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WO/2014/134656A1 |
A laddertube (10) for an underground raise is described having an elongate tube (12) made of a suitably rigid plastics material and adapted to be received in the raise. The tube (12) has a series of steps (14) moulded into an interior si...
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WO/2014/138717A1 |
A method of constructing an inhabitable underground structure is disclosed that comprises the steps: creating a cutout in the earth at a desired location to generally match a desired shape of an interior of the underground structure; app...
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WO/2014/133449A1 |
The invention concerns an arrangement for the detection of the presence of a cavity in a borehole intended for the reception of a comprising an extended reinforcement means that comprises a measurement tube, whereby the measurement tube ...
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WO/2014/128043A2 |
The invention relates to an anchor head (1) for anchoring a tension anchor (2) on the air side of an anchor bore (5), comprising an anchor nut (3) with a threaded bore (17) for screwing onto an anchor thread (19) of a tension anchor (2) ...
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WO/2014/127680A1 |
Disclosed are a scissor-type expansion bolt and the use thereof. The scissor-type expansion bolt comprises a lug nut seat (4) to the top part of which is hinged an expansion plate (1), and a bolt stem (5) matching the lug nut seat (4), a...
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WO/2014/122583A1 |
A connector 100 and associated dynamic testing system 200 and method for testing rock bolts or rock anchors in situ. The connector is attached to a rock bolt/anchor and supports a hanging load via a shaft. The connector has a body of two...
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WO/2014/123467A1 |
Rock bolt (1) comprising at least an elongated body (4), one end of which comprises at least a first external conical portion (16) extending through at least one hole (12) in at least a cylindrical expandable body (5), the hole (12) over...
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WO/2014/114882A1 |
The apparatus for supplying water comprises a pump sump (2) from which at least one pumping station (10) supplies water to a cooling circuit (11), and at least one sump tunnel (3) that supplies water to the pump sump (2) so as to maintai...
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WO/2014/111583A1 |
The invention relates to a method for producing a lining segment made of concrete for lining a tunnel, in particular a traffic tunnel. The lining segment (1) has a convexly curved exterior (2) and a concavely curved interior (3) opposite...
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WO/2014/109122A1 |
This segment roundness measuring device comprises a correction means (31) for correcting positional deviation due to eccentricity of a center of rotation (O1) of an erector turning portion (21) on the basis of an angle detected by an ang...
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WO/2014/103542A1 |
This excavation status monitoring system for tunnel boring machine comprises: detecting units (21 - 26) that are mounted on a cutter head (12) of a tunnel boring machine (1) and that comprise accelerometers for detecting vibration or sou...
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WO/2014/100858A1 |
Disclosed herein is a remote operating vehicle (ROV) for use in a subterranean mining process, such as to extract material from beneath a rock layer. The ROV may be provided as a number of components each including their own umbilical co...
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WO/2014/096725A1 |
The invention relates to a water intake installation making it possible to supply water to at least one heat exchanger cooling circuit of one or more sections (IA) of a nuclear power plant (1), and comprising a suction basin (2) from whi...
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WO/2014/094134A1 |
A mine support assembly for use in a bore hole of a rock comprises a reinforcing member receivable in the bore hole for reinforcing the rock. The reinforcing member extends along a longitudinal reinforcing member axis and comprises an ax...
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WO/2014/090109A1 |
A large mining height filling coal mining hydraulic support with coaxially hinged front and rear top beams comprises a pedestal (13), a front top beam (2), and a forepoling bar (1) connected to the front portion of the front top beam (2)...
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WO/2014/091074A1 |
In a rock anchor bolt a centering member (8) includes an outlet hole (21) for removing any leakage water flowing into a borehole. The rock anchor bolt includes a sealing device (22) provided around the outer end (17) of a tube (14) to se...
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WO/2014/089638A1 |
The present invention relates to an adaptor (1) for connecting a cable bolt tensioner device (11) to a drilling rig (12). The adaptor (1) includes a mount (2) adapted to be connected to the cable bolt tensioner device (11), a base (3) ad...
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WO/2014/091323A2 |
The invention concerns a wall support strap which is typically used to provide localised support to the hanging wall or roof, or other wall of a mine working. The strap (10) of the invention has several tendons (12) which are held togeth...
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WO/2014/088552A1 |
The present invention includes a rock bolt having a longitudinally expandable tube. The tube includes a longitudinally extending depression that defines a temporary enclosed longitudinal passageway. The rock bolt further includes a shiel...
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WO/2014/086297A1 |
A resin cartridge filling method for a roadway roof bolt drill hole. A telescopic tube (2) combined by multi-section casing tubes is used. The telescopic tube (2) is stretched to needed height according to depth of a roof drill hole (5),...
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WO/2014/088382A1 |
A silicate fixing agent with adjustable technological parameters for anchoring bolts, comprising Portland cement, a filler, gypsum, lime and sodium liquid glass as the liquid component, with the following ratios of dry components: 49.4 -...
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WO/2014/080233A1 |
The invention relates to structures, such as offshore structures, associated apparatus and methods. For example, the invention can relate to wind turbine structures, such as piles for offshore wind turbines, and associated apparatus and ...
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WO/2014/078880A1 |
The invention relates to a device for drilling anchor holes in underground mining, comprising a frame (1) that forms parallel displacement guides (2) for both a sliding carriage (3) that can be supported on the surface (9) to be drilled ...
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WO/2014/078878A1 |
Shaft sinking apparatus 12 including a platform 14 having a number decks 16, known as a sinking stage, a vertically displaceable or extendible boom assembly 18, a gear driven slew gear 20 for attachment and operation of said boom assembl...
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WO/2014/075143A1 |
A mine roof crib is made up of slacked chocks, each chock (17) comprises a length of timber and has a first end (19) and a second end (20). Three chocks (17) form a layer (21) with mitred half lap joints at ends of the chocks. The chocks...
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WO/2014/076274A2 |
A machine (10) for installing cable bolts, including a drill (11) for drilling a bore (12) into a rock wall (13), a grout delivery system (15) for delivering grout (16) into the bore (12), a cable dispensing arrangement (24) for dispensi...
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WO/2014/071442A1 |
A rock bolt (10) for a ground support system, the rock bolt comprising an elongate body (12) made of resilient material with high tensile strength, the body having a head (14) at one end and a tip (16) at the other. The rock bolt (10) al...
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WO/2014/071452A1 |
The present invention relates to a device, method and system for the installation of a fixative in a drill hole, such as to secure rock bolts. The device comprises (a) a chamber adapted to hold the fixative, and (b) a thrust member, wher...
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WO/2014/069701A1 |
The present invention relates to a waterproof sheet placed for the purpose of waterproofing during a tunnel construction. The waterproof sheet of the present invention has the simplest possible structure and is used during a tunnel const...
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WO/2014/053669A1 |
A projection device that continuously projects the free interior cross section of a tunnel to be excavated, in which the projector device (11) comprises: a measuring device (12) that acquires data on distances from the physical location ...
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WO/2014/054997A1 |
The present invention relates to a device for applying sprayed concrete to surfaces during tunnel construction and mining, which device is equipped with a radar system composed of at least one radar sensor which is arranged on the circum...
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WO/2014/049529A2 |
The invention provides a stressing device, a nose cone for a stressing device, a locking device for a stressing assembly, a locking assembly for a stressing assembly, a stressing assembly and to a method of installing a stressing device ...
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WO/2014/047721A1 |
Disclosed is a drill and blast method for advancing the tunnel face in a mine, which makes use of a mobile canopy. The mobile canopy having vertical supports connected to a frame that supports a shield. The mobile canopy allows for face ...
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WO/2014/047041A1 |
A liner plate system for lining shafts or tunnels is provided. The system includes a plurality of curved liner plate units and a plurality of line lock plates. Each curved liner plate unit includes a radially outer side and a radially in...
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WO/2014/045204A1 |
The invention relates to an underground mine support (1 ) comprising a fabric container (2) that has a top (3) and a bottom (4), at least one sidewall (5) and an inlet operatively for filler material to be pumped into the container (2), ...
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WO/2014/043470A1 |
A cable bolt comprises a cable having an elongate body with a first end and a second end, a barrel and wedge assembly attached to the cable at a position adjacent to the first end of the cable, and a seal member having a body defining a ...
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WO/2014/041476A2 |
A method of providing an emulsion explosive underground in a mine (10) having a downwardly extending mine shaft (12) and a cage (14) arranged for travelling along the mine shaft (12) includes transferring an emulsion explosive fuel under...
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WO/2014/040116A1 |
A method of installing a rock bolt, the method including the steps of drilling a hole in the region to be stabilised, locating the rock bolt in the drill hole, introducing an expanding filler to the drill hole, and initiating expansion o...
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WO/2014/043726A1 |
A valve which includes a stud (14), fixed to a device (12) which is to be pressurised, a coupler member (16) which is connected to a pressurised water source and an arrangement which retains the coupler member engaged with the stud and w...
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WO/2014/037113A1 |
The invention relates to an arrangement and a method for the high-strength anchorage of a tendon (1) having a tie rod (4) in a structural element (3). To this end, the structural element (3) has a channel (17) in which the end of the tie...
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WO/2014/036616A1 |
A roof mountable support system (1) including a static element (2) arranged to be mounted to a roof of a tunnel or an underground mine and a mobile element (4). The static element (2) includes at least two tracks (8) on which the mobile ...
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WO/2014/036615A1 |
A drill bit (10) for rotary drilling of a borehole has a body (12), a cutting insert (32) at its front end (11), and one or more fluid passages (52a, 52b, 54a, 54b) leading to outlet apertures (56a, 56b, 58a, 58b). The outlet apertures a...
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WO/2014/035316A1 |
The invention relates to a method for bolting comprising the steps of: - providing (s810) drill steels for drilling bolting holes; - providing (s820) bolts for rock reinforcement by insertion into said bolting holes; - providing (s830) d...
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WO/2014/035317A1 |
The invention relates to a method pertaining to a bolting configuration (299) where a drilling unit and a bolting unit are arranged to be supported by a bottom carriage (330) via a respective top carriage (271; 272), wherein said bottom ...
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WO/2014/028973A1 |
A packing plug including an elongate, externally threaded, hollow rod and at least one plug assembly including a first collar located about the rod and fixed relative thereto, a deformable sleeve located about the rod against the first c...
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WO/2014/028966A1 |
A cable bolt assembly (100) comprises a cable (110) longitudinally extending between a cable leading end (110a) and a cable trailing end (110b). The cable (100) comprises a longitudinally extending breather tube (111) defining a breather...
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WO/2014/028924A1 |
An apparatus applies mesh from a roll to a face of a mine passage. A spindle is adapted for supporting the roll of mesh. An arm supporting the spindle extends in a generally vertical direction and is adapted for rotation about an axis al...
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WO/2014/018992A2 |
The invention provides a blast shield for protecting a mine roof support from the impacts of rocks during a blast, said blast shield including a shock absorption layer, which blast shield is, in use, secured to a portion of the outer sur...
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WO/2014/013490A1 |
The present invnetion relates to a system for high-pressure natural gas storage comprising at least one underground bored tunnel, suitable for holding said natural gas under pressure and a process for storing natural gas under pressure.
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WO/2014/010339A1 |
This tunnel excavation method is provided with: a step (first excavation step) in which an excavation machine (10) for performing excavation in a state in which grippers (12a) thereof press against tunnel side walls is used to excavate 3...
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