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WO/2024/086859A1 |
According to one aspect of the invention there is provided a sealing system for a mechanical anchor comprising, a first pipe (2) for discharging a settable liquid, a second pipe (3) through which a fluid can be displaced, a retainer devi...
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WO/2024/083129A1 |
Disclosed in the present invention are a composite rock-breaking cutterhead and a tunnel boring machine comprising same. The composite rock-breaking cutterhead comprises a disc cutter plate and a moving shield plate, the moving shield pl...
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WO/2024/082589A1 |
A pipe jacking construction method in a low-temperature environment, anti-freezing thixotropic mud and a preparation method. The pipe jacking construction method comprises the following steps: step I, preparing anti-freezing thixotropic ...
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WO/2024/084591A1 |
[Problem] To reduce the thickness of a sensor structure for casting concrete. [Solution] At least one electric component 6 is mounted to a circuit board 5 to form an electric circuit. A recessed portion 5a is provided in the circuit boar...
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WO/2024/085787A1 |
A feeding device (20) comprising at least two roller assemblies (1, 2) for feeding a reinforcing element (8) along a feeding axis (AF) into a borehole (9), wherein each roller assembly (1, 2) comprises at least one first feed wheel (1a, ...
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WO/2024/077333A1 |
A feeder pole apparatus for blast hole surveying, the feeder pole comprising: a tubular member having a first end and a second end; a handle portion connectable to the tubular member adjacent to the first end. A nozzle having a tip and a...
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WO/2024/076788A1 |
A hazardous waste repository includes a directional drillhole formed from a terranean surface into a subterranean formation. The directional drillhole includes an access drillhole portion that includes an entry at the terranean surface s...
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WO/2024/070813A1 |
This liquid cement accelerator contains 9.0 to 15.0 mass% of aluminum in terms of Al2O3, 22.0 to 35.0 mass% of sulfur in terms of SO3, and has a Heywood average diameter of dispersed particles of 3 to 30 μm according to optical microsco...
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WO/2024/070814A1 |
This liquid cement accelerator contains 9.0 to 15.0 mass% of aluminum in terms of Al2O3, 22.0 to 25.0 mass% of sulfur in terms of SO3, 0.5 to 2.0 mass% of clay mineral, and 0.5 to 5.0 mass% of amine compound, and has a Heywood average di...
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WO/2024/065067A1 |
Described is a multipurpose hose that reduces the time needed to charge blastholes, which comprises multiple inner conduits into which signal cables, a power supply, probes and inspection sensors are introduced, and which also allows dif...
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WO/2024/062712A1 |
The present invention provides a construction management system which highly precisely generates a three-dimensional model representing an inner circumferential surface of a tunnel and each position of the tunnel, and a construction mana...
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WO/2024/061531A1 |
In a tunnel boring machine formed with sliding tubes (209) for a change of excavating tools (106), there is provision to anchor load-measuring elements (242) in load-measuring element receptacles (236) incorporated into sliding tubes (20...
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WO/2024/064974A1 |
The invention provides a displacement measuring device which includes an elongate rigid body which extends between a proximal end and a distal end and which is adapted for insertion in a rock hole, the body including a first member and a...
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WO/2024/061339A1 |
A cutter head for tunneling equipment, comprising a base (10) and a cutter. The base can rotate around a rotation axis (AX1) in a tunneling direction of the tunneling equipment; the cutter comprises a plurality of radial hob groups arran...
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WO/2024/055080A1 |
A storage apparatus for storing gaseous hydrogen, the storage apparatus including a source of gaseous hydrogen, a storage cavity located below a ground surface, and a conduit between said source and said storage cavity for supply of hydr...
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WO/2024/059454A1 |
Described herein are multi-tool boring systems and methods of operating such systems for tunnel boring and/or underground pipe installation. A multi-tool boring system is specially configured for fast installation and replacement of vari...
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WO/2024/055063A1 |
A sensor apparatus (20) for use in a tunnel (2) having at least one rock bolt 6 installed in rock strata (1) defining the tunnel (2), the sensor apparatus (20) including a housing (26) defining an operating space, at least one sensor dev...
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WO/2024/050850A1 |
Disclosed is a treatment method for a super-large karst cave cavity behind a tunnel wall. The treatment method comprises the following steps: cleaning loose debris in a predetermined area of a karst cave; performing reinforcing treatment...
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WO/2024/047267A1 |
The present invention relates to a movable formwork system for cladding part of a tunnel. The system comprises: a guide rail, fastening means for fastening the guide rail to a surface of the tunnel to be clad, a formwork panel attached t...
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WO/2024/045355A1 |
The present invention relates to a method for controlling a synchronous tunneling and assembling thrust cylinder, and a system. The solution comprises: after the stroke of a thrust cylinder corresponding to a segment to be synchronously ...
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WO/2024/045347A1 |
The present invention relates to a prefabricated box girder bridge construction monitoring method and a related device. The method comprises: acquiring a BIM model of a prefabricated box girder bridge, and extracting model coordinate dat...
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WO/2024/044795A1 |
The invention provides a cable anchor support system which includes a cable anchor of a first steel material, a section of which is formed with a male thread, a nut of a second steel material which has a hole which is formed with a femal...
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WO/2024/040966A1 |
The present invention discloses a full-face boring machine system for a vertical shaft, comprising: a boring cutter head apparatus used for downward tunneling in the vertical shaft, a fully hydraulic formwork apparatus used for supportin...
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WO/2024/040326A1 |
A segment-carrier system (1) for forming a tunnel-structure (111) consisting of a series of sequential tunnel-segments (11) being juxtaposed and fastened onto one another. The segment-carrier system (1) includes a main-body portion (3), ...
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WO/2024/040853A1 |
An inflatable folding reinforcement structure for a tunnel and a construction method therefor. The inflatable folding reinforcement structure comprises inflation ports (1), air bags (2), water blocking nets (3), steel plates (4), scissor...
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WO/2024/040305A1 |
The present disclosure relates to a channel strip for use as a drain in underground openings such as tunnels, although its application need not be so limited. In one aspect the channel strip comprises an elongate body comprising a cross-...
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WO/2024/038298A1 |
A rock bolt assembly is for engaging a hole in a rock wall and includes an elongate element, an anchoring part at a dead end, and a washer or rock plate at the live end, the washer or rock plate configured to bear directly against the ro...
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WO/2024/036930A1 |
An arch frame grabbing mechanism, comprising two sets of clamping jaw assemblies (1), a supporting platform (2), and a driving unit (3). The two sets of clamping jaw assemblies (1) are arranged in the length direction of the supporting p...
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WO/2024/036803A1 |
Provided are a method and system for quantitatively pushing a hydraulic support. The method comprises: step S101, acquiring a target pushing amount, controlling a binocular camera to capture an image, and calculating the initial distance...
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WO/2024/036347A1 |
A rock bolt (10) which includes an elongate tube-like member (12) having an elongate aperture (14) defined along its length so as to define a generally C-shaped cross-section, and a retaining formation (16) defined by the elongate tube-l...
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WO/2024/035356A1 |
Drilling and blasting work is of great importance in the construction of tunnels. During the construction of this work, it is very important to use time well in order to make an efficient blasting and protect employees in regard of safet...
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WO/2024/032003A1 |
A large-section railway tunnel surrounding rock stability control method, comprising the following steps: step S1, using a soil strength device to measure the strength of soil in a tunnel; step S2, demarcating crushed areas of which soil...
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WO/2024/027772A1 |
A composite support structure combining bag-based backfill grouting and a high-strength support frame (1), and a construction method. The composite support structure comprises multiple sections of composite support units sequentially arr...
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WO/2024/021579A1 |
A tunneling and anchoring integrated machine, comprising: a chassis structure (8); a supporting platform (7) disposed on the chassis structure (8); a working platform (5); and a gauge structural member (6) detachably disposed between the...
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WO/2024/021388A1 |
A comprehensive operation trolley for construction of an air-cushion surge chamber of a hydropower station, and a using method thereof, the comprehensive operation trolley comprising a rack system (1) used for supporting the whole trolle...
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WO/2024/017867A1 |
A method for constructing natural tunnels comprises the steps: a) advancing an excavation front (EF) of a tunnel (1) by a predetermined advance length by means of point excavation with one or more self-propelled excavating machines (100)...
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WO/2024/016300A1 |
Mobile scaffolding suitable for construction of a variable-cross-section tunnel canopy (140), comprising: a portal frame system (110) provided on the ground (100) of an area to be constructed, the portal frame system (110) being movable ...
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WO/2024/016973A1 |
A quick clamp for U-shaped shed acceptance inspection, the quick clamp comprising a steel plate (100). A longer bracket (110) and a shorter bracket (120) are respectively welded to two ends of an upper portion of the steel plate, wherein...
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WO/2024/019409A1 |
The present invention provides an improved rock bolt structure which is installed in a borehole (H) in an excavation face so as to provide reinforcement, the improved rock bolt structure comprising: a rock bolt (100) insertedly installed...
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WO/2024/016533A1 |
A general steel sleeve structure of a multi-specification shield machine and a use method thereof. The general steel sleeve structure comprises: a sleeve body (1) that is of a cylindrical structure having an opening end, a supporting fra...
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WO/2024/020043A1 |
An apparatus is provided for forming a borehole in a surface of a mine passage or providing support for the surface. A mast includes a rotary drill head adapted to move along an axis of the mast toward or away from the surface of the min...
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WO/2024/011493A1 |
A maintenance trolley, comprising a traveling cart (1), and an arm support mechanism (3) and a spraying mechanism (4) which are disposed on the traveling cart; the arm support mechanism comprises a fixed arm (3.1) and a telescopic arm (3...
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WO/2024/011494A1 |
A rotating pump pipe connecting device and a wet spraying machine provided with the rotating pump pipe connecting device. The rotating pump pipe connecting device comprises a first pipe body (1), a second pipe body (2), a bearing assembl...
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WO/2024/007573A1 |
Disclosed is an underground tunnel lining concrete interface connection structure, which comprises an existing concrete structure (1); same further comprises: a newly-placed concrete structure (2) arranged below the existing concrete str...
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WO/2024/007278A1 |
Disclosed is a longitudinally-moving pump pipe mechanism, comprising: a support (1), a traveling assembly (2), and a pump pipe set (3). The support (1) comprises a first body (1.1) and a second body (1.2) which are connected; the pump pi...
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WO/2024/000974A1 |
Disclosed is a grinding mechanism for a formwork of a tunnel lining trolley, the mechanism comprising a mounting frame (100), a driving member (200), a rotary disc (210), a link rod (300), a rocker arm (400) and a cleaning assembly. The ...
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WO/2024/000826A1 |
Disclosed is a heading machine control method, comprising: collecting target information of at least one material conveying apparatus of a heading machine, wherein the target information of the material conveying apparatus is used for re...
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WO/2024/003423A1 |
The invention refers to a formwork system (1) for lining a tunnel, comprising: a reconfigurable formwork structure (3); and a guiding structure (10) configured to be attached to, and detached from a fixed part of the tunnel. The formwork...
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WO/2024/005077A1 |
This explosive loading device, which is mounted on a guide shell of an explosive loading boom in construction heavy machinery and is for loading an explosive in a blast hole bored into a working face, comprises: a load rod that can mount...
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WO/2024/003342A1 |
The foldout pipeline assembly (10), in particular for the application of concrete during the construction of tunnels, comprises: a plurality of pipeline segments (18) connected by pipe swivel joints (12), the pipeline segments forming a ...
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