| 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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| 05/01/2013 | CN202914109U Integral type lining system of light-section cable tunnel |
| 05/01/2013 | CN202914108U Whole circle model board trolley assembly |
| 05/01/2013 | CN202914107U Roadway support truss |
| 05/01/2013 | CN202910997U Lifting mining device for mining automatic loading concrete spraying machine |
| 05/01/2013 | CN103075185A Mine sprayed concrete tubular reversed loader |
| 05/01/2013 | CN103075167A Cloth erection water-proof method for underground top plate sprinkling water |
| 05/01/2013 | CN103075166A Compound self-adhesion high polymer waterproof plate and preparation method thereof |
| 05/01/2013 | CN103075165A Composite supporting method of vertical beam of coal road |
| 05/01/2013 | CN103075164A Double-hole and two-liner sequential isochronous propelling construction process |
| 05/01/2013 | CN103075163A Support change process of second liner construction of large-cross-section tunnel |
| 05/01/2013 | CN103075162A Tunnel portal earth retaining device as well as underground pedestrian passageway construction system and method |
| 05/01/2013 | CN103075156A Chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method |
| 05/01/2013 | CN103075099A Initial lining and ceiling drilling device for thousand-palm compound wagon drill |
| 05/01/2013 | CN103075098A Thousand-palm compound wagon drill |
| 05/01/2013 | CN102182466B Excavating method for jump-digging of double-side wall guide pit combined arch part of tunnel |
| 05/01/2013 | CN102031974B Tubal curtain advanced support constructing method for deep mine roadway of coal mine passing through fault fracture zone |
| 05/01/2013 | CN101638987B Tunnel construction method for crossing high-pressure water-enriched fracture zone with curtain grouting and grout stopping wall |
| 04/28/2013 | CA2775243A1 Free-wheeling-resistant rolls for mining roof support and the combination of a mining machine and such rolls |
| 04/25/2013 | WO2013056450A1 Brushing apparatus for shotcreting machine and sprayer assembly of shotcreting machine |
| 04/25/2013 | WO2013056306A1 Shoring box system and method |
| 04/24/2013 | CN202900867U Fastener and cylinder-shaped structure |
| 04/24/2013 | CN202900289U Continuous loading material pulp shooting machine |
| 04/24/2013 | CN202900288U Steel section skeleton combined structure of tunnel minor radius section lining pouring |
| 04/24/2013 | CN202900287U Secondary lining end mold structure of tunnel |
| 04/24/2013 | CN202900286U 盾构隧道衬砌环 Shield tunnel lining rings |
| 04/24/2013 | CN202900285U Damping shield tunnel structure |
| 04/24/2013 | CN202900284U U-shaped shred capable of wall back filling |
| 04/24/2013 | CN202900283U Concrete-filled steel tube supporting structure |
| 04/24/2013 | CN103061789A Sectionalized waterproof structure for high-water-pressure tunnels |
| 04/24/2013 | CN103061788A Loose broken tunnel top plate reinforcing and supporting method |
| 04/24/2013 | CN103061787A Mining wet type concrete spraying device |
| 04/24/2013 | CN103061786A Technology for reducing noise during concrete spraying in high-noise chamber in coal mine |
| 04/24/2013 | CN103061785A Borehole casing pressure-proof seepage sealing grouting device and process for roadway breaking water burst surrounding rock |
| 04/24/2013 | CN103061784A Slurry filling device for tunnel pipe |
| 04/24/2013 | CN103061783A Retractable steel tube concrete support |
| 04/24/2013 | CN103061782A Large-section earth pressure balancing rectangular jacking pipe joint of motor vehicle tunnel and method for constructing large-section earth pressure balancing rectangular jacking pipe |
| 04/24/2013 | CN103061781A Method for preventing rock burst by manually regulating tunnel surrounding rock support energy dissipation damping characteristics |
| 04/24/2013 | CN103061780A Operating tunnel structure reinforcement construction method through steel ring |
| 04/24/2013 | CN103061779A Novel mine tunnel supporting structure and construction method thereof |
| 04/24/2013 | CN103061776A Method for repairing TBM (tunnel boring machine) cutter head in intra-tunnel high-pressure environment |
| 04/24/2013 | CN103061770A Split tunneling and support method for roadways with near interlayer spacing |
| 04/24/2013 | CN103061270A Whitewashing, reinforcing and renovating method for carbon fiber bar bridges and tunnels |
| 04/24/2013 | CN102287208B Method for installing and erecting tunnel arch frame |
| 04/24/2013 | CN101749030B Porous parallel-connected grouting method and device for reinforcing roadway weak surrounding rock |
| 04/18/2013 | WO2013053604A1 Connection clip for mesh |
| 04/18/2013 | DE102011115715A1 Halterung zum Eingießen in ein Betonelement Support for embedding in a concrete element |
| 04/18/2013 | CA2851778A1 Retaining arrangement for casting into a concrete element |
| 04/17/2013 | CN202883521U Hydraulic system of shotcrete machine |
| 04/17/2013 | CN202882953U Device used for hoisting duct piece |
| 04/17/2013 | CN202882952U Duct piece lift safe limit structure |
| 04/17/2013 | CN202882951U Automatic antifreezing and thermal insulation system of tunnel lining in high and cold area |
| 04/17/2013 | CN202882950U Tunnel second lining rubber water-stop fixing clamp |
| 04/17/2013 | CN202882949U Flood prevention water retaining structure of tunnel open ventilation section |
| 04/17/2013 | CN202882948U Quantitative pressure yielding joint applicable to underground construction supporting arch frame |
| 04/17/2013 | CN202882947U Tunnel double-lining concrete trolley blocking head formwork reinforcing structure |
| 04/17/2013 | CN202882946U Movable module used along with tunnel heightening section heightening template trolley |
| 04/17/2013 | CN202882945U Continuous track walking wet-type shotcrete machine |
| 04/17/2013 | CN202882944U Stirring pot turnover device for shotcrete machine |
| 04/17/2013 | CN202882943U Yielding type restrained concrete arc frame high-strength three-dimensional supporting and protecting system |
| 04/17/2013 | CN202882942U Confined concrete quantifying yielding arch centering based on mining U-shaped steels |
| 04/17/2013 | CN202882941U Mining concrete stirring jet machine |
| 04/17/2013 | CN202882940U Scaffold for belt conveyor |
| 04/17/2013 | CN202882939U Deep soft rock roadway three-dimensional prestress wire backfilling support retaining and protecting system |
| 04/17/2013 | CN202882938U Pre-reinforced structure of sand layer or soil layer tunnel face |
| 04/17/2013 | CN202881775U Counter-arc shape sleeper for managing roadway heaving floor |
| 04/17/2013 | CN103047206A Fast synchronization hydraulic system for segment assembling lifting motion |
| 04/17/2013 | CN103046936A 25U-type steel arch hoop |
| 04/17/2013 | CN103046935A Construction method of annually-perforated long-span mass concrete tunnel lining structure |
| 04/17/2013 | CN103046934A Method retaining and protecting soft surrounding rock roadways by placing hole pressure relief materials |
| 04/17/2013 | CN103046933A Shield station-crossing tunneling and station parallel construction method |
| 04/17/2013 | CN103046740A Large-span moving-door type combined formwork system |
| 04/17/2013 | CN102242635B Embedding construction method of orifice pipe |
| 04/17/2013 | CN102162365B A concrete shotcreting car and a jib system thereof |
| 04/17/2013 | CN101893617B Tester for testing discount rule of water pressure of grouting circle of anti-water pressure emission-limiting tunnel |
| 04/17/2013 | CN101864968B Anti-spouting device for tunnel bottom stratum consolidation and construction method thereof |
| 04/10/2013 | CN202866893U Tunnel net waterproof and drainage plate |
| 04/10/2013 | CN202866828U Seepage-proofing structure of hydraulic high pressure, deeply buried and leakage processing of inclined tunnel |
| 04/10/2013 | CN202866827U Climbing boot type running mechanism for large-gradient tunnel lining trolley |
| 04/10/2013 | CN202866826U Shield tunnel working well outer end socket stratum reinforced structure |
| 04/10/2013 | CN202866825U Orifice sealing device applied to underground cavity water burst section preact grouting |
| 04/10/2013 | CN202866824U Closed type powdery material injection machine |
| 04/10/2013 | CN202866823U Pumping type concrete injection machine |
| 04/10/2013 | CN202866822U Piston rotor of concrete sprayer |
| 04/10/2013 | CN202866821U Novel concrete wet spraying machine |
| 04/10/2013 | CN202866820U One-way grouting pipe under mine |
| 04/10/2013 | CN202866819U Slip casting structure of integrated ballast bed shield tunnel |
| 04/10/2013 | CN202866818U Shield method tunnel circular prefabricated reinforced concrete lining structure |
| 04/10/2013 | CN202866817U Tunnel ruggedized construction of full face dry silty-fine sand layer |
| 04/10/2013 | CN202866816U Earthen archaeological site building mending supporting device |
| 04/10/2013 | CN103033174A Lining reinforcing steel bar scale distance ruler for inverted arch of tunnel and construction method carried out by scale distance ruler |
| 04/10/2013 | CN103032397A Multi-degree-of-freedom parallel tube segment assembling and locating electrohydraulic control system and method thereof |
| 04/10/2013 | CN103032396A Energy-saving shield segment assembling and positioning electro-hydraulic control system adopting load-sensitive technology |
| 04/10/2013 | CN103032392A Composite control hydraulic system for position and speed in rotation movement of duct piece assembly |
| 04/10/2013 | CN103032083A Reconstruction method for water-proof shell |
| 04/10/2013 | CN103032082A Tunnel lining trolley material distribution mechanism |
| 04/10/2013 | CN103032081A Cross-river large-diameter slurry shield excavation and double-lining parallel construction method |
| 04/10/2013 | CN103032080A Support method of weak and broken surrounding rock tunnel |
| 04/10/2013 | CN103032078A Parallel construction method for shield arrival tunnel portal ring beam and shield crossing station |
| 04/10/2013 | CN103032075A Construction method for building ground inlet and outlet type shield tunnel |
| 04/10/2013 | CN103032073A Urban subway mudstone stratum connected aisle and shield tunneling parallel construction method |