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JP7401386B2 |
To provide an inexpensive inspection device that can easily and quickly inspect a work area in a long structure such as a tunnel by remote control operation.An inspection device includes: a rail part 1 that is provided in parallel with a...
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JP7398783B2 |
To provide a construction method in which fluidized soil is filled in a pipe, hardened and buried, and at that time, some cavities do not remain and the pipe can be simply filled when disposing of pipes such as water pipes buried undergr...
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JP3244912U |
[Problem] To provide a shield machine construction temperature cooling system that has a simple structure, low energy consumption, and good cooling effect. [Solution] A chiller plant 2 is installed on a truck frame 1, a ventilation path ...
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JP2023174484A |
To provide a tunnel micro-pressure wave mitigation method based on a decompression space angle.The present invention provides a tunnel micro-pressure wave mitigation method based on a decompression space angle after a train enters a buff...
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JP7393192B2 |
To provide a safety control system capable of implementing high safety at a construction site.A safety control system applicable to a construction site at which a safe area and a dangerous area exist comprises a worker detection unit, a ...
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JP7393193B2 |
To provide a safety control system capable of implementing high safety at a construction site.A safety control system comprises a second control unit capable of performing network communication with a first control unit mounted on each o...
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JP7389697B2 |
To prevent a succeeding bogie from falling to the inner side of a curve of a curve part of a tunnel, especially a sharp curve part with a small radius of curvature.A succeeding bogie 10 that is towed by a shield drilling machine and trav...
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JP7383553B2 |
To provide a cement based filler of two-liquid type which makes it possible to control arbitrary gelation time and reduce lateral pressure even if setting a high loading speed, and which exerts no hindrance on curability after filling.A ...
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JP7381385B2 |
To provide a hoist rail mounting structure capable of smoothly making travel movement of a hoist device that lifts a segment even in a curved portion of a tunnel.A mounting structure for movably installing a hoist rail 11 in an axial dir...
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JP7379435B2 |
To provide a tunnel inside emergency facility and a cord reel for improving the working efficiency of work executed while taking telephone call connection, by simplifying and conveniently handling a telephone call set having a microphone...
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JP7379255B2 |
To achieve a mechanism that can detect both flame and smoke, and in comparison with a case where a flame detector and a smoke detector are individually provided, can cut down on labor required for installation of these detectors and main...
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JP7376412B2 |
To provide an unclogging device for a soil drainage pipe capable of unclogging a soil drainage pipe in a steeply curved section.An exhaust soil unclogging device 30 is composed of a plurality of exhaust soil pipes 53 connected to each ot...
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JP3244478U |
A passageway tunnel pipeline bracket system for underground piping is provided. [Solution] The horizontal partition plate includes a tunnel piping passage 1 and a horizontal partition plate 4, the horizontal partition plate is assembled ...
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JP7373240B1 |
A method for mitigating tunnel micropressure waves based on an incident spatial angle is provided. [Solution] When the train is close to the buffer structure, the airflow in front spreads around in the form of a spherical wave, and the e...
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JP7369387B2 |
To provide a method for reducing the blast noise generated in a tunnel pit which is a method for reducing tunnel blasting noise that can be obtained by using existing equipment used in tunnel construction, with the effect of being able t...
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JP2023154517A |
To provide a belt conveyor stopping device capable of detecting an abnormal part of a belt conveyor and an abnormal part detection system equipped with the same.A belt conveyor stopping device of the present invention is a device for sto...
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JP7362053B2 |
To provide a fallen object detection system and a fallen object detection method allowing a fallen object to be precisely detected even when an object is positioned between a camera and a working face.A fallen object detection system 10 ...
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JP2023152123A |
To efficiently recover CO2 from the atmosphere.A CO2 recovery system 1, 1', 1" comprises a CO2 separation device 2 installed outside a tunnel 21 through which a vehicle 20 passes, and gas flow passages 3, 3' connecting the inside of the ...
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JP7359691B2 |
To provide an escape door, even when wind pressure in a roadway tunnel is acting on the door, capable of favorably opening the door.An escape door includes a door device that opens and closes a vehicle-passing-through opening for communi...
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JP2023140409A |
To provide a jet fan in which workability of installation work and maintenance work are easy.A jet fan comprises a U-shaped fixture 3 (main connection part) for suspending a cylindrical casing 201 of a jet fan 2 on both sides of an outer...
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JP2023140129A |
To provide a tunnel ceiling part removal method allowing for securely removing many existing ceiling boards that are continuously installed in axial direction of a tunnel and integrally fixed in a state of being arranged in a width direc...
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JP2023140130A |
To provide a tunnel ceiling part removal method allowing for securely removing many existing ceiling boards that are continuously installed in axial direction of a tunnel and integrally fixed in a state of being arranged in a width direc...
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JP2023137228A |
To provide a ventilation device for a tunnel capable of traveling on a vehicle traveling strip upper part and a track side strip upper part along a tunnel inner surface.Rails 5 arranged along a vertical direction to a tunnel axis on a tu...
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JP7352228B2 |
To provide a carrying-in facility capable of easily transferring segments to dollies in a departure shaft, when carrying in the segments from the ground.A carrying-in facility for segments SG has: dollies D for transporting segments trav...
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JP2023135454A |
To provide a water guiding member and a construction method therefor that can prevent water leakage from a downward direction of a gutter (a conduit) by water wraparound flowing along a concrete skeleton surface and a surface layer part....
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JP7347753B2 |
To realize a falling prevention tool which achieves excellent workability and is less likely to be subject to an impact load even when a lighting device nearly falls.A falling prevention tool (1) prevents falling of a lighting device (L)...
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JP3243684U |
The present invention provides a shield pipe piece protection structure based on tunnel blast excavation. [Solution] A shield tube piece protection structure includes a shield tube piece, a guide hole 11, and a bracket, the shield tube p...
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JP7340994B2 |
To secure safe evacuation routes in an area in a non-fire side in a state of being shielded from smoke, heat and flame by partitioning into a fire-side area and the non-fire side area in a longitudinal direction of a tunnel.In a fire, sw...
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JP7337420B2 |
A method for monitoring and supporting surrounding rock of a stoping roadway. The method comprises: continuously monitoring the strain of surrounding rock according to a monitoring frequency of a distributed optical fiber (29), so as to ...
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JP7337322B2 |
To provide a method for reducing the blast noise generated in a tunnel pit which is a method for reducing tunnel blasting noise that can be obtained by using existing equipment used in tunnel construction, with the effect of being able t...
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JP2023120119A |
To solve a problem in which: in the past, dust generated during tunnel construction using a NATM construction method has been a problem, and countermeasures against dust inside a tunnel, where large equipment cannot be brought in, have b...
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JP7333517B2 |
To provide an air conditioning system and an air conditioning method for a cooling device of a self-traveling work machine.An air conditioning system comprises: a structure forming a semi-closed space; a blower for sucking air outside th...
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JP2023117272A |
To provide a variable-speed inverter drive device capable of solving a voltage drop by reducing the diameter of a long cable and increasing the input voltage to the long cable, and preventing overvoltage application due to load fluctuati...
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JP7330023B2 |
To provide a tunnel construction monitoring system and a tunnel construction monitoring method capable of facilitating measurement and monitoring of a working face surface of a tunnel while protecting a device.A tunnel construction monit...
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JP2023115437A |
To provide a cover member which allows excavation by blasting in a state that an object to be protected is protected from a damage causal object and the object to be protected is attached without requiring to be removed for every blastin...
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JP7329435B2 |
To provide a method in which when a mounting member of a lighting facility inside a tunnel is photographed while a vehicle equipped with a camera is running, the mounting member can be photographed without entering a blind spot of the li...
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JP7325871B1 |
A water stop device is provided that can ensure sufficient water stop performance while reducing labor and time. A water stop device 2 includes a reaction force receiver 3 fixed to the inner peripheral surface of a tunnel 1, and a portio...
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JP7325289B2 |
To provide a wastewater neutralization device allowing neutralization of alkaline wastewater produced in a tunnel to be carried out in low cost.A wastewater neutralization device 1 comprises: a central drain pipe 4 guiding and draining a...
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JP7323399B2 |
To prevent actuation of an inverted L-shaped evacuation door 7 provided in a tunnel 1 from being hindered by receiving careless resistance, when the evacuation door 7 is displaced during an opening/closing operation.First and second cush...
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JP2023108890A |
To provide a wall surface imaging system capturing an image of a concrete wall surface in a short time and in an unmanned state.A wall surface imaging system capturing an image of a concrete wall surface in a tunnel is provided with: a t...
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JP7319802B2 |
To improve safety of evacuation using a watchman's passage, thereby solving a problem that there is a safety problem in the evacuation using a watchman's passage since, when a fire occurs on a driveway in a tunnel, there is a risk of the...
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JP7319632B2 |
To perform replacement of trucks transporting segments in a tunnel excavation of a shield method.A truck replacement device includes a turn table TT installed in a departure shaft, two pairs of replacement rails SR that are linearly prov...
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JP3243023U |
To provide a cold-resistant horizontal gutter that prevents water leakage from freezing even when the outside air temperature drops, and allows the inside to be visually inspected. A cold-resistant horizontal gutter is attached to the wa...
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JP3242913U |
The present invention provides a device for draining leakage water from rocks around tunnels to primary shoring, which can solve problems such as difficulties in construction work due to the outflow of water from rocks around the face. A...
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JP7303057B2 |
To reliably partition a fire generation area in a tunnel to thereby perform smoke shield, heat shield and flame shield, and extinguish and suppress fire while securing an evacuation environment.In the fire, a partition sheet 16a is unfol...
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JP2023090476A |
To simplify the work of changing a segment on a segment truck between horizontal placement and vertical placement.A segment SG is placed on a loading platform 2 of a segment truck 1 via a pedestal portion 4. The segment SG is curved in a...
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JP7296276B2 |
To provide a tunnel construction management system that reduces a construction period by accurately grasping a position, a travel direction, and a speed of transportation means and appropriately managing an operation of the transportatio...
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JP2023084810A |
To solve the problems of a conventional technique, that is, to provide an individual processing determination system capable of easily and highly accurately determining an individual process as compared with the conventional technique an...
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JP7287724B1 |
A containment booth is provided that prevents dust generated around a tunnel construction machine from diffusing into a tunnel pit when the machine is in operation. A containment booth 1 is installed in a tunnel pit 100 in tunnel constru...
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JP7285766B2 |
To provide a laying system of a cable inside a utility tunnel and a method for laying the cable inside the utility tunnel which can reduce manpower and working man-hours.A laying system 1 of a cable inside a utility tunnel for laying a c...
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