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WO/2020/024268A1 |
The present invention relates to a tunnel precast lining assembly structure and a method therefor. A precast lining of the assembly structure is formed by assembling precast lining arc plates which are divided into multiple rings in a lo...
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WO/2020/026766A1 |
Provided is a method for producing a glass bulk body in a simple manner, comprising irradiating an aggregate of sand granules, a rock or concrete with laser to form a dense glass layer contiguously in an arbitrary region using a silica (...
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WO/2020/024005A1 |
The present invention relates to a jack stand. The jack stand includes a base and a post for extending from the base. A top is provided for topping the post and engaging with a load. The top includes a load spreader for spreading the wei...
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WO/2020/019626A1 |
A pulse-free spraying machine resolves the issue of pulsing during pumping of a concrete spraying machine. The pulse-free spraying machine comprises a machine frame (1), a pumping mechanism (2), a rotation mechanism (3), a motor, and a h...
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WO/2020/019840A1 |
A composite hollow anchor rod structure, comprising a connecting end head (1) and bearing sleeve rods (2), the bearing sleeve rods (2) being hollow tubular structures, the inner surface of the two ends thereof both being provided with a ...
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WO/2020/019395A1 |
A shaft guide connection apparatus, for use in connecting an upper shaft guide (2) to a lower shaft guide (7). A notch is provided at one side of the top of the lower shaft guide. The shaft guide connection apparatus comprises a connecti...
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WO/2020/021390A1 |
An equipment assembly (1) suitable to engage a vault (950) of a tunnel (900). The equipment assembly (1) extends along a main axis (X-X) comprising a plurality of longitudinal members (2) and a plurality of centerings (3) positionable in...
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WO/2020/021445A1 |
The present invention relates to the use of foaming additives in liquid, paste or powder form, to condition soil excavated with a tunnel boring machine. Said additives can be classified as readily biodegradable and are characterised by a...
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WO/2020/019628A1 |
A pulse-free wet spraying machine, comprising a frame (1), a pumping mechanism (2), a swing mechanism (3), a motor, and a hydraulic system (4). The pumping mechanism (2) comprises a hopper (21), a material chamber (22), a concrete feedin...
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WO/2020/021491A1 |
This invention relates to a safety cage apparatus (1) and method and more particularly, to a safety cage apparatus (1) and method that facilitates installation of roof bolts (16) using handheld drills and other underground work. The safe...
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WO/2020/023771A1 |
A cutting assembly is provided for a rock excavation machine having a frame. The cutting assembly includes a boom, a cutting device, and a plurality of fluid actuators. The boom includes a base portion and a movable portion. The base por...
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WO/2020/014747A1 |
The present invention relates to a system for recovering a continuous miner arrangement from a tunnel. The system includes a coupler for coupling the continuous miner arrangement to a pulling apparatus. The pulling apparatus pulls the co...
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WO/2020/007003A1 |
A tunnel boring machine steel arch installation system comprises: a conveying device, for receiving a steel arch (7) and conveying the steel arch to a preset transfer position; a joining device, for joining multiple steel arches in a hea...
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WO/2020/007820A1 |
The invention relates to the use of a kit in the form of a cartridge or a film bag, which has multiple, in particular two compartments, of which one contains synthetic resin components comprising a radically polymerisable synthetic resin...
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WO/2020/007088A1 |
Disclosed are a coupled supporting and protection structure based on a high constant-resistance mechanical monolithic support, and a construction method therefor. The structure comprises a high constant-resistance mechanical monolithic s...
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WO/2020/007631A1 |
The invention relates to a tunnel lining composed of at least two concrete elements (10), having at least one protective element (20) connected to each concrete element, the protective element (20) having a protective portion, which has ...
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WO/2020/007004A1 |
Disclosed are a tunnel boring machine cutter disc, a tunnel boring machine comprising the tunnel boring machine cutter disc, and a cutter replacement method applied to the tunnel boring machine cutter disc. The tunnel boring machine cutt...
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WO/2020/007055A1 |
A combined tension and compression yielding and energy-absorbing grouting anchor bolt for large deformation in surrounding rock, comprising a hollow grouting anchor bolt (6), an anchor bolt locking apparatus, a plurality of yielding grou...
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WO/2020/001798A1 |
The invention relates to a slipform concrete structure (12), and a method of operating a slipform apparatus (10) for constructing a slipform concrete structure (12). The slipform apparatus (12) comprising a platform (10) and a lift devic...
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WO/2019/245146A1 |
The present invention relates to a system for monitoring displacements in a mine and, more specifically, to an ICT-based system for measuring and monitoring, in real time, displacements in an underground mine. The purpose of the present ...
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WO/2019/244124A1 |
The invention concerns a form work (1) for the production of concrete articles comprising: • at least one supporting beam (10); • at least one panel (20) which has an outer surface (23 a) designed to be in contact with a concrete cas...
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WO/2019/237908A1 |
Disclosed is a blocking and drainage combined treatment method for water leakage at a construction joint of a secondary lining of a tunnel. According to the method, water is blocked by means of an anchor bolt (3) and a rubber waterstop (...
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WO/2019/240440A1 |
The present invention relates to a check valve assembly apparatus for a grouting steel pipe, which allows an unthreaded check valve to be rotationally press-fitted into a thread groove of the grouting steel pipe, thereby maximizing secur...
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WO/2019/237859A1 |
A self-expanding anchor bolt comprises a bolt body (14), a self-expanding member (18) mounted on the bolt body, a reverse anti-slip device mounted at a front end of the bolt body, and a locking and fixing device mounted at a rear end of ...
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WO/2019/240531A1 |
The present invention relates to a low vibration tunnel excavation method. The low vibration tunnel excavation method according to a first embodiment of the present invention comprises the steps of: boring a cut hole and a plurality of b...
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WO/2019/232566A1 |
A rock-anchoring apparatus, deliverable in kit form, and a method for grouting a bore formed in a rock or concrete formation is disclosed, the apparatus having an expansible packer for surrounding an anchor rod, the packer being configur...
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WO/2019/233908A1 |
For chemical anchoring of a threaded rod in an anchor hole, the invention proposes a cover (2) having axially parallel lengths (24) of wire, which are held at a distance from the threaded rod by rings (3, 4, 5). By applying an alternatin...
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WO/2019/235909A1 |
The invention relates to the design and construction of residential, public and industrial buildings and structures having a flexible framework and earthquake-resistant kinematic foundations. An earthquake-resistant foundation consists o...
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WO/2019/234131A1 |
In a tunnel boring machine (103) having a cutting wheel (106) which is equipped with a number of excavation tools (109) provided with sensor units and in a tunnelling method, only substantially fully worn excavation tools (109) are able ...
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WO/2019/231383A1 |
Herein is described a rig (1) adapted for rock bolting comprising a feeding magazine (3). The feeding magazine (3) comprises a holding structure (3a) for bolts (4) and is arranged in conjunction with a rock reinforcement unit (5). The ri...
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WO/2019/231310A1 |
The invention relates in particular to a structural technical improvement of the rock support structure combined with an anchor bolt. The rock support structure is made up of the following: a plate (1), preferably made of steel and squar...
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WO/2019/218090A1 |
The present disclosure provides a system to optimally set an anchor and a bullet within a bore hole. The anchor is comprised of at least two cutters connected to and positioned below spreading lamellae of the anchor. The cutters are comp...
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WO/2019/220468A1 |
A "Riser Concept" Method and Apparatus includes the bottom-up construction of vertical risers from underground passes through the soil, using a pipe jacking equipment. The pipe jacking equipment vertically push the riser pipe from underg...
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WO/2019/217980A1 |
The invention provides a method of adapting a metal bar, for use as a rock bolt (14), to ensure that the bar will break in a predictable manner, the method including the step of removing material from the bar in a circumferential band to...
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WO/2019/214031A1 |
Disclosed is a water retention method for promoting the self-repairing of a mining-induced fracture by chemically softening a carbonate rock, the method comprising confirming the information of a distribution range in which an overlaying...
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WO/2019/211475A1 |
A deformable element (250) for a rock bolt comprises a sleeve (255) and a plug (260). The plug (260) is configured to be received at least partially within the sleeve (255) at a first end (256) of the sleeve, and is configured to be held...
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WO/2019/213675A1 |
: The invention provides a self-drilling rock anchor assembly which includes, a friction fit tubular sleeve which extends longitudinally between a leading end and a trailing end; a rod which extends through the sleeve between a first end...
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WO/2019/206319A1 |
Provided is an underground space intelligent construction system and method, comprising a terrain detection and processing robot unit, a 3D printing robot unit and a centralized electronic control unit; the terrain detection and processi...
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WO/2019/200827A1 |
Disclosed is a vibrating-type hard rock cutting mechanism with the function of directional high-speed abrasive jet advanced slitting. When the vibrating-type hard rock cutting mechanism works, an outlet of a high-pressure abrasive jet ge...
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WO/2019/200904A1 |
A multifunctional intelligent tunneling apparatus and method for simulating tunnel partial excavation. The apparatus comprises an operating platform, a multifunctional rotary tunneling system, an accurate power propulsion system, an info...
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WO/2019/197265A1 |
The invention relates to a method used to renovate or newly create corrugated metal-sheet tunnels. First, the inner surfaces or outer surfaces of the corrugated metal sheets (6) are sand-blasted in order to clean and roughen them. Then a...
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WO/2019/196366A1 |
Disclosed are a hydraulic support voice control system and method based on vocal cord vibration measurement. A vibration measurement unit converts a vocal cord vibration of an operator into a corresponding electrical signal; a signal amp...
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WO/2019/196991A1 |
The aim of the invention is to reduce the loading of the bearing of disk-shaped drill bits and roller bits caused by impact and vibratory stress produced, e.g. by pneumatic and hydraulic hammers of rock breaking machines or similar machi...
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WO/2019/197786A1 |
The invention relates to a control device (8) designed to remotely control a boring accessory mounted on a support arm of a carrier machine, said control device (8) comprising a control housing (9) and an angle measurement device (15) co...
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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...
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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 ...
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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...
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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...
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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), ...
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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...
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