Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21D - Shafts; Tunnels; Galleries; Large underground chambers › 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
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
04/30/2014CN203570321U Silencing tunnel with escape channel
04/30/2014CN103758542A Trolley for laying tunnel waterproof plate
04/30/2014CN103758541A Trolley and method for laying tunnel waterproof plate
04/30/2014CN103758540A Underground truck-mounted grouting system
04/30/2014CN103758539A Steel belt for bolt-grouting supporting
04/30/2014CN103758538A Cracked roof caving region grouting filling similar simulation method
04/30/2014CN103758537A Boom system of wet spraying machine
04/30/2014CN103758536A Shotcreting vehicle
04/30/2014CN103758535A Water and electricity linkage device of full-automatic high-speed concrete spraying machine
04/30/2014CN103758534A Multifunctional concrete wet-spraying vehicle and control method thereof
04/30/2014CN103758533A High-low pressure integrated roadway grouting reinforcement method
04/30/2014CN103758532A Short-term driving reinforcing method for metro shield tunnel pipe piece joint
04/30/2014CN103758531A General method for laying out and assembling wedge-shaped duct pieces
04/30/2014CN103758530A Primary support multiple-arch dual-liner independent underground excavation subway interval structure and construction method
04/30/2014CN103758529A Coal mine gob-side entry retaining side supporting method
04/30/2014CN102758637B Tunnel secondary lining structure composed of profiled steel sheets and concrete
04/30/2014CN102704947B Method for designing thickness of underwater tunnel subsurface excavated construction grouting reinforcement ring
04/30/2014CN102587934B Wet-type full-pneumatic ball valve ejection machine
04/30/2014CN102171412B Method and apparatus for lining tunnel walls or ceilings with protective nets
04/24/2014WO2013053452A3 Holder for casting into a concrete element
04/23/2014CN203559910U Novel waterproof board laying tool
04/23/2014CN203559909U Height-adjustable lining trolley
04/23/2014CN203559908U Supporting structure for roadway baseplate
04/23/2014CN203559907U Backfill grouting system of shield tunneling machine
04/23/2014CN203559906U Supercharged powdery accelerator adding device for concrete wet spraying machine
04/23/2014CN203559905U Shield segment and shield tunnel
04/23/2014CN203559904U Reinforced supporting structure for creating horsehead on reversal borehole wall shaft well side wall
04/23/2014CN203559595U Environment-friendly spraying truck with automatic and continuous material loading function
04/23/2014CN203559437U Tensile multifunctional high-elasticity rubber waterstop with low-temperature resistance
04/23/2014CN203559432U Underground powerhouse vault
04/23/2014CN103748321A A method for constructing a tunnel course, and structural element for use by the method
04/23/2014CN103742178A Deep underground roadway support mechanism
04/23/2014CN103742172A Method for blocking hydrogen-sulfide-contained water bursting point on bottom plate in grouting mode
04/23/2014CN103742171A Mining roadway coal pillar reinforcing method
04/23/2014CN103742170A Wet spraying machine with sliding foldable arm
04/23/2014CN103742169A Tracked wet spraying machine
04/23/2014CN103742168A Independent lining trolley for anchorage holes and opening holes of tunnels
04/23/2014CN103742167A Tunnel segment structure with difference waterproof capability
04/23/2014CN103742162A Shield tunneling machine with synchronous grouting device at top of shield tail and synchronous grouting device
04/23/2014CN103742159A Construction method for large soluble-collapse type karst cave with tunnels passing through
04/23/2014CN103742158A Fore support and excavating method of inclined tunnel
04/23/2014CN103741951A Vehicle-borne external drive-type dry and wet concrete injection machine with automatic feed cavity rotor
04/23/2014CN102587922B Oblique-crossing inclined shaft upper arc guide top brushing construction method for soft crushed rock layer
04/23/2014CN102562099B Method for carrying out rapid face excavation construction of loess tunnel by double rows of small conduits
04/23/2014CN102322275B Corrugated sheet steel channel supporting tube and channel construction process
04/23/2014CN102140920B Tunnel bionic reinforcement bridge
04/17/2014DE202014002499U1 Gitterträger Lattice girder
04/16/2014CN203547763U High backfilling anti-sliding open cut tunnel structure
04/16/2014CN203547762U High-pressure gas sweeping device of concrete spraying machine
04/16/2014CN203547761U Grouting equipment capable of stabilizing slurry of excavated sand layer tunnel face
04/16/2014CN203547760U Base weak stratum channel bent wall belt flat base inverted arch lining structure
04/16/2014CN203547759U Protecting structure of mid-partition of multi-arch tunnel of road
04/16/2014CN203547755U Connecting structure of two non-pressure water delivery tunnels
04/16/2014CN203547097U Light-section tunnel drilling and exploding operation platform
04/16/2014CN203546724U Auxiliary grouting device for PCCP
04/16/2014CN103726857A Flexible die for shield segment
04/16/2014CN102777182B Rapid end extracting method of large mining height working face
04/16/2014CN102518458B Construction method of top beam part of underground bus stop
04/10/2014WO2014054997A1 Device and method for determining at least one parameter, which determines the application of sprayed concrete
04/10/2014US20140100304 Encapsulated activator and its use to trigger a gelling system by physical means
04/09/2014CN203531927U Mine laneway three-dimensional lattice reinforced concrete support
04/09/2014CN203531926U Tunnel construction cross support reinforcing device
04/09/2014CN203531925U Self-propelled integral template of tunnel inverted arch
04/09/2014CN203531924U Lifting type moving trolley provided with tracks, wheels and templates
04/09/2014CN203531923U Moving framework for tunnel groove construction
04/09/2014CN203531922U High-toughness nodular cast iron and reinforced concrete combined tunnel wall plate
04/09/2014CN203531921U Deep hole grouting device used for strengthening tunnel and underground engineering tunnel face
04/09/2014CN203531920U Wet-type hydraulic concrete spraying machine for coal mine
04/09/2014CN203531919U Reinforcing structure of slip casting opening and air discharging hole of concrete filled steel tube support
04/09/2014CN203531405U Spiral and automatic feeding and grout spraying machine
04/09/2014CN203531023U Water-proof and drainage integrated coiled material
04/09/2014CN103717836A Tubing having a thermoplastic barrier layer
04/09/2014CN103713647A Concrete spraying machine, concrete spraying machine control method, concrete spraying machine control device and concrete spraying machine system
04/09/2014CN103711504A Propelling method for combined portion between shield tunnel segment and mine tunnel segment in subway tunnel
04/09/2014CN103711503A Pipe piece mounting device
04/09/2014CN103711492A Pipe-jacking type cable sleeve passage construction method
04/09/2014CN102767378B Method for constructing distyle tunnel portal by framed bent
04/09/2014CN102650212B Construction method for protecting partition wall in double-arch tunnel through temporary support of middle pilot tunnel
04/09/2014CN102434171B Tunnel bottom concrete side-slipping lining construction method and side-slipping needle beam bottom board trolley
04/08/2014US8690478 Tunnel reinforcement structure and tunnel construction method capable of controlling ground displacement using pressurization
04/08/2014CA2560089C Device for coating tunnel walls
04/03/2014WO2014047721A1 Drill and blast method and apparatus for the same
04/02/2014CN203515609U Strong compression-resistant net
04/02/2014CN203515608U Mold base for integrally forming tunnel ditches and cable trenches
04/02/2014CN203515607U Adjustable steel mould trolley of tunnel widening section
04/02/2014CN203515606U Uniform friction device for rubber friction block of concrete spraying machine
04/02/2014CN203515605U Surface cleaning device for rotor body of concrete spraying machine
04/02/2014CN203515604U Tunnel Support structure for schist layer in deformation
04/02/2014CN203515603U Double-layer hollow steel pipe concrete support component
04/02/2014CN203515602U Pneumatic liquid accelerating agent adding device
04/02/2014CN203515601U Tunnel coated distribution machine
04/02/2014CN203515600U Triple-changing steel die trolley
04/02/2014CN203515599U Hollow tube body and concrete support
04/02/2014CN203515598U Tunnel supporting structure bridged active fault
04/02/2014CN203515597U Tunnel structure applicable to soft stratum
04/02/2014CN203514210U Novel supporting structure for bridge openings and tunnels
04/02/2014CN103696787A Deformed steel bar high-pressure grouting bolt and supporting method for reinforcing roadways
04/02/2014CN103696786A Arch support connecting method for enhancing longitudinal stability between steel arch supports
04/02/2014CN103696785A Dry-and-wet dual-use automatic continuous slurry loading and spraying car
04/02/2014CN103696784A Large-diameter long pipe curtain construction method for shallowly-buried large-span under-tunnel-passing architectural structure
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