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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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JP7256687B2 |
To provide a safety system for a construction machine, capable of securing safety of a worker working around the construction machine by preventing an erroneous operation by a driver.When a worker terminal held by a worker 56 or a direct...
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JP7253455B2 |
To provide an excavation device and an excavation method for burying a pile material more efficiently by reducing the resistance received from the ground when excavating the inside of the pile material.An excavation device 30 that is pla...
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JP7252424B1 |
A saddle 1, a clamping device 2 for gripping the upper ends of the existing piles P1-P4, a swivel-mounted mast 4, to extend the utility of the pile press-in device to areas of lower altitude restriction, Using a pile press-in device 10 s...
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JP2023045677A |
To provide a pile driver comprising a vibration preventing member capable of both improving a vertical property of a steel pipe pile and making a construction efficient.A vibration preventing member 22: comprises a pair of rotation arms ...
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JP7248883B2 |
To provide a small-sized chucking device for an earth removing hopper of a pile driver which can easily connect an earth removing hopper of a pile driver used in an inner excavation method with a pile.A chucking device for an earth remov...
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JP7248855B1 |
The present invention provides a construction device for sand pile formation that reduces the cost of the entire construction and reduces the environmental load by reducing the amount of heaped soil and surplus soil generated during cons...
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JP2023043532A |
To provide a pile driver comprising a tiltable top sheave block which is hardly restricted when disposed by downsizing in a structure.A top sheave block 24 comprised at an apex portion of a leader 15 includes: a base side sheave 34 sendi...
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JP7240723B2 |
To provide a steel material identification jig that can identify the shape of a steel material such as a steel sheet pile without error regardless of who works in any environment without being affected by waves and individual differences...
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JP2023037291A |
To provide a pile driver comprising a vibration preventing member capable of coping with a plurality of pipe diameters by a simple arrangement change.A vibration preventing member 22 comprises a pair of rotation arms 32, 33 having large ...
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JP2023035990A |
To provide a novel epoch-making casing pushing-in and pulling-out device.A casing pushing-in and pulling-out device comprises: a main body part 1 grasping a casing 50 for a cast-in place pile to push-in and pull-out with respect to the g...
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JP2023034429A |
To provide a pile head striking cap, a pile driver equipped with the same, and a pile driving method, which enable high-quality, low-cost construction of ready-made piles such as steel pipe piles by striking the piles without vibrating t...
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JP7237218B2 |
To directly measure soil bearing capacity of a bearing ground in a state in which an auger having a spiral blade around a rod shaft is penetrated into the ground when a foundation pile is constructed using the auger.A hydraulic jack 19 i...
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JP2023031945A |
To provide a pile construction method capable of preventing sediment blockage in a pile without slackening or disarranging a ground and capable of suppressing occurrence of earth removal, and a calculation method of a supply amount of a ...
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JP7233829B2 |
To provide a sediment collapse prevention facility using steel pipe pile (pipe anchor) and method for constructing it, that can be constructed at an appropriate cost as a countermeasure against landslides on slopes.A pipe anchor type sed...
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JP7233968B2 |
To effectively deal with cases where there is a bias in the direction of the moment generated due to the operating posture of an upper device and the work content in a clamp device that grips the open end of a tubular body.A clamp device...
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JP7233970B2 |
To efficiently perform transportation without requiring a crane and without requiring a work space above a chuck device, and attach a pile gripping jaw attachment of a pile press-fitting device to the pile gripping jaw.An attachment 30 i...
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JP7233969B2 |
To provide a pile press-fitting device having a function that enables a new self-propelled method that does not depend on a self-propelled method (expandable self-propelled) that expands and contracts the distance between a clamp device ...
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JP2023028886A |
To provide a method for constructing a penetrating pile, a jig for connecting an excavator, and a pile driving device, which can improve work efficiency by reducing the time and effort required for construction.A method for constructing ...
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JP7229739B2 |
To provide a pile press-in machine capable of smoothly guiding piles without disturbing the surroundings.A pile press-in machine 1 pressing-in a pile P in the ground is provided with an arm member 41 extending forward in a front directio...
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JP7229738B2 |
To provide a pile press-in method and a pile press-in machine preferably in a corner part where an array direction of piles curves.A pile press-in method sequentially press-in piles P at a corner part C in the ground with reaction force ...
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JP7228732B2 |
An object is to provide a pile driving apparatus capable of simultaneously pile driving a plurality of piles, where the pile driving apparatus includes a main body device that travels by a traveling device; a first pile driver that is co...
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JP2023025526A |
To provide a pile driver provided with a leader rotating device allowing large rotational force to be produced even in a compact configuration.A leader rotation device 31 is provided with a rotational mechanism 32, a pair of hydraulic cy...
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JP7226715B2 |
To provide a driver for a spiral pile capable of driving the spiral pile vertically held without toppling while receiving reaction force of shaft rotation of a rotation driving source.A driver 1 for a spiral pile is provided with a rotat...
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JP2023023178A |
To provide a vibration reduction mechanism and a vibration reduction method capable of reducing vibrations generated in construction work without requiring a huge mechanism or a large cost.The present invention comprises a pile body 3 co...
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JP2023023086A |
To provide a pile driver with a stay bracket that can be easily and safely attached to and detached from the reader.In a pile driver in which a reader 18 and a backstay 28 are erected from a collapsed state after being assembled in front...
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JP7221530B2 |
To provide a rod material driver capable of facilitating attaching to/detaching from a rod material through an operation performable with a pair of handles gripped and reducing a pipe body in size and weight by enabling the inner diamete...
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JP7215470B2 |
To provide a steel pipe buried in the ground while being rotated and excavating the ground, reduced in press-in resistance in press-in construction of the rotated steel pipe, dispensing with an auxiliary facility such as a water jet, and...
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JP7213115B2 |
To provide a pile construction management method, a pile construction management system, and a portable terminal constituting the pile construction management system, capable of performing construction management on a steel pipe pile whi...
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JP7209929B2 |
To provide a driving device, a driving machine and a driving method capable of reducing the possibility of contamination around the driving device during the driving work of a driving object.A driving device 2 comprises a hammer portion ...
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JP7209964B2 |
To provide a burying method of steel pile possible of efficiently burying a steel pile that improves the corrosion resistance of the ground surface susceptible to corrosion while improving the durability of the pile foundation of a struc...
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JP2023009672A |
To provide a reversely driven column erection method capable of accurately erecting a reversely driven column in a concrete pile, and a reversely driven column.Provided is the reversely driven column erection method for erecting a revers...
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JP2023010161A |
To provide a chuck device capable of easily removing soil which may enter during press-in work of a steel pipe pile in the ground.A chuck device 10 comprises: an outer frame member 12; an inner frame member 14 rotatably arranged in the o...
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JP7208789B2 |
To provide a pile press-in machine capable of detecting that an upper end of a pile is lower than a chuck.A pile press-in machine 1 grasps a pile P with a chuck 20, elevates/lowers the chuck 20 and thereby presses the pile P into the gro...
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JP2023006744A |
To provide a method for constructing an under-ground piled column and a pile follower capable of easily preventing the under-ground piled column from floating due to buoyancy.A method of constructing an under-ground piled column, which i...
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JP7205838B1 |
[PROBLEMS] To provide a pile driving device and a pile driving method capable of efficiently forming an excavated hole and driving a pile in a low headroom environment. A pile driving device according to one embodiment holds a rotary pre...
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JP7203597B2 |
To provide a pile press-fitting machine capable of suppressing a rotation of a movable pawl.In a pile press-fitting machine 1 for gripping a pile P with a chuck 20 and press-fitting it into the ground, the chuck 20 comprises a movable pa...
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JP2022191690A |
To provide a load displacement relationship estimation method that can improve estimation accuracy of a load displacement relationship, and a press-in construction system.A load displacement relationship estimation method includes a desi...
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JP7195010B2 |
To provide a pile installation device which is widely applicable without being affected by a ground condition and peripheral environment.A pile driver 1 has a striking unit 10, a shaft body unit 20, a rotation unit 30, a connection unit ...
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JP7194606B2 |
To provide a tubing device provided with a working stage, allowing removal of stage plates corresponding to a plurality of manufacturing diameters to be easily performed, and transportation and storage in a limited space, and a stage for...
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JP7194620B2 |
To provide a tubing device that is used as an attachment and includes a disassembly/assembly jig that can easily perform separating and connecting a drive frame and a base frame before and after transport.The tubing device includes an ad...
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JP2022188350A |
To provide an installation device for a steel pipe pile with a fin allowing a casing to be removed from the fin in a simple structure without obstructing rotation of the casing.An installation device for a steel pipe pile with a fin acco...
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JP7193994B2 |
To provide a support column construction method that can excavate earth and rocks and construct support columns efficiently.The support column construction method according to one embodiment, which is a method for constructing a support ...
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