| 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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| 07/10/2013 | CN203050734U Clutch type model board trolley |
| 07/10/2013 | CN203050733U Alarming formwork trolley |
| 07/10/2013 | CN203050732U Air pressure distribution device of rotor type concrete spraying unit |
| 07/10/2013 | CN203050731U Grouting trolley for secondary grouting operation |
| 07/10/2013 | CN203050730U Retractable steel tube concrete support |
| 07/10/2013 | CN203050729U Earth pressure balance rectangular jacking pipe joint for large-section motor vehicle tunnel |
| 07/10/2013 | CN203050728U Lining template trolley |
| 07/10/2013 | CN203050727U Lining formwork trolley horizontally-moving upper longitudinal beam structure |
| 07/10/2013 | CN203050726U Traveling mechanism of tunnel lining formwork jumbo |
| 07/10/2013 | CN203050719U Tunnel arch springing circumferential high-pressure ejecting and reinforcing construction device |
| 07/10/2013 | CN203050063U Hydraulic piston type pulp shooting machine |
| 07/10/2013 | CN103195455A Large section tunnel construction support and protection system and construction method under flabby geological environment |
| 07/10/2013 | CN103195454A Pack roadway or chamber supporting method |
| 07/10/2013 | CN103195450A Hydraulic tunnel inverted arch operation trolley and inverted arch construction method |
| 07/10/2013 | CN103195449A Large-span heavy-load open cut tunnel pre-stressed reinforced concrete lining structure |
| 07/10/2013 | CN103195448A Tunnel concrete longitudinal joint treatment method and equipment |
| 07/10/2013 | CN103195447A Construction method of quake-proof tunnel structure penetrating through flexible fracture zone |
| 07/10/2013 | CN103195446A Yielding buffer device for floor heave of soft rock roadway and method for constructing yielding buffer device |
| 07/10/2013 | CN103195445A Self-positioning quick segment erector |
| 07/10/2013 | CN103195444A Long-translation-travel segment erector |
| 07/10/2013 | CN103195443A Deep mining method capable of optimizing support parameters and preventing roadway delaying water gushing |
| 07/10/2013 | CN103195442A Even-grouting structure of coal mine tunnel and construction technology thereof |
| 07/10/2013 | CN103195441A Supporting and reinforcing structure of coal mine tunnel and construction technology thereof |
| 07/10/2013 | CN103195440A Three-layer-structure subway double-line single-pipe circular tunnel |
| 07/10/2013 | CN103195439A Multifunctional working platform car for tunnel construction |
| 07/10/2013 | CN103195433A Method for speedy drivage in large section coal road |
| 07/10/2013 | CN103195432A Weak surrounding rock, tunnel intersection and arc-shaped pilot tunnel construction method |
| 07/10/2013 | CN103195086A Tunnel structure |
| 07/10/2013 | CN102536272B Duct piece carrying device for shield machine |
| 07/10/2013 | CN102287205B Method for improving stability of roadway surrounding rock |
| 07/10/2013 | CN102200018B Bearing structure for reinforcing tunnel |
| 07/10/2013 | CN102155233B Tunnel excavation construction method |
| 07/10/2013 | CN102121388B Method for quickly constructing water gate wall |
| 07/10/2013 | CN101982643B Tunnel prestressed concrete lining structure and construction procedure thereof |
| 07/03/2013 | CN203035206U Waterproof heat-retaining plate for tunnel arch wall |
| 07/03/2013 | CN203035205U U-shaped steel integral support |
| 07/03/2013 | CN203035204U Large-section tunnel second lining grouping formwork trolley |
| 07/03/2013 | CN203035203U Pressure-isolating, permeating and cementing grouting device of borehole casing for roadway water-surrounded broken rock |
| 07/03/2013 | CN103184878A Method for improving second lining construction efficiency in tunnel widening section |
| 07/03/2013 | CN103184877A Method for fixing shield segment |
| 07/03/2013 | CN103184873A Tunneling method for construction with water in underground pipeline |
| 07/03/2013 | CN102287198B Construction method for river-crossing shield tunnel crushed stratum communication channel |
| 07/03/2013 | CN102287194B Construction method of multi-span gently arc tunnel |
| 07/03/2013 | CN102230383B All-hydraulic tunnel inverted arch trestle-type moving die frame |
| 07/03/2013 | CN102022123B Integral lining method for tunnel with altered diameter by model board trolley |
| 06/26/2013 | CN203022771U Device for feeding duct pieces in shield tunneling machine |
| 06/26/2013 | CN203022770U Grouting device for shield tunnel |
| 06/26/2013 | CN203022769U Automatic spouting device under mine well |
| 06/26/2013 | CN203022768U Supercharged addition device for powdery setting accelerator |
| 06/26/2013 | CN203022767U Large-diameter shield tunnel structure provided with tension chord members |
| 06/26/2013 | CN203022766U Rectangular roadway support structure |
| 06/26/2013 | CN203022339U Long-span movable door type combined framework system |
| 06/26/2013 | CN103174440A Pipe piece lifting device capable of extending axially |
| 06/26/2013 | CN103174439A Construction method for shield tunnel slow condensing type synchronous grouting |
| 06/26/2013 | CN103174438A Tunnel vault cavity pumping backfill construction method |
| 06/26/2013 | CN103174437A Underground mine roadway wet-type shotcrete and rock bolt supporting method |
| 06/26/2013 | CN103174436A Slip casting guide pipe and slip casting device provided with same |
| 06/26/2013 | CN103174435A Roadway support method adopting U-shaped canopy frame support structure body |
| 06/26/2013 | CN103174434A Dissymmetric double-linking-arch tunnel structure and construction method thereof |
| 06/26/2013 | CN103174430A Shallow-buried large-span water conveying tunnel three-stage five-step digging method |
| 06/26/2013 | CN102425433B Minus-ring-free originating construction method for constructing sectional shield tunnel |
| 06/26/2013 | CN102305087B Multifunctional machine for spraying mine concrete |
| 06/26/2013 | CN102278116B Device and method for manufacturing underground frozen wall in cold areas in winter |
| 06/26/2013 | CN102071950B Method for protecting shield tail brush and preventing shield tail from seepage |
| 06/19/2013 | CN203008968U Drainage fixing device |
| 06/19/2013 | CN203008931U Tunnel waterproof board with sealing installation parts |
| 06/19/2013 | CN203008930U Sprayed-concrete complex anchor net |
| 06/19/2013 | CN203008929U Subway double-line undermining method tunnel lining structure |
| 06/19/2013 | CN103161479A Inside-hole water shutoff device used in detection of wall rock damage range in upward hole by means of sonic approach |
| 06/19/2013 | CN103161478A Impulse-type grouting method |
| 06/19/2013 | CN103161477A Sand layer space forepoling strengthening technology |
| 06/19/2013 | CN103161476A Mechanical shaft-forming method of shield cutterhead maintenance shaft in tunnel and underground construction |
| 06/19/2013 | CN103161475A Method and special tool for improving mud stability in cellar pool |
| 06/19/2013 | CN103161474A Construction method of down hole interchange roadway |
| 06/19/2013 | CN103161470A Construction method for shield machine to penetrate through large caliber pipeline in long distance |
| 06/19/2013 | CN101864960B Carst region double-arch road tunnel construction method |
| 06/12/2013 | CN202991066U Self-adhesion, infiltrating and draining macromolecular waterproof board |
| 06/12/2013 | CN202991065U Special self-adhesion waterproof roll material for PDI (pre-delivery inspection) wet operation |
| 06/12/2013 | CN202991064U Drive system for concrete wet-blasting trolley and concrete wet-blasting trolley |
| 06/12/2013 | CN202991063U Large-section tunnel hydraulic trolley |
| 06/12/2013 | CN202991062U Multi-section lining trolley |
| 06/12/2013 | CN202991061U Spiral groove type wet-type pulp shooting machine |
| 06/12/2013 | CN202991060U Feeding material plugging device of concrete steel mould lining trolley |
| 06/12/2013 | CN202991059U Stand column of lateral top arc concrete lining steel model board trolley |
| 06/12/2013 | CN202991058U Mechanical arm capable of guniting automatically special for tunnel |
| 06/12/2013 | CN202991057U Pipe piece for a water release type tunnel lining |
| 06/12/2013 | CN202991056U Expansion type insertion joint for shield segment |
| 06/12/2013 | CN202991055U Mine tunnel ring-fixing type supporting structure |
| 06/12/2013 | CN202991054U Novel mine tunnel supporting structure |
| 06/12/2013 | CN202991053U Underground chamber lining structure |
| 06/12/2013 | CN202991051U Reinforcing structure capable of realizing shield reception without using water-stopping cord fabric |
| 06/12/2013 | CN202989952U Tunnel lining structure with pile-foundation bearing arch |
| 06/12/2013 | CN202986260U Polypropylene self-adhesion type waterproof coiled material |
| 06/12/2013 | CN202986259U Self-adhesive waterproof roll material |
| 06/12/2013 | CN202986237U Modified asphalt waterproof roll material with composite copper mold base and root puncture resistance |
| 06/12/2013 | CN202986220U Butyl cross film adhesive waterproof roll |
| 06/12/2013 | CN202986219U Cross film tire adhesive waterproof roll |
| 06/12/2013 | CN103148812A Tunnel contour scanning device and method as well as engineering machinery comprising tunnel contour scanning device |
| 06/12/2013 | CN103147772A Method for supporting steel strip connecting bridge of arch-shaped soft rock roadway with large section |
| 06/12/2013 | CN103147771A Long-span high-backfill open cut tunnel structure |