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