| 03/16/2011 | CN101985882A Construction method of rigid primary support of mould-building concrete of plateau permafrost tunnel |
| 03/16/2011 | CN101215127B Rigid and flexible water-proof sealing material for underground engineering and application thereof |
| 03/09/2011 | CN201756970U Side-blowing type horizontal rotor concrete sprayer |
| 03/09/2011 | CN201756969U Blowout preventing device for reinforcing tunnel bottom formation |
| 03/09/2011 | CN201756968U Lining ring of shield tunnel in manner of nine evenly divided blocks |
| 03/09/2011 | CN201756967U Single track railway shield tunnel longitudinal rigidity reinforcing structure |
| 03/08/2011 | CA2678136A1 Welded mesh rock support system for bursting and squeezing ground |
| 03/03/2011 | WO2010112015A3 Sealing arrangement for shaft and tunnel construction |
| 03/03/2011 | DE102008057558B4 Befestigungsanordnung mit einer Rondelle mit Krallenbefestigung Mounting assembly with a roundel with claw fixing |
| 03/02/2011 | CN201753606U Dual-purpose grouting pipe for deep and shallow holes |
| 03/02/2011 | CN101982643A Tunnel prestressed concrete lining structure and construction procedure thereof |
| 03/01/2011 | US7896578 Mapping of contaminants in geologic formations |
| 02/26/2011 | CA2713811A1 Mine roof and rib support |
| 02/24/2011 | WO2011021942A1 Method and device for assembly of an arch structure |
| 02/23/2011 | CN101979782A Self-adhesive anti-corrosion resin bitumen waterproof roll material and preparation method thereof |
| 02/17/2011 | DE202010016441U1 Tunnel-/Rohrsystem für Versorgung/Transport - TRS Tunnel / pipe system for supply / transport - TRS |
| 02/16/2011 | CN201747385U Rigid and flexible composite shuttering |
| 02/16/2011 | CN201747384U Grouting pipe capable of effectively preventing pipe blockage |
| 02/16/2011 | CN201747383U Rapid supporting system for steel shotcrete |
| 02/16/2011 | CN101975073A Retractable concrete arch and anchor rod combined support system and construction method |
| 02/16/2011 | CN101975071A Retractable guniting wall protector and construction method thereof |
| 02/16/2011 | CN101975070A Advance pre-reinforcement method for unfavorable geology in cavern |
| 02/09/2011 | CN201738936U Flexible metal mesh bracket and laying device |
| 02/09/2011 | CN201738935U Chamber arch jet molding concrete construction structure |
| 02/09/2011 | CN201738934U Mobile injection concrete truck |
| 02/09/2011 | CN201738933U Dust-collecting shotcrete machine |
| 02/09/2011 | CN201738932U Support structure of loess tunnel with extra-large cross-section |
| 02/09/2011 | CN201738469U Veneering device for cast-in-place concrete tunnel portal |
| 02/09/2011 | CN201738224U Guniting machine |
| 02/09/2011 | CN1973113B Method for detecting and controlling thrust and eccentricity of pipe elements in the ground |
| 02/09/2011 | CN101967988A Quickly-installed manipulator of attached type tunnel arch |
| 02/09/2011 | CN101967987A Construction process for temporarily strengthening tunnel face of underground excavation sand layer |
| 02/09/2011 | CN101967986A Lining trolley for internal model of walking vault of steel support structure of guard post section |
| 02/09/2011 | CN101967985A Self-propelled inverted arch template construction method |
| 02/09/2011 | CN101967984A Deep well tunnel cable anchor rigid-flexible coupling support and surrounding rock overall reinforced support method |