| 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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| 10/03/2012 | CN202467857U Mining shoring device for axial bottom syncline under coal mine |
| 10/03/2012 | CN202467206U Material discharging elbow device of concrete sprayer |
| 10/03/2012 | CN202467205U Hard tube conveying device of concrete jet mechanical arm |
| 10/03/2012 | CN202467204U Concrete piston lubricating device for concrete injection mechanical arm |
| 10/03/2012 | CN202467203U Rotor assembly of concrete sprayer |
| 10/03/2012 | CN202467170U Aluminum alloy rising template system |
| 10/03/2012 | CN202466857U Self-adhesive high polymer modified asphalt waterproof roll |
| 10/03/2012 | CN202466855U Breathable film |
| 10/03/2012 | CN102705005A Technology for plugging water bursting in mine by directional diversion grouting |
| 10/03/2012 | CN102704956A Pipe-segment quick-unloading device for slope tunnel borer |
| 10/03/2012 | CN102704955A Device for preventing segments from slipping |
| 10/03/2012 | CN102704954A Construction method for waterproof system of tunnel |
| 10/03/2012 | CN102704953A module unit butt joint combining device and method for tunnel secondary lining trolley |
| 10/03/2012 | CN102704952A Self-propelled tunnel grouting trolley |
| 10/03/2012 | CN102704951A Full-hydraulic self-propelled trestle trolley |
| 10/03/2012 | CN102704950A Support method used in passing water guide fracture structure in mine exploration |
| 10/03/2012 | CN102704949A No-pull rod side wall construction method for underground tunnel and formwork trolley for construction |
| 10/03/2012 | CN102704948A Formworking jumbo construction process for long and large box culvert |
| 10/03/2012 | CN102704947A Method for designing thickness of underwater tunnel subsurface excavated construction grouting reinforcement ring |
| 10/03/2012 | CN102704946A Concrete sprayer |
| 10/03/2012 | CN102704945A Full-section rock ripper for long-distance heavy-gradient inclined shaft |
| 10/03/2012 | CN102704933A Isolated-section grouting filling coal-mining method for mining overburden rock |
| 10/03/2012 | CN102702728A Polyurethane grouting water plugging-reinforcing material, and preparation method and application method thereof |
| 10/03/2012 | CN102702675A Chemical grouting filling seal material for coal mine, and preparation method and application method thereof |
| 10/03/2012 | CN102701662A Two-component cement-based polymer rigid waterproof mortar |
| 10/03/2012 | CN102003188B Method for supporting triangular area in coal mine support-dismantling process |
| 10/03/2012 | CN101761346B Method for constructing metamorphic rock confined water tunnel |
| 10/03/2012 | CN101712323B Movable wheel type trolley supporting system for long-distance overlapping shield tunnel of small clear distance |
| 10/03/2012 | CN101705829B Method for controlling quality of tunnel pipe sheet built by using shield method and pipe sheet structure |
| 09/28/2012 | DE202012103457U1 Gitterträger Lattice girder |
| 09/28/2012 | DE202012103456U1 Gitterträger Lattice girder |
| 09/26/2012 | CN202451172U Tunneling suspension transportation cart in underground roadway of coal mine |
| 09/26/2012 | CN202451171U Tool set for producing reinforcing bar curve unit of grid steel frame |
| 09/26/2012 | CN202451170U Stable mechanism of full-section needle beam trolley used for heavy-gradient inclined shaft construction |
| 09/26/2012 | CN202451169U Guide and traction system for full-section needle-beam trolley during construction in large slope inclined shaft |
| 09/26/2012 | CN202451168U Dustproof throwing jet |
| 09/26/2012 | CN202451167U Duct piece semi continuous seam spliced shield pipeline |
| 09/26/2012 | CN202451166U Chamber supporting structure |
| 09/26/2012 | CN202451165U Strengthening device for installing old tunnel electrification lifting column |
| 09/26/2012 | CN202447237U Spraying device of concrete sprayer |
| 09/26/2012 | CN102691510A Butt section lining structure in shield tunnel |
| 09/26/2012 | CN102691509A Trolley for roadway concrete construction and construction method |
| 09/26/2012 | CN102691508A Large-diameter pipe-roof structure for advance support of underground engineering and construction method |
| 09/26/2012 | CN102691507A Integrated fast construction method for shield machine |
| 09/26/2012 | CN102691397A Decorative wall with ultrathin oversized indoor decorating plates and construction method thereof |
| 09/26/2012 | CN102251675B Slab staggering free pouring opening device |
| 09/20/2012 | US20120237300 Tubbing lining having an integrated flexible element |
| 09/19/2012 | CN202441393U Forepoling structure of horizontal rotary jet grouting and big pipe shed combined tunnel |
| 09/19/2012 | CN202441392U Steel temporary inverted arch capable of being fast assembled and disassembled for tunnel |
| 09/19/2012 | CN202441391U End template device for mounting waterstop in tunnel secondary lining concrete |
| 09/19/2012 | CN202441390U Liftable simple mould base |
| 09/19/2012 | CN202441003U Self-adhesive polymer modified asphalt waterproof roll |
| 09/19/2012 | CN202440940U Flexible waterproof coiled material of asphalt composite tire |
| 09/19/2012 | CN202440939U Asphalt polyester tire waterproof roll |
| 09/19/2012 | CN202440938U Waterproof coiled material of different modified asphalts |
| 09/19/2012 | CN202440850U One-side reinforcing modified asphalt waterproof coiled material |
| 09/19/2012 | CN102678136A Dual-reduction turnover construction process for sprayed concrete |
| 09/19/2012 | CN102678135A Vibration damping protection tunnel with constrained damping structure and construction method of tunnel |
| 09/19/2012 | CN102678134A Collapse and sink intrusion limit construction method for treating wind accumulated sand loess tunnel through stride shed pipe |
| 09/19/2012 | CN102678132A Anti-rockfall reinforced concrete open-cut tunnel structure |
| 09/19/2012 | CN102678127A Method for constructing weakly consolidated non-stratified sandstone tunnel |
| 09/19/2012 | CN102678126A Method for excavating mountain tunnels in weak surrounding rock-fractured zones or shallow covered slope sections |
| 09/19/2012 | CN102678123A Gob-side entry retaining method for thin coal layer under hard limestone top plate |
| 09/19/2012 | CN102677911A Maintaining and reinforcing method and structure directed towards aged concrete constructions |
| 09/19/2012 | CN102677785A Styrene-ethylene-butylene-styrene (SEBS) self-adhesion waterproof plate and production method thereof |
| 09/19/2012 | CN102677703A Falling-rock-impact-resistant open cut tunnel/shed tunnel ceiling cushion layer structure and construction method thereof |
| 09/19/2012 | CN101864966B Control method of grouting of shield machine and system thereof |
| 09/18/2012 | CA2574892C A method for the production of an infrastructure channel |
| 09/12/2012 | CN202431281U Waterproof structure outside side wall of subway station main body |
| 09/12/2012 | CN202431280U Tunnel plugging device for water-sealed cavern |
| 09/12/2012 | CN202431279U Hyperbolic flat arch for supporting tunnel top plate |
| 09/12/2012 | CN202431278U Double-layer horizontal jet grouting pre-retaining structure |
| 09/12/2012 | CN202431277U Shield segment |
| 09/12/2012 | CN202431004U Feeding apparatus of concrete sprayer |
| 09/12/2012 | CN202430720U Circling grout leaking detection flushing device used during deep hole grouting |
| 09/12/2012 | CN202430685U Modified asphalt waterproofing membrane |
| 09/12/2012 | CN102661156A Special combined steel mold plate for anchor groove of double-ring prestressed anchor rope in round tunnel |
| 09/12/2012 | CN102661155A Shield machine synchronous grouting pipeline system and shield machine with same |
| 09/12/2012 | CN102661154A Double-layer structural concrete for lining tunnel under condition of terrestrial heat erosion and construction method of double-layer structural concrete |
| 09/12/2012 | CN102661153A Mechanism for stabilizing pipe piece of shield machine |
| 09/12/2012 | CN102661149A Construction method for transforming existing civil air defense sections into metro sections |
| 09/12/2012 | CN102661003A Double-working position forming technique and equipment of modified asphalt waterproof roll |
| 09/12/2012 | CN102660952A Controllable clay paste slurry grouting technique |
| 09/12/2012 | CN102226400B Method and system for preventing clamping stagnation of shield body due to too large frictional resistance in earth pressure balance shield machine |
| 09/05/2012 | EP2495394A1 Tunnel with exterior tube and reinforced interior tube |
| 09/05/2012 | CN202417533U Waterstop steel plate applied to joist steel |
| 09/05/2012 | CN202417532U Waterstop mounting module |
| 09/05/2012 | CN202417531U Netted steel frame for construction of shallow buried-tunneling method |
| 09/05/2012 | CN202417530U Bottom-positioned traversing synchronous tunnel lining trolley for continuous conveyor construction of tunnel |
| 09/05/2012 | CN202417529U Side through synchronous lining trolley used for construction of continuous transport machine for tunnel |
| 09/05/2012 | CN202417528U Strength-adjustable shield tunnel synchronous injecting paste material based on stratum characteristics |
| 09/05/2012 | CN202417527U Jacking device for small conduit used for grouting for tunnel |
| 09/05/2012 | CN202417526U Lining trolley of ditch cable trough of tunnel |
| 09/05/2012 | CN202417525U High-pressure grouting orifice sealing device |
| 09/05/2012 | CN202417524U Mine reinforcement material filling slip casting gun |
| 09/05/2012 | CN202417523U Mining pneumatic grouting device |
| 09/05/2012 | CN202417522U Screw-driven mining-car material-taking device |
| 09/05/2012 | CN202417521U TBM (tunnel boring machine) synchronization lining trolley for paving intrados inverted arch precast blocks in tunnel and hole |
| 09/05/2012 | CN202417520U Concrete pumping distribution device used in construction of secondary linings of tunnel |
| 09/05/2012 | CN202417519U Synchronous trolley |