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Matches 1 - 50 out of 64,713

Document Document Title
WO/2019/192627A1
A buffer system for hydraulic support impact ground pressure resistance, and an application thereof, said buffer system comprising a vertical column, the vertical column comprising a movable column (1), a central cylinder (2), a bottom c...  
WO/2019/186109A1
An anchor system (202) is provided including at least one anchor member for anchoring an item (4, 6) to a surface (8) in use. The anchor member includes first (10) and at least second (204) anchor sections that are detachably attachable ...  
WO/2019/108068A3
A disc (1) for sealed attachment and support of a lining or insulation plate or mat (11) to a supporting surface, such as a wall and/or ceiling in a tunnel (10), the lining (11) being intended to be fixed to the supporting surface by a n...  
WO/2019/184791A1
A hydraulic end die of a tunnel secondary lining trolley, comprising a trolley side-die end die assembly (6) and a trolley top-die end die assembly (10). The trolley side-die end die assembly is fixed at an outer ring of a trolley side d...  
WO/2019/185160A1
A flexible material handling apparatus adapted to be installed on a full face heading machine is provided, comprising a material handling member and a linkage member coupled together in a head-tail manner by a joint connection, the linka...  
WO/2019/184931A1
A structural system for use in an underground neutron power station, the system comprising a main tunnel structural body (1) and at least one branch tunnel structural body (2) connected to one end of the main tunnel structural body (1), ...  
WO/2019/179705A1
The invention relates to a method for formworking a tunnel tube (10), in particular a round circular tunnel tube, wherein a formwork device (12; 40) is used which has formwork elements (16a-2; 48a-c) with a formwork surface (30). The for...  
WO/2019/178857A1
An earth lifting device for a drilling system comprises a drilling unit (300). The drilling unit (300) comprises a fixing device, an excavating device, a water transport device and a mud transport device. The excavating device, the water...  
WO/2019/178932A1
An M-shaped energy-releasing anchor bolt comprises an anchor bolt body (1) respectively provided with a boring head (2) and a threaded fastening section (3) at two ends thereof. A nut (4) is screwed onto the threaded fastening section (3...  
WO/2019/179663A1
In a hydraulic shield support system (100), a plurality of pressure intensifiers (21) are respectively provided for a plurality of hydraulic props (8). Each pressure intensifier (21) is operated to increase a system pressure (P) to an in...  
WO/2019/178856A1
A drilling rescue system, comprising a control unit (200), a power supply unit (100), a drilling unit (300), and a mud processing unit (400), wherein the power supply unit (100) is separately connected to the control unit (200), the dril...  
WO/2019/172753A1
A method and sensor system for monitoring in time a geometric property of a gasket (32, 34) that sealingly interconnects two structural members (20, 21) of a subterraneous or immersed tunnel (10). The system includes a sensor (42) for me...  
WO/2019/170932A1
The invention relates to a leaktight arrangement for installation in a threaded axial hole, which comprises: a bolt (12) that includes a head (13) and, at the opposite end, a first externally threaded portion (14) for screwing to a first...  
WO/2019/167937A1
Provided is a reinforcing laminate material for a structure that makes it possible to reduce the number of operation steps on site, facilitate quality management of a resin used, and improve operation efficiency, and with which it is pos...  
WO/2019/166025A1
A mechanical constant-resistance single prop continuous prop lifting pre-tightening device, structurally composed of a continuous prop lifting device (17), a pressurizing system, an oil supply line and a monitoring unit. The continuous p...  
WO/2019/167211A1
Provided is a building that provides comfort during normal times and safety during times of disaster and that comprises a very convenient shelter. The building is configured from a foundation, an exterior wall, and a roof by way of the e...  
WO/2019/166245A1
A chemical inhibitor is used for reducing and/or preventing swelling of anhydrite containing rock material, wherein, preferably, the chemical inhibitor is used during construction work, especially in tunnel construction through rock mate...  
WO/2019/161955A1
A self-drilling rock bolt (1) is provided for drilling a drill hole (2) in a material to be drilled (3) and reinforcing the material surrounding the drill hole using a percussive or rotative rock drill. The rock bolt comprises an end anc...  
WO/2019/162486A1
The present invention relates to a support post (2) comprising at least two tubes (4, 6) telescopically in sliding connection to each other. A locking device (8) holds the tubes in a locked state and allowing relative sliding of the tube...  
WO/2019/161956A1
A self-drilling rock bolt (1) for drilling a drill hole (2) in a material to be drilled (3) using a percussive rock drill and reinforcing the material surrounding the drill hole is provided. The rock bolt (1) comprises drilling means (4)...  
WO/2019/160638A1
The Helical segmental lining is an invention in tunneling industry wherein segments are designed in helical shape that are connected by interlocking system. The proposed helical tunnel lining method allows for segment erection and excava...  
WO/2019/158928A1
The invention relates to a slipform apparatus (12, 14, 16) and method (50) of operating a slipform apparatus for constructing a primary slipform structure (22) from one side thereof. The slipform apparatus comprising a platform (12) havi...  
WO/2019/153045A1
Described herein is a a rock bolt (100) comprising: a bar (110) longitudinally extending between a bar leading end (111) and a bar trailing end (112), said bar comprising: a bar leading portion (113) longitudinally extending from said ba...  
WO/2019/154754A1
An elongated connecting element (1) for anchoring members, which is provided with a first anchoring end portion (1a) designed to be inserted into an anchoring region (10) and a second end portion (1b) which defines a head, which lies opp...  
WO/2019/151908A1
The present invention relates to a sealing device (1), suitable for use in conjunction with sealing of bolt holes through at least one material layer such as a membrane in tunnels and the like for waterproofing. The sealing device (1) co...  
WO/2019/149867A1
In a device and a method for continuously driving a tunnel along a predefinable setpoint trajectory there is provision to influence pressing forces which are applied to installed tubbing segments by compactors by means of a control circu...  
WO/2019/149604A1
Method for producing a tube segment (1) and a tube for an evacuated tube transport system and to a method for producing said tube segment (1).  
WO/2019/147840A1
A tunnel system includes at least two adjacent tunnel lining systems and a sealing system. Moreover, the tunnel lining systems can include plural tunnel lining segments.  
WO/2019/145201A1
A cutting tool (106) for a tunnel boring machine comprises a tool head (115) equipped with at least one wear sensor (315) which tool head can be releasably connected to a tool holder (206, 321). A line arrangement comprising a wireless, ...  
WO/2019/140492A1
The present invention provides a rock bolt (14) comprising a cable (21) formed from multiple wound strands. The rock bolt also comprises a sleeve (16) surrounding the cable along at least portions of the cable, and multiple collars (17) ...  
WO/2019/142000A1
The present invention provides a tunnel boring apparatus (10) for a tunnel boring machine (1), comprising a rotatable drill head (12) having a boring face; a plurality of drill elements (14) mounted to the boring face; wherein the plural...  
WO/2019/141882A1
The invention relates to a removable modular support structure, for provisionally supporting a section of railway track (12) during the execution of work under same, which comprises an adjustment device (18) that facilitates the relative...  
WO/2019/135892A1
Rock anchors, inflation chucks, and inflation systems such as those described herein, allow for substantially complete draining of fluids from interior volumes of the rock anchors. In various situations, corrosive fluids may be introduce...  
WO/2019/135682A1
A tunnel-boring machine (3) comprising a frame (6), a rotating boring head (4) with rolling disc cutters (5) supported at a front end of a first frame portion (6a), a second, polygonal frame portion (6b) extending rearwards from the firs...  
WO/2019/133095A1
A mine roof support comprises two or more frusto-conical, tubular sections, the sections each flared outwardly from an upper end to a lower end thereof, a skirt portion of a section being received and secured within a neck portion of a s...  
WO/2019/128920A1
Disclosed is a new split-type shaft boring machine. Said boring machine comprises a ground device (1), a multi-layer hanging scaffold (2) and a main boring machine (3), the main boring machine (3) comprises a cutterhead (301), a stabiliz...  
WO/2019/128922A1
Disclosed is a cutter disk for vertical shaft sinking, comprising a central block (1), side blocks (2), and a slag discharging mechanism (5), wherein the side blocks are evenly mounted on the outer wall of the lower part of the central b...  
WO/2019/128921A1
Disclosed is an annular bracing boot propulsion system for vertical shaft sinking, the system comprising an intermediate column (8), several boot plates (1) and several bracing cylinders (2), wherein the boot plates (1) and the bracing c...  
WO/2019/119901A1
A synchronous anchor and a drilling and anchoring method for a hollow helical anchor bolt. Construction machine tools and materials comprise a double-rotating-shaft drilling machine (1), the hollow helical anchor bolt (4), a contractible...  
WO/2019/119048A1
The present disclosure relates to a friction bolt (100,200) comprising: a generally tubular friction bolt (110) body having a central longitudinal axis and longitudinally extending between a friction bolt body leading end (111) and a fri...  
WO/2019/124935A1
The present invention relates to a tunnel construction method using a grouting technology, wherein when the length of the first excavation section is A1, the first excavation is performed over a shorter length by ΔB1 than A1, that is, o...  
WO/2019/119900A1
Disclosed is a low-tension anchor cable construction method capable of reducing prestress loss. According to the sequence where an ultra-quick anchoring agent (1) is jacked first and a slow-speed anchoring agent (2) is jacked thereafter,...  
WO/2019/114224A1
A bag-shaped filling structure for an underground coal mine and a use method therefor. The bag-shaped filling structure for an underground coal mine comprises a truss beam wall (3), a surface sealing layer of a bag-shaped structure, and ...  
WO/2019/117087A1
The present invention simplifies a water-stopping operation of a joint between segment rings and shortens the work time for said operation. A water stop member (1) used in a joint between segment rings of a shield segment, the water stop...  
WO/2019/113622A1
The disclosure relates to shotcreting, and a means for ensuring that a layer of shotcrete has achieved a requisite thickness. In one form, there is provided a shotcrete depth indicator of low cost construction, wherein in use the shotcre...  
WO/2019/109700A1
An anchor bolting method for enhancing roof stability using reinforced roof and sides of a coal roadway comprises: dividing a roof (2) of a roadway (1) into different regions; analyzing rock core information of the respective regions to ...  
WO/2019/109701A1
An anchoring method employing multiple anchor bolts to simultaneously inject specific quantities of grout comprises the following steps: performing on-site measurement on rocks surrounding a roadway to obtain a grout penetration radius, ...  
WO/2019/109111A1
The invention provides a split set type composite rockbolt (10) which has a slot (22) extending from a chamfered tip (24) of a tubular body portion (26) of the rockbolt (10) and through a neck portion (28) partway to a collar portion (18...  
WO/2019/107649A1
The present invention relates to a uniform heating system for curing concrete using microwaves and a construction method of a concrete structure using the same. More specifically, provided are a uniform heating system for curing concrete...  
WO/2019/108119A1
A rod feeding device (1) is described herein, which comprises a frame (3) as well as a rotatable magazine (5) arranged on the frame (3) and arranged with a plurality of grooves (7) around its periphery in which rods may be placed. The ro...  

Matches 1 - 50 out of 64,713