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WO/2017/156970A1 |
A drilling and bursting heading machine, comprising a drilling and bursting device (1), an angle control device, a forward-backward telescopic device, and a cantilever type heading machine (2). The drilling and bursting device (1) is mou...
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WO/2017/156559A1 |
The invention provides an expansion lug which engages a rock bolt to provide a tapered surface upon which an expansion sleeve of a mechanical anchor acts to radially expand to mechanically anchor the rock bolt in a rock hole, the lug inc...
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WO/2017/153449A1 |
The invention relates to a method of underground boring utilizing a shield boring machine and a foamed aqueous composition.
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WO/2017/149371A1 |
The invention relates to a prefabricated modular energy segment (1) comprising a structural element (2) having a main development direction (20) and at least one pipe network (3) formed of a plurality of linear portions (5), a plurality ...
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WO/2017/144090A1 |
The invention relates to a mesh handler (1) for a mining machine (1000), comprising a generally U-shaped frame (2) for receiving and positioning a mesh (100) against a roof (110) portion of an underground tunnel; the frame (2) comprising...
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WO/2017/147262A1 |
A load bearing support includes a cylindrical drum. A top portion, a bottom portion, a tapered cylindrical sidewall extends between the top and bottom portions. A core member extends between the top and bottom portions, and a load-bearin...
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WO/2017/147626A1 |
An adhesive pump (16) and a system for pumping a resin into a hollow rock anchor (12) wherein the adhesive pump includes a tubular housing (28) and a cartridge (32A) within the tubular housing having a leading end and an opposed trailing...
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WO/2017/143232A2 |
A robotic drilling system for creating tunnels and conduits is disclosed. The robotic drilling system can include a drill module, a frame module, and/or a shuttle module. The drill module can include a drill and is used to drill into a m...
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WO/2017/138699A1 |
The present invention relates to an excavation earthwork volume management method for managing an earthwork volume, which is generated by discharging, to the outside through a transportation means, soil generated by excavating an undergr...
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WO/2017/136880A1 |
A rock bolt adapter for a drill assembly comprising a drill and a rock bolt with an internal axial passage between a leading end of the rock bolt and a trailing end of the rock bolt, the rock bolt adapter comprising: (a) a leading end ad...
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WO/2017/133986A1 |
The invention relates to a tunnel boring device for creating a bore from a starting point to a target point in the ground, along a predefined boring line by advancing the tunnel boring device in order to create a tunnel or for laying a p...
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WO/2017/133987A1 |
There are provided a method for the bottom-side separation of a body which is to be worked out of rock (2000), in which a first part of the bottom surface of the body to be worked out of the rock (2000) is separated by removing the rock ...
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WO/2017/134420A1 |
A tunnel segment gasket (1,1') comprising a shaped profile (3,3') having at least two anchoring legs (5,5') for casting in to a tunnel segment (6, 6'); a plurality of longitudinally extending bores (7,7'); a shot film joint (43') and a s...
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WO/2017/128716A1 |
Disclosed are an anti-spalling blocking bar for a large cross-section coal gallery excavation work surface and a supporting method. The anti-spalling blocking bar comprises a blocking bar (1) and a support bar (7). Both a top portion of ...
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WO/2017/127900A1 |
A crib element comprising a unitary engineered wooden member having in a preferred embodiment at least a pair of notches in an upper edge and at least a pair of notches in a lower edge to form a central web therebetween, each notch space...
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WO/2017/124431A1 |
A squeezing device for an underground project, comprising a guide body, a vibration system, a lubricating system, a guide system, a cutting mechanism and a gate, wherein the vibration system is located on four walls of the guide body, th...
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WO/2017/127009A1 |
Mining machine (1) for driving tunnels, said mining machine (1) including: a cutting head (5) having rock engaging cutting elements (5ยด), a rotator (32) for driving said cutting head (5), means for forcing the cutting head against rock ...
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WO/2017/125127A1 |
The present invention relates to an advance working and loading machine and to a method for quarrying rock using such a machine. Rock is quarried with an attachment implement (30) on an adjustable boom arm (20). The quarried rock is rece...
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WO/2017/125307A1 |
A feed apparatus (3) for feeding cement to a cement silo (2) of a mining machine (1) comprises a receptacle (5) for receiving cement, a transfer tube (6) connected at a first end (6a) to the receptacle (5) for guiding the cement from the...
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WO/2017/125126A1 |
The invention relates to a header and loading machine (10) and to a method for excavating rock using such a machine. Rock is excavated using work attachments on an adjustable boom arm (20). The excavated rock is received by a loading tab...
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WO/2017/120633A1 |
The present invention relates to a point anchoring device adapted to be used with a pre-existing friction stabiliser having a tube embedded in an elongate hollow in the ground. The point anchoring device includes an elongate bolt and an ...
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WO/2017/120694A1 |
A multi-functional boring machine capable of stone production, comprising a slab conveyor (1) and a waste conveyor (2) installed onto a crawler undercarriage (3). A waste lifting device (66) is installed at a front end of the waste conve...
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WO/2017/119145A1 |
A rock bolt 1 embedded in a hole 103 provided in natural ground 101 comprises: a movable-side rod body 3 arranged inside the hole 103 and having movable-side extension sections 16, 17, 18 that are elastically deformable; a fixed-side rod...
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WO/2017/119271A1 |
A rock bolt 1 embedded in a hole 103 provided in natural ground 101 comprises: a movable-side rod body 3 arranged inside the hole 103 and having movable-side extension sections 16, 17, 18 that are elastically deformable; a fixed-side rod...
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WO/2017/115240A1 |
An apparatus for the production of holes in walls of a tunnel comprises a carriage (11) designed to travel along rails inside the tunnel, a mechanical drilling arm (13) mounted on the carriage and provided with a drilling head (14), a ca...
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WO/2017/111207A1 |
The present invention relates to a self-diagnosis type ground anchor and a construction method, the ground anchor comprising: a bond length located at a predetermined depth of a boring hole excavated from a target surface of the ground; ...
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WO/2017/108382A1 |
Disclosed is a liquid foaming additive for use in mechanised excavation by a tunnel boring machine, containing 5-40% by weight of one or more surfactants, 0.01-5% by weight of one or more biopolymers, and 55-94.09% of water.
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WO/2017/100818A1 |
A friction bolt assembly (100) has a longitudinally extending generally tubular friction bolt body (110) defining a cavity (113) and having a split longitudinally extending along the friction bolt body (110). A rod (120) longitudinally e...
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WO/2017/102070A1 |
A milling device (14) for excavating mining materials (260) is disclosed. The milling device (14) comprises a milling drum (15) rotatable about a drum axis (200); a first group of excavating heads (18, 18', 18") arranged around a periphe...
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WO/2017/099304A1 |
Disclosed is a reinforcing structure for a large corrugated steel plate, the structure comprising: a small corrugated steel plate (10) having two protrusions (11), three depressions (12), and coupling portions formed in the depressions (...
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WO/2017/098082A1 |
The invention relates to a mesh for mining and subterranean constructions, the mesh comprising a first edge rod and a second edge rod which are parallel to each other and a plurality of straight rods, which arranged between the first edg...
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WO/2017/100806A1 |
The Invention provides, in a first aspect, a rock bolt assembly for installing a mesh panel against a rock face which includes a rock bolt which has an elongate body extending between a first end and a second end, a cylindrical bush enga...
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WO/2017/093138A1 |
A friction bolt assembly to frictionally engage a bore formed in rock strata. The assembly comprises an elongate tube and an expander mechanism acted on by an anchor mechanism via an elongate bar or cable. A retainer mechanism is mounted...
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WO/2017/090975A1 |
The present invention relates to a tunnel construction method and, particularly, to a tunnel construction method for installing an intra- or extra-tunnel pre-support member along with a post-support member and an apparatus suitable for t...
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WO/2017/091378A1 |
A method for mining using a laser to cause spalling includes the steps of generating and delivering a laser beam to a work surface of a geological strata having a sought after mineral to be removed from the stratum; moving the laser beam...
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WO/2017/089519A1 |
The invention relates to a closure cover (11) for a sleeve (10) which is received in a concrete component (2) and is connected to a plastic cladding (8) arranged on the inner face (6) of the concrete component (2). The closure cover (11)...
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WO/2017/079808A1 |
The present invention provides a safety system (1) for protecting against a hazard of a drill rod failure in a drilled rock bore (B) above horizontal, and especially a hazard posed by a broken drill rod section (S) lodged within the bore...
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WO/2017/083119A1 |
A cutter disc for a tunnel boring machine includes a middle disc portion defining a radially outer surface or edge for engaging a surface, a left toothed portion defining a first set of teeth set back from the outer edge, and a right too...
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WO/2017/081990A1 |
A segment 3 is made from concrete and has an external shape substantially the same as a segment used in shield tunneling. That is, the segment 3 comprises arc-shaped curved faces that face each other and side faces to couple the curved f...
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WO/2017/075742A1 |
A device and a process for receiving a slurry-balanced pipe jacking machine in a high-water-pressure condition. As to the device and the process, a steel brush is used as a first water-stopping curtain of a pressurized receiving cabin, t...
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WO/2017/075266A1 |
An inline mounting assembly (100) for a TBM cutter assembly (115) includes first and second housing mounts (120), having upper and lower ear portions (121), and an inline channel (123) sized to receive an end of the cutter assembly. The ...
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WO/2017/071000A1 |
Disclosed is a suspension hydraulic support, comprising a top beam (1), a shield beam (2), a lifting support (3), a base (4), an adjustable jack (5), two suspension hydraulic vertical columns (6), a lowering apparatus (7), a pushing appa...
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WO/2017/071001A1 |
A four-column suspension hydraulic support comprises a top beam (1), a shield beam (2), a lifting support (3), a base (4), four suspension hydraulic vertical columns (5, 6), a lowering apparatus (7), a pushing apparatus (8), an assisting...
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WO/2017/073946A1 |
Disclosed is a direction control device for a tunnel boring machine, wherein, when the calculated power levels of a plurality of electromagnetic waves are different, it is determined that the tunnel boring machine deviates from a planned...
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WO/2017/074190A1 |
The invention relates to a construction element (4for covering a concrete surface (20), a construction comprising said construction element (4) and a method for covering a concrete surface (20) with said construction elements (4). The co...
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WO/2017/075272A1 |
A cutter assembly (100) includes a disc subassembly (110) rotatably mounted on a shaft (102) with bearing assemblies (104A, 104B), and end retainers (106A, 106B). The disc subassembly includes a first hub member (120) having a tubular po...
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WO/2017/067956A1 |
The present invention pertains to a fastening system for chemically fastening of anchoring means in mineral surfaces, such as structures made of brickwork, concrete, pervious concrete or natural stone. The fastening system comprises a ch...
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WO/2017/063692A1 |
The invention relates to an extendable apparatus, in particular an extendable apparatus for a drill head. The invention further relates to a drill head comprising an extendable apparatus, and a method of operating a drill head. The exten...
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WO/2017/063370A1 |
A self-moving hydraulic end-face support based on a parallel mechanism and application thereof. The support comprises a front hydraulic support and a rear hydraulic support; the front and rear hydraulic supports are connected to each oth...
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WO/2017/061657A1 |
The present invention relates to a waterstop gasket for preventing water from infiltrating into a tunnel through a tunnel wall from the outside of the tunnel. A TBM method is a method for forming the tunnel wall by assembling concrete se...
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