Patents
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)
04/2014
04/02/2014CN103696783A Mining roadway protection method for soluble solid potassic salt ore
04/02/2014CN103693922A Mining spraying material formula and application method
04/02/2014CN102606176B Collapsible loess tunnel construction method
04/02/2014CN102536266B Method for supporting top side of artificial tunnel
04/02/2014CN102493822B Method for performing curtain grouting construction on tunnel by water rich fault influence zone
04/02/2014CN102392658B Quantification design method for preliminary bracing parameters of unsymmetrical loading tunnel
03/2014
03/27/2014WO2014047041A1 Low profile mine shaft liner plate system and method
03/26/2014CN203500249U Concrete jet machine wear-resisting plate high-pressure resisting air ring
03/26/2014CN203499702U Dual-groove clamping-plate breakage-proof safety clamping cable
03/26/2014CN203499701U Guide positioning connecting structure for feet-lock bolt of steel frame of tunnel
03/26/2014CN203499700U Partially-inflatable rubber supporting backboard
03/26/2014CN203499699U Supporting structure of corrosion and collapse tunnel section
03/26/2014CN203499698U Advanced curtain grouting system applied to underground engineering construction
03/26/2014CN203499697U Trolley used for concrete construction of various cross sections through mining method
03/26/2014CN203499696U Concrete jet machine wear-resisting sealing cutting knife device
03/26/2014CN203499695U Reinforcing structure for shallow-buried tunnel in bustling urban area
03/26/2014CN203499694U Spiral concrete spraying machine
03/26/2014CN103670453A Rotating duct piece conveying cart
03/26/2014CN103670452A Installation structure and method for accurately positioning tunnel arch wall lining buried type water-stop belt
03/26/2014CN103670451A Mounting tool of embedded longitudinal rubber waterstop in tunnel and using method thereof
03/26/2014CN103670450A Flood protection and water retaining structure for ventilation section of tunnel opening and construction method thereof
03/26/2014CN103670449A Local blocking and supporting technology of coal bunker
03/26/2014CN103670448A Underground pipeline protection device and support method applying underground pipeline protection device
03/26/2014CN103670447A Turnover accelerator material feeding concrete spraying vehicle
03/26/2014CN103670446A Method for constructing circular diversion tunnel 2/3 circular concrete lining
03/26/2014CN103670445A Monitoring system and method for wet-type concrete spraying machine in coal mine
03/26/2014CN103670444A Roadway bottom plate supporting structure and construction method thereof
03/26/2014CN103670443A Combined type portal tunnel lining trolley
03/26/2014CN103670442A Prefabricated concrete hyperbolical thin-shell arch type assembled underground space engineering supporting structure
03/26/2014CN103670441A Support frame device for top arch formworks at turning portions of underground gallery
03/26/2014CN103670440A Tight roof gob-side entry retaining supporting method
03/26/2014CN103670439A Tunnel lining construction method
03/26/2014CN103670438A Novel high-strength and high-deformation piston type inverted arch
03/26/2014CN103670427A Cross excavation support late-dismantling type tunnel construction method
03/26/2014CN103670426A Large-inclination-angle and large-section roadway construction method
03/26/2014CN103669602A Macromolecular self-adhesive composite coiled material production system
03/26/2014CN103669116A Caulking plugging construction method for deformation joint of concrete structure of high-speed railway
03/26/2014CN103660469A Internally-enhanced macromolecular waterproof composite coiled material
03/26/2014CN102296970B Concrete sprayer
03/26/2014CN102094650B Construction method for shield entry under complicated working conditions
03/26/2014CN101985884B Structure for preventing water at back of tunnel lining from longitudinally streaming
03/19/2014CN203488192U Waterproof structure in CRD construction method
03/19/2014CN203488191U Grouting system for tunnel water plugging construction
03/19/2014CN203488190U Mining grouting conduit
03/19/2014CN203488189U Tunnel structure for emptying renovation
03/19/2014CN203488183U Special type slurry shield machine capable of passing through polluted soil stratum
03/19/2014CN203487563U Water stop with positioning holes
03/19/2014CN203487562U Rubber waterstop and steel lathing fixing structure
03/19/2014CN103644153A Oil cylinder power unit of duct piece assembly machine of shield tunneling machine
03/19/2014CN103643974A Construction method for freeze-proof thermal-insulating layer of high and cold tunnel
03/19/2014CN103643973A CRD construction method tunnel waterproof construction method
03/19/2014CN103643972A Axis-type tunnel anti-seepage geotextile laying machine
03/19/2014CN103643971A Method for rapid construction of tunnel inverted arch forming end mould
03/19/2014CN103643970A Multi-shaft horizontal rotary jet grouting machine and construction method thereof
03/19/2014CN103643969A High-strength and low-energy-consumption coal mine wet spraying system and method
03/19/2014CN103643968A Method for rapid construction of double-track tunnel ditch cable channel
03/19/2014CN103643967A Spraying rail foundation device of circular inclined shaft sliding model
03/19/2014CN103643966A Prefabricated tunnel lining segment
03/19/2014CN103643965A Repair and reinforcement construction methods for segments in formed tunnel
03/19/2014CN103643964A Excavation leakage-prevention supporting method for water-less sandy-soil stratum tunnel
03/19/2014CN103643963A Multifunctional tunneling machine
03/19/2014CN103643958A Construction method for excavating weak surrounding rock tunnel by hydraulic breaking hammer
03/19/2014CN102518452B Rapid and safe arch supporting method in process of passing through top-coal caving region
03/13/2014DE102012108479A1 Gitterträger Lattice girder
03/12/2014EP2706194A2 Formwork girder
03/12/2014EP2706193A2 Formwork girder
03/12/2014EP2706192A1 Method for creating a pressure tunnel in segment-based construction for hydro-electric plant construction
03/12/2014EP2706147A1 Method for constructing a traffic tunnel in segment design
03/12/2014EP2706146A1 Method for constructing a traffic tunnel in segment design
03/12/2014CN203476961U Hoisting bolt sleeve for tunnel pipe piece
03/12/2014CN203476353U Connecting joint for double-mortar grouting pipe and high-pressure pipe
03/12/2014CN203476352U Supercharging joint for guniting pipes
03/12/2014CN203476351U Novel automatic feeding and guniting device
03/12/2014CN203476350U Open type TBM direct side discharging concrete injecting system
03/12/2014CN203476349U One-time forming lining trolley for tunnel ventilation inclined shaft
03/12/2014CN203476348U Arch cover combined construction structure for shallow-buried underground excavation long-span tunnel pilot tunnels
03/12/2014CN203476347U Preliminary bracing device for collapsible loess tunnel
03/12/2014CN203475780U Movable wall spraying device
03/12/2014CN103629215A Connecting tool and concrete component connecting device using same
03/12/2014CN103629214A Connecting tool and connecting device of concrete member with same
03/12/2014CN103628899A CRD middle partition wall reserving and water sealing flange welding construction technology
03/12/2014CN103628898A Continuous wall supporting method for preventing floor heaving of roadway
03/12/2014CN103628897A Method for passing through top-coal caving region of roadway
03/12/2014CN103628896A Automatic multifunctional concrete loading vehicle
03/12/2014CN103628895A Large-deformation ground fissure section tunnel lining joint structure and construction method thereof
03/12/2014CN103628894A Water-rich fault fracture zone collapsed roadway repairing method based on angle-variable umbrella-shaped advancing grouting
03/12/2014CN103628893A Drilling and blasting shield machine
03/12/2014CN103628889A Quick sealing method for excavating phyllite stratum tunnel
03/12/2014CN103628888A Stability augmentation and solidification method for large-section water-rich saturation fine-silt railway tunnel
03/12/2014CN103628887A Large-section water-rich saturated fine sand railway tunnel excavation method
03/12/2014CN103628884A Neighborhood tunnel middle clamping rock strengthening method
03/12/2014CN103626444A Construction process of steel fiber shotcrete
03/12/2014CN102606167B Settlement control construction method for transverse grouting guide pipe of shallow underground excavation tunnel
03/12/2014CN102587937B Composite hydraulic high-duty pressure tunnel plug
03/12/2014CN102418537B Reinforcing steel bar binding method capable of accurately positioning tunnel lining reinforcing steel bars
03/12/2014CN102364049B Hard rock composite TBM (Tunnel Boring Machine) suitable for composite stratum and tunneling mode thereof
03/05/2014CN203463116U Self-propelled tunnel waterproof board laying rack
03/05/2014CN203463115U Thermoplastic gasket device applicable to fixing tunnel waterproof buffer layer
03/05/2014CN203463114U Waterproof device applied to tunnel construction
03/05/2014CN203463113U Warehouse type automatic feeder
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