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JP2012241478 |
To provide a method for extending an underground floor and a structure for reinforcing an earth retaining wall which can extend an underground floor below an existing building without demolishing an existing earth retaining wall, in a li...
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JP2012241510 |
To provide a corrosion prevention structure of a steel pipe sheet pile, which allows a number of auxiliary covers for covering joints to be easily fixed.This corrosion prevention structure comprises brackets 4 which are fastened to the v...
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JP2012241401 |
To provide an installation apparatus that can be placed even in a narrow working space.An installation apparatus B is provided that is used when a reinforcement cage A formed by laterally laying a plurality of auxiliary members 3,3,... a...
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JP2012241471 |
To provide a pile construction method capable of restraining a pollutant from being dispersed from a polluted layer to a permeable layer.A pile construction method executes: an excavation process to excavate a vertical hole 30 from a pol...
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JP2012241400 |
To provide a reinforcement cage of which the body can be wholly built up underground while utilizing a build-up device.A reinforcement cage A comprises a reinforcement cage body A1 which is formed by combining a plurality of longitudinal...
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JP2012241500 |
To provide a method for economically actualizing a pile body structure and a foot protection part structure while considering that bearing force favorable to an existing pile works under the conditions of securing integration between the...
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JP2012241386 |
To surely pressurize and inject grout materials into all bags and to sufficiently expand the grout materials when serially arranging a plurality of bags in a pipe axis direction of a grout injection pipe.A rock mass reinforcement 1 compr...
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JP2012237194 |
To provide a screw-in type pile which has a blade mounted at the front end of a steel pipe or its vicinity, which is passed through and embedded in a ground by giving rotating force to the steel pipe, and which is excellent in workabilit...
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JP2012237192 |
To reliably sample a pile hole infill at a desired depth while removing deposits from around a take-in port.In a sampling device 40, a tubular base 1 is partitioned into a sampling take-in chamber 11 and a sampling tank 12 with a separat...
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JP2012237138 |
To provide a method for constructing a continuous underground impervious wall and a casing having a separable spiral agitation member to be used in the method.In a method for constructing a continuous underground impervious wall, a harde...
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JP2012237164 |
To provide a steel pipe set including a set of steel pipes for solving the problem with a conventional steel pipe connection method, eliminating the need for welding work at a site, and enabling easy and firm connection under such a narr...
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JP2012237159 |
To provide a pile construction method which generates less excavated soil to be removed.A first vertical hole 30 is excavated through a first excavation process where the first vertical hole 30 is excavated down to a lower side of a boun...
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JP2012232246 |
To enhance water shutoff performance by reducing hydraulic gradient despite encapsulating contaminated soil in the ground with a planar grid like wall.The contaminated soil 12 is surrounded by the surrounding wall 112 of the planar grid ...
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JP2012233351 |
To provide an axial force measurement method for a ground anchor that facilitates an axial force measurement with a simple device.In an axial force measurement method for a ground anchor 31 used for stabilization of a slope or the like, ...
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JP2012229566 |
To provide a concrete product for which bars are arranged so as to obtain more effective breaking strength at an enlarged diameter part in a concrete body part for which a base cylinder part and the enlarged diameter part are integrally ...
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JP2012229527 |
To provide a low cost joint part structure that can easily connect between members, such as steel pipes, at a construction site in a short time.A joint part structure includes: a key member housing passage 13 that is formed by combining ...
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JP2012224994 |
To make it possible to improve the adhesion of a petrolatum anticorrosive material to a steel pipe body or a bottom side wall surface of a recess bottom part, for preventing the exterior wall surface of a steel pipe sheet pile wall from ...
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JP2012224991 |
To provide a concrete pile which is a single pile having metal fittings requiring less material and little labor for manufacturing and having a high flexural strength.An inventive concrete pile is manufactured from a concrete cylindrical...
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JP2012225109 |
To present great resistance for both a load in a direction along an inclined plane and a load in a direction vertical to the inclined plane.An anchor device 5 is configured to hold a rope spread on the ground and comprises a hollow ancho...
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JP2012225119 |
To provide a pile installation method which eliminates the necessity of maintenance work against breakdown of an earth retainer and the like and maintenance work against subsidence of a road surface of a covering plate, and which can pre...
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JP2012225057 |
To provide a steel material for a retaining wall serving also as a foundation pile, which is easy to manufacture and improves bearing power.Between two long-length rectangular steel plates 2, a steel pipe 3 is supported through a spacer ...
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JP2012219616 |
To provide a construction steel pipe for a foundation structure of marine structure which can provide a more excellent protection against a mechanical load, corrosion and UV irradiation compared to a conventional well-known pipe.The abov...
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JP2012219581 |
To provide a foundation structure that ensures vertical bearing capacity and improves workability, and to provide a structure including the same.Yield strengths of improved column bodies 40T1-40T4 are designed according to a vertical loa...
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JP2012219540 |
To provide a foundation improvement body and a foundation improvement column wall with high mechanical strength.An fiber incorporated improvement body 10 is a foundation improvement structure 13 constructed on a ground just below a struc...
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JP2012217949 |
To provide a method of regenerating a permeability purification wall capable of regenerating permeability of the permeability purification wall at a low cost in the permeability purification wall for permeating to purify contaminated gro...
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JP2012219533 |
To provide a test pile construction method capable of reliably providing a test pile with friction cutting.A test pile construction method constructs a test pile 1 which comprises: an outer pipe 10; an inner pipe 20 installed inside the ...
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JP2012219481 |
To provide a foundation pile that can increase perpendicular support force and horizontal reaction force even in the soft ground and achieves construction with small area, in a short construction period, and at low cost while decreasing ...
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JP2012219505 |
To provide a construction apparatus and a construction method suitable for constructing a pile reinforcing structure in which a pile is exposed by removing the foundation around the pile, and a reinforcing layer is formed by throwing rei...
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JP2012214970 |
To provide a connection structure and a connection technique for steel pipe for pipe roof technique of earth retaining by pushing pipes in a parallel arrangement into an outer peripheral region of an excavation cross section.An outer joi...
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JP2012214984 |
To provide a concrete pile with an outer shell steel pipe, having greatly improved workability (productivity) and economical efficiency by improving an overmuch design relating to a conventional steel pipe thickness into a rational desig...
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JP2012215013 |
To construct a foundation pile structure of more appropriate performance by executing a test construction and correcting a design condition according to a site condition before main construction.A "blending condition" and a "construction...
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JP2012215338 |
To easily bury a pipe in a pile hole only by wire operation.A wire turning-back tool 10 with a pulley 14 is installed to the lower end of a lowermost ready-made pile 1A. One end 25a of a wire 25 locked to the pulley 14 is extended upward...
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JP2012214983 |
To provide a concrete pile with an outer shell steel pipe, having greatly improved workability (productivity), economical efficiency and handling property by improving an overmuch design relating to a conventional steel pipe thickness in...
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JP2012214980 |
To provide a method for reducing the friction resistance force of a wall body against a core material to be extracted during extracting the core material embedded in the wall body from the wall body formed of a cement-based solidificatio...
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JP2012214993 |
To provide a low-noise, low-vibration ground reinforcement method which exerts a little influence on environment and uses a low-cost wooden pile.There is provided a support pipe including a wooden pile 1 and a restraining material attach...
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JP2012214979 |
To provide a method for effectively reducing the frictional resistance force of a ground against a steel underground wall to be extracted.In the extraction method for a steel underground wall 1 embedded in a ground 3, a pair of steel mem...
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JP2012207371 |
To provide a method for installing a steel sheet pile which can install a long steel sheet pile at a low cost and accurately without using a modified steel sheet pile and is hardly affected by meteorological and marine conditions.When a ...
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JP2012207446 |
To prevent collapse of a sheet roll when the sheet roll obtained by winding an impervious sheet in a roll shape is penetrated into the ground, and the impervious sheet is drawn from the sheet roll sequentially and is spread while the dra...
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JP2012207532 |
To achieve about doubled bearing capacity in comparison with a conventional internal excavation method through a pile and reduce the amount of excavated soil greatly.A tip fitting 13 is mounted on a concrete precast pile 1, an excavation...
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JP2012202042 |
To provide a combination steel sheet pile with a drainage function, which has an excellent drainage function and a high sectional performance and is used for a wall body and a revetment or the like constructed on the ground with the risk...
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JP2012200766 |
To provide a caliber roll for a stepped steel pipe, which has considerably increased life of use and achieves improved production efficiency of the stepped steel pipe.The caliber roll for a stepped steel pipe has a roll body 11 which is ...
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JP2012202168 |
To provide a combination steel sheet pile with superior workability, and a steel sheet pile wall formed of the combination steel sheet pile.There is provided a combination steel sheet pile 1 constituted by combining three U-shaped steel ...
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JP2012202170 |
To spread a ground improvement material to an overall formation expected diameter of an underground pile in combination with agitation of an agitation vane when a jet tube substantially has the formation expected diameter of the undergro...
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JP2012197653 |
To improve workability and a cost advantage of a steel sheet pile with a drainage function which is used for constructing a wall body or a revetment in the ground having a risk of liquefaction at time of an earthquake.A steel sheet pile ...
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JP2012196691 |
To provide a method and a device for manufacturing a dimpled steel pipe capable of securing sufficient adhesion efficiency when used as a composite pile of a civil engineering and construction structure.In the method of manufacturing the...
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JP2012197583 |
To provide a ground strengthening method and a wood pile for strengthening ground, capable of strengthening weak ground without injecting a grout material underground, easily building a safe wood pile, and increasing the strength of the ...
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JP2012197603 |
To provide an estimating method for accurately estimating the existence of a risk of the occurrence of water leakage and a position thereof by confirming the soundness of an earth retaining wall before starting excavation, and to provide...
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JP2012193540 |
To provide a sectional shape setting method for a Z-steel sheet pile whose economical efficiency and workability are optimized.There is provided the sectional shape setting method for the Z-steel sheet pile including a web, flanges forme...
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JP2012188923 |
To inhibit the deformation of an earth retaining wall member by improving the rigidity of a steel member for the earth retaining wall member, while efficiently inhibiting the deformation thereof, reducing a construction cost and a constr...
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JP2012188864 |
To provide a composite pile which can be formed easily and inexpensively, and a construction method of the composite pile.A composite pile 1 is provided in which a wood pile portion 20 extends at a lower side of a concrete pile portion 1...
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