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Matches 1 - 50 out of 64,343

Document Document Title
WO/2019/095006A1
A rock bolt (10) to be received in a drilled hole comprising a threaded shaft (12) and a sleeve (14) into which the shaft (12) is received. A plurality of openings (38) are provided along the length of the sleeve (14) and clamping assemb...  
WO/2019/094723A1
A pumpable resin system for installation of mine bolts includes a resin injection cylinder comprising a resin chamber and a resin hydraulic cylinder, a catalyst injection cylinder including a catalyst chamber and a catalyst hydraulic cyl...  
WO/2019/091981A1
The present invention relates to a method for inspecting and/or guiding excavation (E) operations, comprising the following steps: a) (i) georeferencing a first acquisition device (10) for acquiring the relief in the excavation, in a gen...  
WO/2019/085424A1
A smart grouting method for geologically complex regions, in which the coefficient of permeability of grouting holes in a region is obtained from water permeability tests, an optimal grout concentration for each grouting hole is determin...  
WO/2019/085819A1
A process for supporting an anchor bolt and an anchor cable on a successive mining working face. A four-arm top anchor bolt drill carriage serves as a front carriage, a six-arm side anchor bolt and top anchor cable drill carriage serves ...  
WO/2019/088921A1
The present invention relates to a method and system for reinforcing a portion of the excavated ground that provides in-situ support to freshly excavated ground immediately during tunnel boring machine (TBM) excavations. The present inve...  
WO/2019/047997A4
The invention relates to a self-supporting reinforcement system for the concrete lining of the inner shell of a tunnel construction. The object of the invention is that of supporting the outer shell (15) or rock wall of a tunnel construc...  
WO/2019/088925A1
Disclosed herein is a process of forming an inorganic water barrier layer on top of a porous substrate by means of microbially induced calcium carbonate or calcite precipitation (MICP), the process comprising the steps of: providing a po...  
WO/2019/083430A1
A method (200) for ensuring the quality of a multi-component mixture comprising at last two components, in a system (100) for rock reinforcement is described herein. The system (100) comprises a first (1 ) and a second (3) channel for a ...  
WO/2019/076057A1
Provided is a box-culvert relay push system (100) having a push apparatus and a box-culvert push block connection structure. The box-culvert relay push system (100) is arranged to push a box culvert (20) into a tunnel (200), and comprise...  
WO/2019/042483A3
Provided are a TBM boring rock state real-time sensing system and method, used to solve the problem that existing means cannot effectively reflect a TBM tunnel boring rock state in real time so as to facilitate the selection of a suitabl...  
WO/2019/076053A1
An interjack station-based box culvert jacking system (100) and a method for using same. The interjack station-based box culvert jacking system (100) is provided to jack box culverts (20) into a tunnel (200), comprises an operating platf...  
WO/2019/076056A1
A box culvert relay jacking system (100) having a movable mechanism (60). The box culvert relay jacking system (100) is configured to jack box culverts ((20) into a tunnel (200)., The system (100) comprises a working platform (10) provid...  
WO/2019/076055A1
An interjack station-based box culvert jacking system (100) having a jacking frame assembly (32). The interjack station-based box culvert jacking system (100) is provided to jack box culverts (20) into a tunnel (200), and comprises an op...  
WO/2019/051512A3
Rock anchor assembly (10), including: a tubular sleeve (12) which extends between a first end (56) and a second end (58) and which has anchor retaining portion (62) which opens on the second end (58); a rock anchor (14) with an elongate ...  
WO/2019/070182A1
The present disclosure relates to a sealing device (10') adapted to be positioned within a domed bearing plate and mounted around a portion of a rock bolt protruding from a surface, the sealing device comprising: -a body consisting of a ...  
WO/2019/068787A1
Holding system for a twist nail, comprising a movable ball body (2) which receives within it a twist nail (15) having a thread (16) and which is arranged in an opening (22) of a holding plate (9, 10, 10a, 10b, 10c), wherein the ball body...  
WO/2019/062283A1
A method for determining the feasibility of non-pillar gob-side roof-caving roadway formation, comprising: step I, determining an immediate roof thickness MZ and a burial depth W, and calculating a roadway gob-side lateral hanging roof l...  
WO/2019/056794A1
A method for constructing a cavity behind a tunnel lining comprises the following steps: drilling a pouring hole in a surface of a lining; mounting a pouring pipe inside the pouring hole; pouring foam concrete into a cavity behind the li...  
WO/2019/059776A1
The present invention disclose a tunnel profile element (10, 20A, 20) comprising a lightweight body constituted by foam glass panels sprayed with unbroken polyurea layer providing a fire resistant coating, and which is providing increase...  
WO/2019/053653A1
The invention relates to a sleeveless energy absorbing rock bolt. A first end of the rock bolt is configured to facilitate the mixing of an anchoring composition and/or anchoring the rock bolt in the rock. The rock bolt comprises mangane...  
WO/2019/052331A1
Disclosed is a self-drilling differential grouting combined bolt, which is composed of a drill (1), a grouting pipe (2), a spindle (3), a bolt head mechanism and a bolt tail mechanism, wherein the drill (1) is connected to a front end of...  
WO/2019/056025A1
An expansion assembly for a rock bolt (40) which includes: an expansion shell (12) which extends between a distal end and a proximal end, the shell comprising a joining formation (24) and a plurality of expansion leaves (22), each having...  
WO/2019/052594A1
The invention relates to a conveying and transport system for tunnel constructions, having a twin-rail overhead track system which comprises a roof-mounted track (1) consisting of two lines (2, 3) of rails (4) arranged parallel alongside...  
WO/2019/051512A2
One aspect of the invention provides a rock anchor assembly which includes: a tubular sleeve which extends between a first end and a second end and which has anchor retaining portion which opens on the second end; a rock anchor with an e...  
WO/2019/047997A1
The invention relates to a self-supporting reinforcement system for the concrete lining of the inner shell of a tunnel construction. The object of the invention is that of supporting the outer shell (15) or rock wall of a tunnel construc...  
WO/2019/046883A1
An encapsulation system (100) for use in securing a rock bolt in a bore hole drilled into a rock face to be stabilised, said encapsulation system comprising at least two separate encapsulation mediums (112,122) and one or more elongate c...  
WO/2019/040980A1
In accordance with the present invention, there is provided a conveyor skirt system, the system comprising: a support member (33); a series of skirting panels (24) releasably fixed to the support member (33); a rail assembly (56) positio...  
WO/2019/043592A1
The invention relates to a kibble tipping arrangement, which is used in a mining operation where a kibble (12) is vertically displaceable along a kibble displacement path to transport excavated material ia a vertical mineshaft to the sur...  
WO/2019/042483A2
Provided are a TBM boring rock state real-time sensing system and method, used to solve the problem that existing means cannot effectively reflect a TBM tunnel boring rock state in real time so as to facilitate the selection of a suitabl...  
WO/2019/046253A1
An autonomous roof bolter includes a material handling system having a storage pod with a plurality of spaced, fixed holders, each receiving at least one of a plurality of roof bolts. A guidance system may automatically guide the roof bo...  
WO/2019/038239A1
The present disclosure relates to an apparatus (1) for forming a mould cavity (4) to form a wall section (2) of a cast-in-place wall. The apparatus (1) includes a plurality of forming plates (5-n) for forming a support wall (6) which def...  
WO/2019/038247A1
A rock bolt and meshing assembly for installation of meshing sheet against a surface of rock strata. The rock bolt comprises an adapter having a first portion connectable to a trailing end of an elongate shaft of the rock bolt and an elo...  
WO/2019/028495A1
A tunnel boring machine for boring a tunnel in rock including: locating means mounted to a frame for supporting and locating the frame in a disposition with respect to a tunnel axis and a boring face of the tunnel being bored; a first bo...  
WO/2019/033133A1
A rock bolt which includes an elongate tubular member (14), a sacrificial drill bit (20) at one end of the member, a flushing passage (42) to direct fluid to the drill bit (20), and a valve (34) which closes the passage (42) thereby to a...  
WO/2019/029254A1
The invention provides a cutterhead temperature detecting device and a shield tunneling machine. The cutterhead temperature detecting device comprises a temperature acquisition module (1), a control module (2), a sending module (3), a re...  
WO/2019/025959A1
A mobile tunnel boring unit is disclosed, comprising a support body driven by first drive means, the first drive means including a pair of spaced apart crawler tracks in contact with the tunnel floor and related track driving means to mo...  
WO/2019/023952A1
A method for monitoring vibration and strain of key parts of a tunnel boring machine, and a monitoring device and an all-day monitoring and early warning system thereof. A vibration and strain sensor and a wireless data transmission syst...  
WO/2019/024613A1
Disclosed is a corrugated plate assembly (100) for supporting for tunnels, comprising a plurality of corrugated plate units (110) connected to each other in the transverse and longitudinal directions. The longitudinal edge of each corrug...  
WO/2019/023719A1
The invention provides a grout anchored rock bolt which includes an elongate cylindrical body of a suitable material which has at least one integral anchor portion which comprises of a plurality projection, each of which extends laterall...  
WO/2019/020009A1
Disclosed is a horseshoe-shaped boring machine propelled by a track, the machine comprising a cutterhead device (1) arranged at the front end, wherein the cutterhead device (1) is mounted on an anterior shield (2) and is connected to a d...  
WO/2019/015730A1
The invention relates to a sealing profile for embedding into a moulding of curable material, in particular a concrete or plastic moulding, and to a sealing arrangement comprising such a sealing profile. The object of the present inventi...  
WO/2019/016462A1
A method for converting a shaft (10) of a mine in order to store thermal energy by using water stored in the shaft, the mine comprising at least one gallery (11) passing through or opening into the shaft, the method comprising the format...  
WO/2019/013328A1
In an aspect of the present invention, a screw conveyor comprises a helical auger and a central shaft that extends along the center line of the auger and that is formed in the same topological helix as the auger. In another aspect of the...  
WO/2019/006896A1
Disclosed are a rigidity-flexibility-coupled tunnel monitoring support comprehensive system and method. The system comprises a plurality of parallel support arches, wherein the support arches comprise a plurality of rigid support units (...  
WO/2019/007127A1
A shield cutter head mud cake cutting device and cutting method. The cutting device comprises a high pressure jet means (2). The high pressure jet means (2) comprises a self-rotating sprayer (2-1) and a barrel (2-14) mounted on a cutter ...  
WO/2019/000907A1
A large-deformation constant-resistance anchor bolt and anchor cable grouting support, and roadway quantitative support method. The anchor bolt comprises a bushing (1), a hollow bolt body (51), an anchor cylinder (3), a support plate (6)...  
WO/2019/000839A1
The present invention relates to the field of mining engineering. Provided is a monitoring method integrating three aspects of data relating to strata control, comprising: downhole pressure observation, in which a pressure monitoring dev...  
WO/2018/233354A1
A car frame traveling type shield tunnel wall post-grouting detection apparatus, comprising a car frame traveling type automatic conveying device, an air-coupled ground penetrating radar (1), and intelligent wall post-grouting body proce...  
WO/2018/232532A1
A method for drilling a tunnel through a formation must address environmental concerns. One tunneling method comprises the steps of: preparing a mixed metal-viscosified drilling fluid including bentonite, a mixed metal viscosifier and co...  

Matches 1 - 50 out of 64,343