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JP7369472B2 |
Disclosed is a pile-driving barge, comprising a barge body, the four corners of the barge body being respectively provided with buoyancy adjustment apparatuses, the barge body being vertically provided with two scanners for scanning a ve...
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JP2023156891A |
To propose a construction method of a cast-in-place concrete pile capable of jointly placing concrete in an excavated hole with high quality.A construction method of a cast-in-place concrete pile in which an upper concrete 2 is jointly p...
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JP2023154284A |
To provide a subaxle attachment and detachment jig capable of attaching or detaching a subaxle to or from an axle body, and a subaxle attachment and detachment method using the same.An attachment and detachment jig 30 of a subaxle 26 piv...
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JP7363308B2 |
To provide an outrigger device capable of determining whether or not an obstacle, which may hinder the overhanging of an inner beam, exists before starting the overhanging of the inner beam.A controller of a crane vehicle determines a po...
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JP2023543455A |
The present application relates to a drilling device (10) for making a hole in the ground, The drilling device includes a main body (11), a drilling tool (15, 17) disposed at an end of the main body (11), and a drive device provided on t...
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JP7360321B2 |
To provide a pile driver provided with a bracing device capable of reducing a load of arrangement changes in association with a transitional operation from ground improvement to installation of steel pipes.A pile driver provided with an ...
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JP2023146912A |
To provide a pile press-in machine capable of accurately detecting hydraulic pressure in a gripping mechanism and stably operating the gripping mechanism while reducing a size and weight of a device.A pile press-in machine for pressing-i...
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JP7357524B2 |
To provide an earth-retaining water sealing method improved in work efficiency without increasing work man-hours.An earth-retaining water sealing method includes: a pile driving step of driving earth-retaining piles 3 to earth-retaining ...
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JP2023136911A |
To provide a pile installation method reducing work load to construct an installation machine in a narrow side under a head space restriction.A pile installation method comprises: a pile hole boring process forming a pile bore 15 by bori...
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JP7351820B2 |
To provide a construction method of a base structure for on-water facilities allowing installation using an existing floating crane without requiring a huge barge type platform and without requiring a temporary support base.A constructio...
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JP2023131501A |
To enable smooth reuse by monitoring a force acting on a steel pipe pile in service by a simple measurement method and by evaluating the soundness of the steel pipe pile.A monitoring system of steel pipe pile is provided which includes: ...
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JP2023129550A |
To provide an alternative pile holding system.The present invention relates to a pile holding system mounted on a deck of a marine vessel for installing a pile adapted to support an ocean wind turbine. The pile holding system is configur...
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JP7340238B2 |
To provide a hydraulic hose holding device allowing handling of the hydraulic hose to keep the hydraulic hose connected to an excavation device in a preferable state, in excavation construction using a hydraulic excavation device.A hydra...
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JP3243580U |
A replaceable fixture for the end of a guide chain that can be used for a long period of time as a fixture for temporarily fixing the end of a guide chain for hanging a steel pile to the lower part of a chuck. A fixing metal body 2 havin...
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JP7337715B2 |
To provide an underground obstacle detection method for detecting a position of an underground obstacle when a steel pipe is pressed into the underground in a vertical direction while rotating the steel pipe around a central axis, and a ...
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JP7333260B2 |
To provide a pile driver comprising a reductant tank support structure capable of effectively utilizing a limited mounting space.A pile driver comprises an engine storage house 41 in which an exhaust gas purification device purifying an ...
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JP7332447B2 |
To provide a pile driving method that is efficient both in terms of time and economy.In a pile driving method, each of a plurality of tubular piles 23 is inserted into an excavation hole 21 formed by excavating the ground while supplying...
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JP7330308B2 |
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JP2023534788A |
The rapid consolidation and compaction method consists of (i) first driving a hollow pipe and (ii) filling the sandy material inside and compacting the pipe with removable end plates into the hollow pipe. Porosity is achieved by driving ...
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JP3243185U |
[Problem] To provide a hand-held pile driver that reduces the burden on a worker in a work environment in which the upper end of a pile is lower than the waist of the worker. A hand-held pile driver according to the present invention com...
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JP7320315B1 |
An object of the present invention is to provide an excavation rod that is highly durable and capable of excavating ground even when rotated in reverse. [Solution] The connecting rod 12 is attached to the outer peripheral surface of the ...
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JP2023104158A |
To provide a steel pipe foundation, a foundation structure, a construction method of foundation structure, and a removal method of steel pipe foundation capable of easily constructing and removing without using special equipment with res...
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JP7314017B2 |
To provide a pile driver which, in spite of its compact structure, is equipped with an auger that maintains stable posture in a component state and can improve transportability.A removable auger 33 that moves up and down along the front ...
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JP7313974B2 |
To provide a pile driver that can prevent cement milk from adhering to a rack gear under a leader during ground improvement work.A pile driver comprises a leader with a rack gear on the front surface at the front of a base machine, and c...
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JP2023098508A |
To provide a steel pipe installation device which can efficiently and safely install a steel pipe.A steel pipe installation device has: an excavation shaft member 3 having an excavation bit 2 at its tip; a rotary drive device 5 for rotat...
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JP2023096869A |
To provide a battery-powered hydraulic drive device excellent in energy efficiency while maintaining functional independence of a hydraulic pump.A hydraulic drive device 20 mounted on a pile driver comprises a plurality of main electric ...
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JP7303352B1 |
[PROBLEMS] To provide a pile driver equipped with a workbench lifting device capable of lifting and lowering a workbench in a compact configuration. A vibration damping device (23) provided in a pile driver includes a pair of vibration d...
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JP7302585B2 |
To obtain a steel pipe pile capable of easily arranging liquid supply pipes, preventing liquid supply pipes from receiving strong reaction force from a ground in rotationally pressing-in, and suppressing clogging inside a steel pipe, a c...
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JP7299482B2 |
To provide a burying method of an existing pile excavating a pile hole with a larger diameter without causing enlargement of a pile driver, and to provide a foundation pile using an existing pile.A burying method of an existing pile comp...
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JP2023087741A |
To provide a rotational joint method for a steel pipe pile with a liquid supply pipe provided with a liquid supply pipe supplying liquid to a pile inner surface and/or a pile tip, and the steel pipe pile with the liquid supply pipe as we...
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JP7297726B2 |
To provide a pile installation method in contaminated soil allowing prevention of spreading contamination to a lower layer under an impermeable layer and prevention of contaminated soil removal to a ground surface.A pile installation met...
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JP2023083163A |
To provide a control method for a pile press-in and pulling machine which makes a pile press-in and pulling machine self-travel and can press-in a pile even if a relative position between adjacent piles is not constant.A control method f...
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JP7290105B2 |
To provide a continuous wall construction method capable of suppressing bearing force reduction in a bearing ground and securing supporting force performance of a steel pipe pile.A continuous wall construction method of this invention co...
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JP2023080560A |
To provide an auger device capable of preventing rapid decompression of a hydraulic oil which occurs in the case where a hydraulic motor is stopped, and to provide a hydraulic oil bypass control method.An auger device 1 includes: an auge...
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JP7287882B2 |
To provide a pile driver and a method of using a pile driver equipped with a pipe receiver capable of avoiding contact between a pipe connected to a work device and a vehicle body so as to improve the durability of the pipe.A raisable pi...
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JP7285675B2 |
To provide a rotary pile allowing drilling blades to perform anchor effect sufficiently and member cost of the rotary pile to be reduced.A rotary pile 1 is provided with a steel pipe body 2 and a rotating body 3 arranged at a tip of the ...
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JP7285500B2 |
To provide a soundproofing device for a pile driver and a pile installation method allowing a pile installation to be carried out more stably as reducing noise upon the pile installation to the water bottom ground using the pile driver.A...
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JP7283713B2 |
To provide an easily placeable drain pile by reducing friction force between the drain pile and the ground when the drain pile is placed, a drain pile construction device and a construction method of the drain pile.A drain pile 1 is buri...
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JP7282610B2 |
To provide a pile driver with a frame structure in which a front jack can be placed in a limited space of a vehicle body.In a pile driver equipped with a pair of left and right front jacks provided at a front of a main frame 24, load rec...
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JP7280079B2 |
To provide a pile construction management system and a portable terminal, capable of performing construction management on a steel pipe pile while accurately identifying a pile core position of the steel pipe pile in the vicinity of the ...
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JP7280080B2 |
To provide a pile construction management system and a portable terminal, capable of performing construction management on a steel pipe pile while accurately identifying a pile core position of the steel pipe pile in the vicinity of the ...
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JP7277726B2 |
To prevent deformation during excavation to maintain a function of excavation bits.A steel pipe pile (10) comprises: a steel pipe body (11); and plate-like excavation bits (12) that are attached on an end surface (11E) of the steel pipe ...
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JP2023068915A |
To provide a construction management device of a pile driver which can continuously record a constructions status even in a sensor failure state.A construction management device of a pile driver includes a control unit 33 for executing a...
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JP7274694B1 |
[PROBLEMS] To provide a tilt suppressor capable of easily and reliably suppressing the tilt of a pile even if the diameter of the pile hole is larger than the diameter of the pile, and a method for suppressing the tilt of the pile using ...
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JP2023068193A |
To provide a pile, a pile construction method, a structure, a structure construction method, a pile design method, and a pile manufacturing method that does not require large-scale equipment for construction, is economical and environmen...
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JP7272589B2 |
To solve a problem that: when installing a mesh fence, a support pile for support is driven from a ground surface into the ground of an installation location, but if an upper end of the support pile is hit with a hammer or the like, the ...
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JP7269277B2 |
To provide a steel pipe pile allowing efficient excavation and easy production to be carried out even in a gravel layer.A steel pipe pile 1 is provided with: a pair of excavation blades 7, 7 symmetrically placed across an earth removal h...
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JP7265375B2 |
To provide a construction jig of a rotary pile capable of making a construction jig lightweight in constructing a joint structure mechanically connecting upper and lower rotary piles.A construction jig 10 of a rotary pile is used in a jo...
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JP2023058064A |
PURPOSE: To provide a joint method of steel pipe piles allowing a welding bogie to travel in a stable state and allowing homogeneous weldment quality to be achieved.CONSTITUTION: A joint method for welding a joint line between a first st...
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JP7258653B2 |
To provide a safety system for a construction machine, capable of securing safety of a worker working around the construction machine by generating an alarm at optimum time depending on the construction machine's motion state.A safety sy...
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