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JP2011043029 |
To shorten a length of a pile, and to economically work the pile by reducing frictional resistance received from soil in order to prevent the pile from being sunk.This building includes a plurality of the piles provided horizontally and ...
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JP2011042966 |
To provide a drilling and agitating unit capable of excavating even the hard ground.The drilling and agitating unit 10 includes: a vertically-elongated rotating rod 30; a rotator 40 for rotating the rotating rod 30; a cement milk supply ...
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JP2011042708 |
To provide a silicate-based chemical liquid for stabilizing soil quality having high permeability to ground even when hardening time is adjusted for a flash setting type, and a construction method for stabilizing ground using the same.In...
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JP2011038379 |
To efficiently form a pile having a predetermined strength and to secure a sufficient bearing capacity.Ground improvement is carried out around each of predetermined places 2 where a plurality of cast-in-place piles P are installed at in...
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JP2011038047 |
To provide a method for constructing a soil cement continuous column wall which facilitates steel insertion since a flow value of soil cement is improved (softened), does not generate an adverse factor such as a reduction in permeability...
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JP2011038104 |
To provide a chemical agent which inhibits subsidence or crack of foundation and is for carrying out stabilization treatment of the soil of a zone which supports a construction object, and to provide a building component for a low cost h...
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JP2011036846 |
To provide a moisture adsorbent which satisfies the following improved points to conventional adsorbents: (1) the low-alkalinity to environment is secured; (2) the heavy metal group including fluorine is immobilized; (3) the moisture ads...
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JP2011038400 |
To prevent the collapse of a structure without carrying out soil improvement of the liquefied ground in a wide range.This foundation structure 1 includes a footing 3 constituting a part of a viaduct 2, and a box-like structure 5 construc...
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JP2011038291 |
To provide a soil improving machine capable of mixing soil and solidificant in the ground to form a solidified body, mixing soil and solidificant uniformly on an outer side of a stirring blade and an excavation blade even when the stirri...
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JP2011032807 |
To provide a device for measuring displacement of the entire multiaxial excavation shaft, at less cost and failure.In the multiaxial excavation shaft, a plurality of excavation shafts are bound together with a connection band. A linear t...
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JP2011032757 |
To provide a reinforcement method for dwelling house ground, which inexpensively suppresses the inclination of a house below 5/1,000, without giving influences on circumferential environment, when there is no room at the circumferential ...
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JP2011032826 |
To provide a method of manufacturing a fluidized soil capable of generating a high quality fluidized soil by suppressing a variation in grain size composition of a slurry formed mainly of a raw material soil including construction soil, ...
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JP2011032690 |
To provide a composite bank and a construction method of the composite bank with no risk of weakening with rainfall or the like by preventing the formation of a water passage near a steel sheet pile.The composite bank 1 includes banking ...
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JP2011032831 |
To provide a method of injecting a ground improving chemical, by which the ground improving chemical can be stably injected in a predetermined area even when the ground is soft and sandy.An outer pipe packers 11, which is provided on a s...
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JP2011032702 |
To provide a method and apparatus for efficiently constructing a soil improving pile with a large bore without carrying out driving-back by a casing pipe.The apparatus for constructing the soil improving pile includes an upper casing pip...
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JP2011026572 |
To provide a grouting material exerting high permeability and having good water stop effects and durability and a grouting workpiece.The grouting material includes an agent A containing fine particle silica having an average particle dia...
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JP2011025211 |
To solve a problem wherein, since strong alkaline construction sludge produced in ground improving construction by a jet stirring construction method shows a pH of 12.5 or above and further exceeds a pH of 13 according to circumstances, ...
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JP2011026942 |
To enhance an earthquake-resistant performance of a box culvert provided in a soft soil.In a seismic strengthening structure for the box culvert, the box culvert is reinforced from outside to enhance the earthquake-resistant performance ...
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JP2011026852 |
To easily construct a levee 2 of substantially uniform strength.This levee construction device or the like includes an excavation stirring means 29 for excavation-stirring a soil of a levee construction portion 3 in a field 1, an injecti...
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JP2011026783 |
To provide a head for soil improvement, which secures a predetermined load bearing capacity of ground or a predetermined bearing capacity of soil by a smaller number of stabilizers, by evenly enlarging an excavation diameter at the prede...
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JP2011020057 |
To surely construct a continuous wall surface by a cleaning material by efficiently using the cleaning material.The soil contamination cleaning zone construction method includes: a process of installing a drilling pipe to an impermeable ...
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JP2011021401 |
To solve the following problem: a conventional anchor has not a water discharge function, which requires installation of a drain pipe in the earth and sand ground in addition to the anchor for performing water discharge of the earth and ...
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JP2011021344 |
To provide a pile foundation improving body which achieves a reduction in the cost of a conventional pile foundation improving body and the shortening of a construction period, and which increases the degree of freedom of installation of...
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JP2011021386 |
To provide a pipe with a cylindrical elastic member and an injection method using the pipe which can perform filling of a sealing grout and injection of a grouting material at the same time after expansion of a packer without using machi...
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JP2011017160 |
To provide an injection pipe structure which enables a worker to inject a grout into the ground having collected injection pipes uniformly.This injection pipe structure is composed of an outer injection pipe 1 buried into the ground and ...
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JP2011012502 |
To provide an agitating blade having a changeable agitating diameter adjustable to an agitating diameter corresponding to the diameter of a pile to be constructed.The base end of one agitating blade is swingably supported on brackets pro...
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JP2011005386 |
To provide a contaminated soil cleaning method with which contaminated soil can be easily removed by reliably dehydrating a contaminated region lower than the groundwater level.The contaminated region in soil is surrounded by a wall memb...
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JP2011007031 |
To reduce damage to an existing structure by liquefaction.This structure for a countermeasure against liquefaction includes a plurality of buttresses (underground walls) 3 built on the ground G under the outer peripheral part 2a of an ex...
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JP2011006962 |
To easily and accurately excavate an excavation hole of a rectangular shape in a top view while crushing surely a relatively large stone without causing the clogging of the stone between lower rotors with rotary blades and an excavation ...
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JP2011006946 |
To provide a method for soil improvement by which uplift of surrounding soil caused by formation of a sand pile etc. is reduced in a simple way.In the method for soil improvement forming the sand pile etc. in the soil, a rod-shaped steel...
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JP2011006880 |
To provide a technology for forming an underground pile by effectively discharging an inside filling material in a method for forming the underground pile in the ground.An underground pile forming head is provided for forming the undergr...
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JP2011001716 |
To impart base isolation properties to a created underground hardening body, to increase strength and impart elasticity thereto, in a soil improvement method using a jet agitation device.In this jet agitation device, four nozzles are arr...
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JP2011001686 |
To provide equipment for agitating and mixing excavated soil which can properly agitate and mix the excavated soil with a filling material in the ground while keeping resistance to excavation into the hard ground low, and enables proper ...
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JP2010285788 |
To solve the following problems: in hardening layer formation using direct agitation by an agitation blade, fluid agitation by a jet flow of a hardening material, and hardening material injection together, horizontal injection is mainly ...
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JP2010285803 |
To provide a grouting method support processing device allowing a solidifying material to be uniformly grouted into an improvement object ground area regardless of the building direction of grouting outer pipes 3.The device carries out s...
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JP2010281084 |
To provide a method for constructing a pile requiring neither time nor effort at a lower cost even in a site with a higher groundwater level.In this method, a soil cement wall 10 comprising two or more circularly-connected soil cement co...
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JP2010281106 |
To reduce fine particles and the air mixed in a storage pump.When a vacuum pump 10 is driven to discharge the air in a storage pump tank 6, the air in the storage pump 7 is also discharged from a pressure balance port 7b so that groundwa...
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JP2010281038 |
To provide an earth retaining method which can achieve not only cost reduction enabling the reduction of a material and adoption of large machinery but also the reduction of the degree of environmental impact during neighborhood construc...
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JP2010275762 |
To provide a countermeasure structure against lateral flow, surely capable of reducing (preventing) damage to a construction caused by the lateral flow of the ground with an improved volume, which is significantly small compared with the...
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JP2010275797 |
To provide a self-drilling monitor improving drilling efficiency and reducing loss of drilling water by eliminating useless discharge of drilling water from a solidifying material liquid jet nozzle in drilling, and a high-pressure jet mi...
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JP2010275687 |
To provide a liquefaction countermeasure structure preventing a vertical solid wall from being bent and damaged due to its out-of-plane deformation easily and inexpensively to prevent the ground in a grid from being shear-deformed effect...
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JP2010275712 |
To provide a soil improvement method and a soil improving device for forming a soil improved part as a chemical uniformly sprayed section while improving soil over a wide scope by a compact machine.This soil improving device 1 includes a...
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JP2010275713 |
To provide a soil agitator opening and closing an agitating blade while it is inserted into a hole formed in the ground.This soil agitator 1 includes a rod 4 having a first injection port 4a for jetting a fluid, an agitating member 2a pr...
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JP2010275851 |
To provide a method for improving surface layer soils by which dust is not generated, solidification material slurry can be spread evenly over the soil surface, and the surface layer soil can be efficiently improved.The method S of impro...
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JP2010275746 |
To provide a vibrating compactor easily movable and carrying out firm compaction without damaging a wall or the like even in a place to be compacted where a wall or a fence is provided at the side part, and a compacting method using the ...
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JP2010270556 |
To provide a soil improving machine capable of loosening an earth clod small without requiring a turning mechanism to be added, and capable of promoting mixing stirring of the earth clod with cement milk.An auger head 14 for cutting a so...
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JP2010270288 |
To solve the following problem: conventional water-containing gel of a chemical liquid lacks long-term stability in the ground and thereby, the ground improvement effect is reduced or lost in several months, in a ground improvement metho...
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JP2010270446 |
To provide a filling construction method and a filling system by which an optimum amount of a filling material can be injected simultaneously or selectively into each of layers or the sections of the layers making up the ground whose gro...
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JP2010269247 |
To provide an apparatus for treating soil capable of continuously treating soil regardless of fluidity of soil.The apparatus for treating soil provided with a tank 1 capable of discharging input soil from a gate 2, a conveyance device 3 ...
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JP2010270565 |
To provide a liquefaction countermeasure structure for structure and a liquefaction countermeasure method for structure, rationally preventing (reducing) damage on a structure, even when it is a large-span structure, while minimizing imp...
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