Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 45,353

Document Document Title
WO/2021/227383A1
A method for treating tunnel leakage water in an alpine region. The method comprises the following steps: 1, exploring a water seepage section and a water rich section of a tunnel; 2, determining the size of a diversion and drainage stru...  
WO/2021/228004A1
A water jet technology-based anchor cable self-drilling and rapid anchoring construction method, comprising the following steps: adjusting an angle-adjustable drilling mechanism so that a hollow anchor cable (1) faces a preset drilling d...  
WO/2021/230848A1
The present invention is walkway (100) for use in emergency evacuation situations in railway tunnels (200) and for maintenance personnel to provide access to the tunnel (200) by foot characterized by comprising; an adjustable stability e...  
WO/2021/224218A1
The present invention relates to a two-component composition consisting of a component A intended to be mixed, in situ, with a component B in order to form an injectable or pumpable organo-mineral compound, in particular for injection-se...  
WO/2021/223573A1
A construction structure for communication and connection between a newly added mined channel and an existing station hall layer (1). A reinforcing ring beam (21) and a newly added surface layer (107) are provided at a connection port of...  
WO/2021/219369A1
In a tunnel boring machine comprising a shield skin (106) extending in a longitudinal direction, a sensor unit (118) for detecting convergences comprises a number of hydraulic distance sensors (121) equipped with an extensible probe head...  
WO/2021/218065A1
A use method of a rotary pouring distributing machine (6) of a gantry-free lining trolley. Before construction by the rotary pouring distributing machine (6) of the gantry-free lining trolley, an operator starts a plc control device (31)...  
WO/2021/213280A1
A method for designing cross-section parameters of a single-cavern four-lane tunnel, comprising the steps of determination of surrounding rock pressure, establishment of numerical models under different flatness ratio conditions, calcula...  
WO/2021/214105A1
A driver socket 1 for installation of a ground reinforcement bolt, wherein the driver socket comprises a rotation sensor 2 for measuring rotation of the driver socket 1, wherein the driver socket 1 comprises a processing unit 3 configure...  
WO/2021/212829A1
A buffer-type support device for a mine, the device comprising a hydraulic system and a plurality of buffer support apparatuses, wherein each buffer support device comprises a first base (3); a first hydraulic support column (4), a buffe...  
WO/2021/214302A1
An apparatus for injecting grouting material, mining machine and method of reinforcing rock surfaces by means of grouting material. The apparatus (11) comprises an injector head (17) provided with a mixing device (18) which are both inse...  
WO/2021/212170A1
A bulkhead for use in facilitating backfilling of a stope upon mining thereof includes a skid having a base and a pair of post members extending upwardly from the base. The bulkhead also includes a barrier having a primary grid assembly ...  
WO/2021/215861A1
The present invention relates to a conical drum cutter and an excavator having same, the drum cutter comprising: a connecting frame connected to the arm of an excavator; a hydraulic motor separably mounted within the connecting frame, an...  
WO/2021/213098A1
A high-efficiency normal-pressure tool replacement construction method for a water-rich sandy cobble stratum. According to the construction method, any two adjacent plain piles (10) are meshed together, such that the reinforcing integrit...  
WO/2021/215235A1
Provided is a panel-type shoring (3) comprising a pair of shoring members (4) disposed at the front and back, and coupling steel members (6) coupling the shoring members (4) to each other. Also provided is a tunnel construction method us...  
WO/2021/215862A1
The present invention relates to a twin-head drum cutter and an excavator comprising same, the twin-head drum cutter comprising: a connection frame connected to an arm of the excavator; a hydraulic motor which is detachably installed in ...  
WO/2021/208221A1
A vibration damping system for an inertial navigation integrated positioning device of a boring machine and a use method therefor. Said system comprises a monitoring system (2) and a vibration damping system (3), the monitoring system (2...  
WO/2021/203492A1
Disclosed in the present invention are a roadway or tunnel surrounding rock shielding protection structure and method. Under the action of ground pressure, a bare surrounding rock is formed after a roadway or tunnel is formed by tunnelin...  
WO/2021/203526A1
Disclosed in the present application is a flow guide reinforced waterproof coiled material. The flow guide reinforced waterproof coiled material comprises a waterproof plate, a longitudinal water guide and water stop belt, and a hanging ...  
WO/2021/203625A1
A composite supporting structure, and a construction system and method. The composite supporting structure comprises a plurality of arc plate rings (1) which are longitudinally arranged along a roadway; a steel pipe concrete ring (5) is ...  
WO/2021/196705A1
A variable section adjustable lining trolley, comprising a top mold unit (1), a side mold unit (2), a top mold support beam (3), a horizontal adjustment mechanism (4), a top mold supplementary unit (5), a top mold supplementary support f...  
WO/2021/196339A1
Disclosed are a shield sealing device and a shield sealing method. An enclosing pile (10) is arranged at a shield receiving hole opening, and the shield sealing device is mounted on the enclosing pile. The shield sealing device comprises...  
WO/2021/196317A1
Disclosed is a novel combination shielding structure for preventing surrounding rock ground pressure disasters caused by mining. The combination shielding structure is composed of an energy-absorbing outer layer (3) and a reflective inne...  
WO/2021/196704A1
A method for adjusting a variable section of an adjustable lining trolley. The method comprises: S1, removing two top mold units (1) at the top of an arch; S2, starting a horizontal adjustment oil cylinder (10) to drive vertical and hori...  
WO/2021/196706A1
A variable-section-adjustable arch mold device for a lining trolley (7), comprising top mold units (1), side mold units (2), top mold supporting beams (3), leveling mechanisms (4), top mold supplementing units (5), and a top mold supplem...  
WO/2021/196707A1
A staged ventilation method based on the construction of a complex cavern group, comprising the following steps: perform press-in ventilation while digging in inclined shaft channels, and air supply stopping points reach the entrance of ...  
WO/2021/203147A1
The invention provides a rock bolt assembly which includes: a rock bolt with an elongate body which extends between a distal end and a proximal end and which has at least one integrally formed anchor portion and, where the body is not so...  
WO/2021/189813A1
Disclosed is a construction method for crossing over an existing line and crossing under a sewage jacking pipe by means of a water-rich sand layer shield tunnelling machine at a short distance. The method specifically comprises the follo...  
WO/2021/192806A1
This tunnel excavation device (1) includes a front body section (11) and a rear body section (12). The front body section (11) includes: a cutter head (21); a cutter head support (22); and a peripheral plate (27), a roof shoe (51), or a ...  
WO/2021/192808A1
A tunnel excavation apparatus (1) includes a forward fuselage (11) and a rearward fuselage (12). The forward fuselage (11) includes a cutter head (21), a cutter head support (22), and a vertical shoe (34). The rearward fuselage (12) is d...  
WO/2021/192809A1
This tunnel excavation device comprises: a front body part that supports a cutting head; and a rear body part. The rear body part includes a gripper carrier and a gripper part. The gripper carrier is disposed to the rear of the front bod...  
WO/2021/189746A1
A rapid construction structure and method for a secondary lining of multiple variable-cross-section bored tunnels. The rapid construction structure comprises a formwork moving support used for supporting and fixing a secondary lining for...  
WO/2021/184608A1
A platform for simulating a dangerous rock collapse of surrounding rock in underground engineering, and a simulation system and method, the platform comprising four vertical reaction walls (1); the multiple reaction walls (1) enclose to ...  
WO/2021/184614A1
Disclosed is an intelligent decision control method and system for fully-mechanized mining equipment used for a working surface under a complex condition. The system comprises a full pose measurement system (100) of the fully-mechanized ...  
WO/2021/184507A1
Disclosed are a stratum deformation control method and apparatus for a shield construction process, a non-volatile storage medium, and a processor. The method comprises: monitoring a settlement characteristic parameter in a shield constr...  
WO/2021/179647A1
A long-distance concrete spraying machine, comprising an underframe, a cylinder barrel mechanism (5), a rotor mechanism (7) and a hydraulic system, wherein the cylinder barrel mechanism (5) comprises an upper cylinder barrel part and a l...  
WO/2021/179507A1
A method for treating tunnel collapse by using a pavilion-type support, which relates to the technical fields of tunnels and underground engineering. The method is suitable for the situation in which a collapsed cavity is relatively stab...  
WO/2021/179520A1
A tunnel for an ultra-shallow overburden layer, the tunnel comprising a plurality of tunnel units that are sequentially connected end-to-end in the axial direction of the tunnel; each tunnel unit comprises a bottom plate (1), side plates...  
WO/2021/179508A1
A method for treating a tunnel collapse by using a roof-contacted shield plate support, relating to the technical field of tunnel engineering. In the method, a roof-contacted shield plate support is used for construction, and the method ...  
WO/2021/180983A1
Rock reinforcement apparatus, in particular to be used in a rocky quarry, preferably in an ornamental natural stone quarry, characterized in that it comprises: a cartridge with longitudinal development and comprising at least one chamber...  
WO/2021/181140A1
Rock reinforcement apparatus (1), in particular to be used in a rocky quarry, preferably in an ornamental natural stone quarry, characterized in that it comprises: - a cartridge (2) with longitudinal development and comprising at least o...  
WO/2021/179063A1
A machine and method for making underground excavations in rock, The machine comprises hydraulic percussion hammers which drive drill bits into the rock face to be bored. A hydraulic power unit (HPU) is located on the machine. The HPU po...  
WO/2021/177286A1
The present invention provides a structure protection sheet, which makes it possible to significantly reduce the work period in the provision of a protection layer on the surface of a structure such as concrete, to protect the structure ...  
WO/2021/170733A1
The invention relates to a device for detecting a content of critical gas in a cavity, in particular a mining chamber of a tunnel boring machine, comprising a separation module (224) by which a fluid fed in via an extraction line connect...  
WO/2021/171955A1
Provided is a waterproofing sheet for civil engineering use having sufficient strength and stretch even under low temperatures on the order of -10°C, and having excellent adhesiveness with respect to structures such as a tunnel. The w...  
WO/2021/173510A1
A polymer geo-injection apparatus for protecting an underground structure is provided. The apparatus includes: a drill bit configured to drill a path through the ground to a desired depth that is above the underground structure; an injec...  
WO/2021/168486A1
Drifter engaging adaptor for use in the installation of a rock bolt assembly including an elongate body having first and second sockets (28, 34) for engaging the rock bolt's nut, first and second threaded bores (32, 36) opening into firs...  
WO/2021/159173A1
A resin cartridge (10) comprising an inner tube (12) and an outer tube (14) such that the inner tube 12 is received within the outer tube (14). The inner tube (12) 5 has a central bore through which a shaft (13) of a rock bolt (11) may b...  
WO/2021/156088A1
A system (200) for installing a service system in a road tunnel, said system being suitable for collecting and conveying the leakage water that drips in the tunnel; said system comprising sections (1) fixed on the intrados (102) of the t...  
WO/2021/156696A1
An anchor chair (10) is described comprising two or more passages (112, 114) for an elongated foundation element (20), wherein the passages (112, 114) extend between two or more corresponding openings (122, 124) located on the first side...  

Matches 351 - 400 out of 45,353