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JP7214261B1 |
The present invention provides a tremie tube and a connection structure thereof that prevent catching on a core material when pulled out. A hollow tubular female joint having a larger diameter than the hollow tubular body is fixed to one...
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JP7214546B2 |
To provide a shear failure prevention structure for an underground continuous wall capable of preventing shear failure of a first element and a second element.A shear failure prevention structure comprises: a preceding element 2 (a first...
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JP7214279B1 |
To provide a pile that can be easily embedded not only in soft ground but also in hard ground, and that can suppress settlement and overturn not only in hard ground but also in soft ground. [Solution] A pile for both hard and soft ground...
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JP7213488B2 |
To provide an establishing method of a pile hole for diameter expanding pile, which can efficiently establish a pile hole for an expanded bottom part having a pile hole for an intermediate diameter expanding portion.An establishing metho...
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JP7212981B1 |
[PROBLEMS] To provide an earth retaining structure that can be constructed at low cost even at a narrow site. The lower wall is composed of a lower wall and an upper wall provided on the upper part of the lower wall, the lower wall is a ...
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JP7212995B2 |
A screw pile joint structure (2) comprises a pair of end plates (12, 22) that are fixed to the ends of screw piles (10, 20), and shear resistance units (13, 33) that are provided on one end plate (12) and the other end plate (22) and tha...
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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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JP2023013024A |
To provide a staying concrete estimation method estimating concrete quantity staying in a tremie pipe when installing concrete by using a tremie pipe, and to provide a construction method of a concrete structure utilizing the staying con...
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JP2023012685A |
To improve economical efficiency and productivity in manufacturing a pile.After molding a plate-like concrete panel 40, the plate-like concrete panel 40 is cut along a longer direction to make it a pile shape. Since a formwork for moldin...
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JP7211779B2 |
To drill effectively and securely by restricting a deflection of an anchor in drilling by a shield drilling machine in a drilling wall of a start side.A shield start side shaft wall comprises: a drilling wall 3 arranged in a start area o...
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JP2023011433A |
To provide a filling material for constructing an underground wall, which has high vibration-proof properties, excellent holding property of the underground wall, and long-term stability.A filling material for constructing an underground...
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JP7211580B2 |
To provide a steel pipe pile which can secure high enough joint strength of rotation torque between a shaft steel pipe 2 and a tip member 4 and which can make a tip member effectively function as an enlarged bottom portion without making...
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JP7209942B2 |
To provide a steel sheet pile joint and a cut-off method for a steel sheet pile joint fitting part capable of ensuring sure cut-off performance of the joint fitting part while reducing construction time and labor.The cut-off method for t...
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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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JP2023009857A |
To provide a ground reinforcement structure allowing reinforcement to be carried out using small sized piles allowing a construction to be carried out with a small machine.A ground reinforcement structure for reinforcing a ground under a...
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JP2023008291A |
To provide an underground wall pile structure whose bottom part of a wall-like body is widened in a wall thickness direction which can improve friction strength between the ground and the underground wall pile structure.An underground wa...
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JP7207245B2 |
To provide a steel pipe pile joint and a steel pipe pile at a low cost which have high strength and excellent buckling resisting performance.A tubular joint mounted on an end part of a steel pipe pile and including mechanical means for m...
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JP7205792B2 |
To provide a ground improvement structure capable of reducing the construction cost when the contaminated ground is deep in the ground.A ground improvement structure 70 includes: a lattice soil improvement body 22 that segments a ground ...
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JP7205791B2 |
To provide a ground improvement structure capable of reducing the construction cost in contaminated ground.The ground improvement structure includes: a soil improvement body 22, 50 that segments a liquefaction ground 10B into a subdivisi...
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JP7205824B2 |
To provide a concrete pile with double steel pipes, a design method for the same, the usage of and a pile foundation including the same, the concrete pile with double steel pipes improved in toughness compared to conventional ones when a...
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JP7203684B2 |
To provide a pull-out resistance anchor for a cultivation greenhouse which can be driven into the underground by minimizing the driving resistance and can generate a large pull-out resistance by changing posture thereof to the horizontal...
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JP7201968B2 |
To provide a composite pile which can be efficiently constructed without overload applied to a boring machine drilling the ground, and to provide a construction method of the composite pile.A composite pile 1 has a cylindrical shape cons...
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JP2023003071A |
To densely arrange reinforcing bars so as to exert excellent rigidity by improving the dowel performance between a steel wall and a reinforced concrete member when constructing a coupling structure by coupling the steel wall and the rein...
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JP2023003325A |
To provide a bottom plate which simplifies a shape of a coping concrete block installed on an upper end of a sheet pile wall, reduces cost of a coping block, and can block an opening of a bottom part of the coping concrete block defined ...
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JP2023003081A |
To densely arrange reinforcing bars so as to exert excellent rigidity by improving the dowel performance between a steel wall and a reinforced concrete member when constructing a coupling structure by coupling the steel wall and the rein...
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JP2023002016A |
To provide a pile head structure, where in-pile joint members are projected from an end plate of a pile head by preventing interference with a manufacturing machine upon constructing the pile structure and damage upon concrete casting ev...
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JP2023002158A |
To provide an anchor member capable of supporting a lattice member so as not to escape in a direction parallel to concrete surface when fixing a lattice member on a concrete face and capable of functioning as a leveler leveling thickness...
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JP2023002232A |
To provide a connection structure of pile head portions of steel pipe piles capable of reducing works at a construction site and shortening a construction period in constructing.In a connection structure of pile head portions of steel pi...
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JP2023001572A |
To provide a pile foundation capable of reducing a material cost while maintaining sufficient cross-sectional strength, and a design method thereof.A pile foundation 10 has a pile 2 in which a plurality of precast piles 21, 22, 23 and 24...
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JP7199152B2 |
To provide a steel pipe connection mechanism with high economic efficiency.The steel pipe connection mechanism comprises a pin joint 3 provided on one end of a steel pipe main body, a box joint 4 provided on the other end of the steel pi...
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JP7197098B1 |
A ground anchor construction method is provided in which sequential breakage due to the generation of concentrated stress generated in the anchoring portion of a conventional ground anchor does not occur, and substantially uniform stress...
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JP2022190513A |
To provide a rotary penetration steel pipe pile with a tip blade which reduces a burden due to a load from a building and improves stability during usage.A rotary penetration steel pipe pile with a tip blade includes: a body part 20 comp...
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JP2022190512A |
To provide a rotary penetration steel pipe pile with a tip blade which suppresses the influence of reaction acting on a wing part during rotary penetration, and prevents generation of damage during the rotary penetration.A rotary penetra...
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JP7195613B2 |
To provide cutoff material capable of preventing degradation of pile quality caused by contamination of underground water and like into pile material upon a cast-in-place construction.Cutoff material 3 is to cover an outer periphery of a...
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JP7195232B2 |
To provide a removal method for safely removing an upper part of a core material in a soil-mortal retention wall.A core material for a soil retention wall includes: a lower side core material 11; an upper side core material 12 of which a...
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JP2022188997A |
To provide a method for connecting a stay pile and a tendon to support an earth retaining wall from the rear surface even in a narrow site.In a method for connecting a stay pile and a tendon, which connects the stay pile provided on the ...
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JP7194471B2 |
The present invention relates to a cofferdam structure. A ring-shaped cofferdam and temporary pit excavation structure using tapered square pipes includes a plurality of tapered square pipes a trapezoidal cross-section, in which the plur...
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JP7194799B1 |
[Problem] To read unique identification information of an IC tag attached to the head of a ground anchor with a reader from the outside of a cap that covers the head, avoid radio wave transmission/reception interference, and improve read...
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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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JP2022188488A |
To facilitate the application of PPRC structures to long structures.A PC member 11A, which is the lowest layer, is a block with a steel cutting edge on the lower side, and PC members 11B to 11F are sequentially laminated thereon. A PC me...
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JP7194074B2 |
To provide a shape holding mechanism, an installation device for a strand reinforcement cage and an installation method for the strand reinforcement cage capable of holding a shape of the strand reinforcement cage to prevent its deformat...
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JP7194307B1 |
[PROBLEMS] To provide a pull-out resistance pile for a simple structure, etc., in a compressed and densified plow bed layer, a cultivated land mixed with pebbles, etc., to strike an anchor without requiring secondary manual work. To prov...
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JP7192963B2 |
A steel pipe pile (10) that is provided with a steel pipe body (11), and plate-shaped drilling bits (12) attached to an end surface (11E) of the steel pipe body (11) at an angle (θ) with respect to a tangent to the circumferential direc...
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JP2022187530A |
To alleviate a load on a steel sheet by a cut member during cutting of a steel sheet, and a load on the cut member.A manufacturing method of a steel sheet pile includes: uncoil step S1 of unwinding a belt-like steel sheet out of a coil r...
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JP2022187219A |
To provide a construction machine allowing inexpensive construction of widened underground continuous walls, without largely improving the conventional construction machines.A chain type cutter 2 for constructing underground continuous w...
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JP2022187435A |
To solve the problem in which, in a tip part with vane applied to a rotary press-in type steel pipe pile, high mechanical strength is required for a vane part as it directly interferes with the soil, thereby, a steel material constitutin...
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JP2022186157A |
To provide an earth retaining wall which can suppress adverse effect in construction by pressurized underground water and can be easily cut by a cutter of a shield excavation machine, and to provide a construction method of the earth ret...
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JP2022185699A |
To provide a joint structure of a pile which has high forward rotation torque transmission performance necessary for a rotary pile construction method, etc., and pull-out prevention performance in reverse rotation, and which can be remov...
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JP2022185959A |
To provide a pile foundation having a large peripheral frictional force up to an upper end side of a pile hole, and a method for evaluating the peripheral frictional force of the pile foundation capable of accurately evaluating the perip...
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JP7190372B2 |
To provide an anticorrosive construction method for which a protective cover can reliably and firmly be fixed, and there is no gap that is caused by a flange area being bent and deformed when the protective cover is fixed, and that is al...
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