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)
11/2013
11/27/2013CN102296961B Karst tunnel large-scale cavern processing method
11/20/2013CN203296782U Flame-retardant EVA (ethylene vinyl acetate)/ECB (ethylene copolymer bitumen)/PE (polyethylene) waterproof board of tunnel
11/20/2013CN203296781U Tunnel self-propelled inverted arch formwork trolley
11/20/2013CN203296780U Supporting and protecting lining device used for preventing surrounding rock from large deformation in underground cavern construction
11/20/2013CN203296779U Concrete wet-type jet unit
11/20/2013CN203296778U Rigid-flexible combination gob-side entry retaining roadway-side shoring device
11/20/2013CN203296777U Simulation experiment device of tunnel boring machine
11/20/2013CN103397883A Comprehensive control method for rockburst in multiple-coalbed mining mine
11/20/2013CN103396065A Synchronous grouting grout for shield construction control and grouting method thereof
11/20/2013CN102587932B Loading frame for tunnel lining model test
11/20/2013CN102562092B Testing container for tunnel lining model
11/20/2013CN102296967B Method for repairing sulphate attack disease of tunnel lining concrete structure
11/13/2013CN203285458U Multifunctional supporting trolley of tunnel arch center
11/13/2013CN203285457U Bored tunnel structure with high water resistance and high air impermeability
11/13/2013CN203285456U Middle-buried type waterstop fixing device
11/13/2013CN203285455U Severe cold area swelling rock tunnel insulating layer
11/13/2013CN203285454U Connector steel frame supporting system for drilling auxiliary tunnel in main cave arch wall
11/13/2013CN203285453U Tunnel steel arch auxiliary installation device
11/13/2013CN203285452U Anchor pile continuous wall controlling floor heave deformation of soft rock roadway
11/13/2013CN203285451U Novel cyclone strong-blowing device
11/13/2013CN203285450U Oil storage system of concrete spraying vehicle
11/13/2013CN203285449U Mobile combined-type cable trough formwork assembly
11/13/2013CN203285448U Turnplate for model selection of duct pieces of shield tunneling machine
11/13/2013CN203285068U Walking type automatic loading shotcrete machine device
11/13/2013CN203285034U Painting device
11/13/2013CN103388482A Warehouse type automatic feeder
11/13/2013CN103388481A Combined prefabricated slab for governing floor heave and method for governing floor heave
11/13/2013CN103388480A Method for carrying out underground rock engineering by using ball joint net frame structural support
11/13/2013CN102400713B Method for auxiliary construction of water falling in tunnel by communicated channel
11/06/2013CN203271786U Advanced support structure for tunnel excavation
11/06/2013CN203271776U Fixing device of tunnel secondary lining annular waterstop
11/06/2013CN203271775U Compact high-strength steel ring sheet
11/06/2013CN203271774U Sheet steel ring of connecting plate with splicing grooves
11/06/2013CN203271773U High-strength easy-to-mount steel ring piece
11/06/2013CN203271772U Multi-support high-efficiency sheet steel ring
11/06/2013CN203271771U High-precision assembled type steel ring piece
11/06/2013CN203271770U High-efficient heterogenic steel ring piece
11/06/2013CN203271769U Concrete pipe piece steel mould with box structure
11/06/2013CN203271768U Secondary shield tunnel lining and pouring device
11/06/2013CN203271767U Foundation structure inside tunnel boring machine cave
11/06/2013CN203271766U Grouting pipe and grouting device of pipe shed advanced support
11/06/2013CN203271765U Rubble reinforced concrete optimized arch structure for treating soft rock roadway heaving floor
11/06/2013CN203271764U Pipe piece and pipe piece ring for model shield tunneling machine indoor tunneling experiment
11/06/2013CN203271763U Lining segment for sea-crossing shield tunnel
11/06/2013CN203271762U Concrete band support system device of tunnel type paved coal conveying pipeline
11/06/2013CN203271761U Roadway reinforcing and supporting structure capable of effectively reducing cost
11/06/2013CN203271760U Steel ring piece with high stability
11/06/2013CN203271759U Sheet steel ring with air hole mechanism
11/06/2013CN203271758U Sheet steel ring with connecting plate splicing mechanism
11/06/2013CN203271149U Guniting vehicle with automatic accelerator adding device
11/06/2013CN103382845A Full-automatic loading pulp shooting machine
11/06/2013CN103061785B Grouting process for borehole casing pressure-proof seepage sealing grouting device for drilling roadway breaking water burst surrounding rock
11/06/2013CN102628366B Annular prestressed stranded wire reeving trolley and reeving method
11/06/2013CN102322277B Preliminary lining construction device and method for underground engineering model test
11/06/2013CN102108873B High-polymer grouting method for rapidly disposing percolating water in tunnel
11/06/2013CN101891430B Flexible cement component, flexible cement product and preparation method and use thereof
10/2013
10/31/2013WO2013159448A1 Self-moving tunnel support canopy
10/30/2013CN203257429U Main framed timber beam of truss structure
10/30/2013CN203257428U Novel setting accelerator conveying system
10/30/2013CN203257427U Pulse type grouting device
10/30/2013CN203257426U Feeding device used for pulp shooting machine
10/30/2013CN203255895U Telescopic boom convenient for replacement of slide blocks
10/30/2013CN203254738U Waterproof coil material
10/30/2013CN103375171A Counterforce frame in shield hole
10/30/2013CN102505949B Support method for coal seam roadway to cross gob
10/30/2013CN102454409B Spirally-driven material taking device for mining truck
10/30/2013CN102410027B Dual-mode TBM (tunnel boring machine) and control method thereof
10/23/2013EP2653766A2 Pressure compensation ring to be mounted between two propulsion tubes of an underground propulsion tubing system
10/23/2013CN203248174U Arch interlocked beam
10/23/2013CN203248173U Detachable trestle for pouring tunnel inverted arch concrete
10/23/2013CN203248172U Large tunnel lining trolley machinery end mold
10/23/2013CN203248171U Full fracture surface needle beam trolley without beam frame
10/23/2013CN203248170U Lining trolley for secondary lining construction of pedestrian crosswalk
10/23/2013CN203248169U Wet type shotcrete machine
10/23/2013CN203248168U Spraying mechanism of wet type shotcrete machine
10/23/2013CN203248167U Safe inclined shaft lining trolley
10/23/2013CN203248166U Novel needle beam trolley
10/23/2013CN103362523A Suspended formwork lining method for cover arch outside tunnel portal with weak surrounding rocks
10/23/2013CN103362522A Dry powder type synchronous grouting construction technology
10/23/2013CN103362521A Multi-passage concrete trolley for weak surrounding rock tunnel benching stepping method construction
10/23/2013CN103362520A Marking method for three-centred arch roadway excavation contour line
10/23/2013CN103362519A Safe and quick coal roadway tunneling method
10/23/2013CN103362513A Transformation and construction method for existing cavity in underground excavation region
10/23/2013CN102410030B Multipurpose tunnel operating vehicle
10/23/2013CN102359379B Tunnel construction method
10/23/2013CN102337903B Method of active coupling support in time and space for control of minimum deformation of surrounding rock of deep well roadway
10/23/2013CN102312673B Construction method for allowing shield to pass through operated subway tunnel in short distance under complex working conditions
10/23/2013CN102305086B Multifunctional mobile operating platform for coal mine tunnel
10/23/2013CN102305082B Method for relieving and cutterhead repairing of shield machine in weathering groove
10/23/2013CN102296972B Cold region tunnel electric heat tracing active insulation antifreezing facility and construction method thereof
10/23/2013CN102268993B Method for excavating tunnel in high liquid limit soil
10/16/2013CN203239392U Double-multiple-arch tunnel middle wall provided with drainage system
10/16/2013CN203239373U Multifunctional operation trolley for tunnel construction
10/16/2013CN203239358U Sprayed concrete funneling vibration feeding device
10/16/2013CN203239357U Adjacent tunnel supporting structure suitable for collapsible loess
10/16/2013CN203239356U Supporting and protecting device applied to deep development roadway
10/16/2013CN203238969U Compression roller type waterproof roll constructing device
10/16/2013CN103352710A Suspension overturn type tunnel inverted arch formwork trolley and construction method thereof
10/16/2013CN103352709A Efficient energy-saving integrated walking type concrete pulp shooting machine
10/16/2013CN103352708A Lining supporting device
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 72