| 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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| 04/15/2009 | CN101408110A Application of polyurea as drilled shaft underground excavating tunnel water-proof material |
| 04/15/2009 | CN101408109A Diversion shield tunnel traversing new sea dyke and foundation treatment method thereof |
| 04/15/2009 | CN101408106A Small tube shed pre-grouting method |
| 04/14/2009 | US7516802 Assembly and method for determining thermal properties of a formation and forming a liner |
| 04/08/2009 | CN201218102Y Full-automatic piping system used for template trolley |
| 04/08/2009 | CN101403305A Construction method for tunnel continuous mucking, lining and excavation synchronization |
| 04/02/2009 | WO2009039667A1 Systems for exploiting the thermal energy at the bottom of the ocean |
| 04/01/2009 | EP2042687A1 Waterproof sheet for tunnel |
| 04/01/2009 | EP2042686A1 Elasticity element |
| 04/01/2009 | CN201214860Y High-molecular self-adhering water-proof rolled material |
| 04/01/2009 | CN101397910A Tunnel structure with rectangle shaped prefabricated element |
| 03/25/2009 | CN201212157Y Basement engineering external wall, top board waterproof post-pouring zone and deformation joint structure |
| 03/25/2009 | CN101392654A Shield tunnel segment lining-anchor rod structure system |
| 03/24/2009 | CA2542535C Method for preparing in-ground tunnel structures |
| 03/18/2009 | CN201209450Y Spiral feeding device of concrete injection machine |
| 03/18/2009 | CN101387202A Method for enlarging and digging tunnel portal at weak surrounding rock section in tunnel |
| 03/18/2009 | CN101387158A Power drive apparatus for concrete wet sprayer and concrete wet sprayer |
| 03/12/2009 | WO2009031910A1 A way of constructing and renovating the pipeline especially an underground one, and a set of devices for using this method |
| 03/11/2009 | CN100467829C Water-protection coal-mining method using structural key layer as waterproof layer |
| 03/05/2009 | DE10119988B4 Verdübelungs-Vorrichtung für die Ringelemente einer Tübbingauskleidung für unterirdische Bauwerke Doweling device for the ring elements of a segmental lining for underground structures |
| 03/04/2009 | CN100465412C A quick water blocking device and a water blocking method in anchor cable holes |
| 02/25/2009 | CN100464056C Technique for strengthening boundary face of functional gradient material of shield duct piece by using FRP rib |
| 02/25/2009 | CN100464055C Construction method of shallow buried underground excavating tunnel super large section using PBA method |
| 02/18/2009 | CN201196094Y Hydraulic template trolley for rail tunnel liner concrete |
| 02/18/2009 | CN201195849Y Geomembrane with coarse surface |
| 02/11/2009 | EP2021582A1 Sliding seal |
| 02/11/2009 | CN101363323A Pre-stress lining design method for shield tunnel |
| 02/04/2009 | CN201190790Y Porous elastic combined seal pad of ethylene propylene terpolymer |
| 02/04/2009 | CN201190569Y Tunnel invert slipform apparatus |
| 02/04/2009 | CN201190424Y High-pressure filling and deep plugging machine |
| 02/04/2009 | CN201190377Y Waterproof roll of self-adhering polymer modified bitumen polyester tyre |
| 02/04/2009 | CN101360885A Rondelle unit and method of mounting the same |
| 02/04/2009 | CN101358530A Tunnel segment steel mould with super large diameter |
| 02/04/2009 | CN101358529A Short tube and short tube sand consolidation agent strengthening construction process |
| 02/04/2009 | CN100458102C Steel plate-concrete composite lining |
| 02/03/2009 | CA2424589C Fire-protection material |
| 02/03/2009 | CA2411273C A tunnel waterproofing method |
| 01/28/2009 | CN201187304Y Combined type lining trolley |
| 01/22/2009 | DE10020926B4 Gelenkige Doppelstabverbindung für Längsgurte von Gitter- oder fachwerkartigen Segmenten für den Berg- oder Tunnelausbau Articulated double-rod connection for longitudinal belts of grid or lattice-like segments for mining or tunneling |
| 01/21/2009 | CN201183959Y Composite water drain-proof plate |
| 01/21/2009 | CN101349154A Structure construction method for forming subterranean tunnel |
| 01/14/2009 | EP1779017B1 System for transferring a tensile load in axial direction between concrete pipes |
| 01/14/2009 | CN101344006A Tunnel fire-proof slab and preparation method thereof |
| 01/14/2009 | CN100451295C Tunnel dredging method suitable for railway large section IV, V class rock tunnel |
| 01/08/2009 | WO2009005438A1 A draining pipe mesh |
| 01/08/2009 | WO2009004125A1 Reinforced construction element |
| 01/08/2009 | CA2691934A1 Reinforced construction element |
| 01/07/2009 | CN201176640Y Grouting type expansion steel edge water-stop meet with water |
| 01/07/2009 | CN101338682A Subway dedicated shield tunneling segment prefabricated construction method |
| 01/07/2009 | CN101338681A Shield tunneling segment pretightening device |
| 01/07/2009 | CN101338680A Construction method for pretightening digging tunnel segment |
| 01/07/2009 | CN101338679A Deep well great section loose wall rock laneway support method |
| 01/07/2009 | CN101338678A Supporting arch hidden digging top-down construction method |
| 01/07/2009 | CN101338677A Synchronous construction method for shield method tunnel |
| 01/01/2009 | US20090003934 Mapping of contaminants in geologic formations |
| 12/31/2008 | CN201173130Y Linked sprayer for coal mine spraying concrete and blasting |
| 12/31/2008 | CN201173122Y Sprayed concrete pressurizer |
| 12/25/2008 | US20080317952 Device for Coating Tunnel Walls |
| 12/25/2008 | US20080315665 Apparatus for assembling a liner |
| 12/24/2008 | CN201170101Y Connecting piece for shield tube sheet |
| 12/24/2008 | CN201168662Y High pressure rock surface cleaner |
| 12/24/2008 | CN100445516C Shield tunnel subsidence control method based on exploring radar |
| 12/23/2008 | CA2583508C Method and system for mining hydrocarbon-containing materials |
| 12/17/2008 | CN201165660Y Steel pipe hole bottom grouting apparatus |
| 12/17/2008 | CN101324076A Waterproofing sheets of self-adhesion type, waterproofing method and waterproofing structure using of the same |
| 12/17/2008 | CN101324073A Building method of floor fissure strata tunnel deformation joint anti-seepage structure and anti-seepage structure |
| 12/16/2008 | CA2317000C Device for joining two concrete members together |
| 12/10/2008 | CN201162536Y Tunnel steel arch frame lock foot anchoring stock net-spraying composite structure |
| 12/10/2008 | CN101319612A Electrochemical stabilization method for soft rock |
| 12/10/2008 | CN101319505A Civil air defense cavity with energy-absorbing water-proof and pressure-proof function |
| 12/03/2008 | CN201159084Y Slip form bracing stick joint |
| 12/03/2008 | CN201158829Y Thermoplastic polyolefin water-proof coiled material |
| 12/03/2008 | CN101314663A Chemical slip casting material for mining |
| 12/03/2008 | CN100439611C Denticulation of concrete joints |
| 11/19/2008 | CN201152177Y Tunnel segment steel mould bolt hole guide stem spring locking device |
| 11/13/2008 | US20080279627 Method and Apparatus for Introducing a Roadway Support |
| 11/13/2008 | DE102007019276A1 Method for construction of tunnels by prefabricated concrete tunnel sections employed in crossing of rivers, involves fixing guide rails with axle supported rolling elements e.g. roller or ball in tunnel shoring for loading tunnel section |
| 11/05/2008 | CN201144706Y Anti-hydraulic pressure lining structure system |
| 11/05/2008 | CN101299008A Trial model capable of simulating shield tunnel pipe slice joint and manufacturing method thereof |
| 11/05/2008 | CN101298839A Tunnel concrete lining formwork apparatus |
| 11/05/2008 | CN100430637C System for transferring a tensile load in axial direction between concrete pipes |
| 10/29/2008 | EP1984310A1 Use of high performance concrete mixes for making or protecting structural elements resistant to extreme temperature conditions |
| 10/23/2008 | WO2008087537A3 A support net for underground mine supports |
| 10/22/2008 | EP1983157A1 Device for sealing an aperture in a sealing sheeting assigned to a penetration device |
| 10/22/2008 | EP1697616B1 Method for reparing in-ground tunnel structures |
| 10/22/2008 | CN201137497Y Shielding cell connecting structure |
| 10/22/2008 | CN101289938A Subway shield tunnel enlarging station special area and station structure connecting method |
| 10/21/2008 | CA2412014C Polymer modified gypsum membrane and uses therefor |
| 10/16/2008 | WO2008105636A3 Manufacturing method of round surface panel and manufacturing apparatus of round surface panel, round panel lining, and construction method of round panel |
| 10/16/2008 | DE10114625B4 Verfahren zur hydraulischen Stützung eines tunnelförmigen, unterirdischen Hohlraumes zur Verlegung von Rohren und/oder Kabeln Process for supporting a tunnel-shaped hydraulic underground cavity for laying pipes and / or cables |
| 10/15/2008 | EP1979161A1 Multi-layer composite |
| 10/15/2008 | CN201133253Y Tunnel inverting operation trolley |
| 10/15/2008 | CN201133252Y Wet concrete jetting apparatus |
| 10/15/2008 | CN201133251Y Wet-type concrete jetting machine double helix material feeder |
| 10/15/2008 | CN201133250Y Wet-type concrete jetting machine central adding device |
| 10/15/2008 | CN201133249Y Wet-type spraying machine |
| 10/15/2008 | CN201133248Y Orifice sealed double tube back type grouting device |
| 10/15/2008 | CN101285390A Suspended type combined hydraulic automatic top beam device |
| 10/15/2008 | CN101285389A Submarine tunnel composite lining interlaminar water seepage longitudinal cross flow-proof construction method |
| 10/15/2008 | CN101285388A FRP wire cage employed in subway concrete excavation engineering |