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Patent Searching and Data


Matches 501 - 550 out of 2,132

Document Document Title
JP3935717B2
To provide a novel installation device for installing a geological survey implement underground. The device is used for installing underground geological survey implements 5 such as various kinds of measuring sensors or water pumps. The ...  
JP3931676B2
To obtain analytic results reflecting performed work and make them highly accurate. A drain material is driven into soft ground; a part above the drain material is covered with an airtight sheet; and the inside of the airtight sheet is d...  
JP3931798B2
To provide a tip jig for a device for measuring specific resistance whose rod inserting into the unhardened ground improving body is not a rod designed solely for measuring specific resistance but just a rod used for the ground improving...  
JP2007070870A
To provide a ground surveying method of efficiently carrying out ground strength measurement and core collection, and to provide a ground surveying apparatus.The ground surveying method using a rotary percussion drill is carried out by e...  
JP3928857B2
To provide high durability and detecting capacity of high accuracy without causing severance of element wire of a cable and severance of the cable by preventing a transmission means for power supply and detection signals from receiving m...  
JP3928956B2
To provide a loading test method excellent in the rapidity or economical efficiency of a test and capable of easily grasping the capacity of a ground anchor by employing a fast loading test method as a loading test for the ground anchor,...  
JP2007056607A
To provide a simply structured trigger device used in a place where it is difficult for a person to work, by which a trouble is hardly caused and misoperation can be prevented.The trigger device comprises a cylindrical container 2 one en...  
JP2007057472A
To provide an in situ testing device that directly measures to investigate anisotropy of a foundation which has different rigidity in a vertical and a horizontal direction.The device includes an outer tube that is inserted in a borehole ...  
JP2007051492A
To check a soil improvement effect by grasping an injection rate after the injection of solution-type silica grout into the ground and the status of the consolidation of the improved ground, and checking the distribution of the range and...  
JP2007051497A
To check a soil improvement effect by grasping an injection rate after the injection of solution-type silica grout into the ground and the status of the consolidation of the improved ground, and checking the distribution of the range and...  
JP3921090B2
To easily, quickly and efficiently perform a geological investigation by automating it by automatic ram sounding. A hammer device 3 is loaded on the guide part 4a of a leader 4 provided on a self-propelled machine 2. A test rod 9 is moun...  
JP3919079B2
To provide a ground survey system for a building site, which enables an engineer having no high expert knowledge or experience concerning a ground survey to easily conduct a high-quality ground survey, and enables the engineer to easily ...  
JP2007046408A
To provide a ground improvement evaluation device, a ground improvement evaluation method and a ground improvement evaluation program, capable of easily and highly accurately evaluating the improved ground by a construction method for re...  
JP2007047058A
To provide a measurement system capable of measuring rock permeability relatively rapidly and precisely, performing measurement in an undisturbance in a cavity under the ground of bedrock, measuring the permeability at the original site ...  
JP3917900B2
To provide a reliable large earth pressure gauge having high dynamic responsiveness and sufficiently resistant to long-term use in spite of having a simple and inexpensive structure. When dynamic earth pressure is loaded on the large ear...  
JP2007039985A
To provide a ground evaluation system based on a Swedish sounding test (SWS test), which can deal with the ground as an objective value in a manner eliminating an influence on a determination irrespective of whether the ground is of sand...  
JP3914248B2
To obtain a soil sampler which eliminates the influence on a peripheral ground of an underground hole as much as possible by preventing the inflow of muddy water and bubbles into the ground. The soil sampler 1 consists of a rotary-type o...  
JP3913930B2
To allow to take an unhardened sample of improved soil quickly, definitely and easily as it is without compressing from a predetermined position immediately after the work with an apparatus of a relatively simple configuration when takin...  
JP2007032163A
To provide a single hole type permeability test method capable of easily executing permeability tests according to conditions of the ground, variations in water level in the ground, the inner diameter of a test hole, etc. without need to...  
JP2007032274A
To provide a screw point hard to be broken and capable of providing accurate test values.In this screw point used for Sweden type sounding test and tests equivalent to that test, the side face of a drill part 2 is curved to the axis side...  
JP3908752B2
To provide a strain and settlement measuring method for testing vertical load on a pile wherein coring work is reduced by using a core hole for measuring a strain and the core hole for measuring settlement in common. The core hole 2 is f...  
JP2007016442A
To provide a ground survey method and a ground survey system which enable an easy and quick estimation of a possibility of the liquefaction of a construction plan site.The ground survey system 1 includes an input means which inputs the s...  
JP3902202B2
To sample an excellent large soil core, by minimizing run-out when rotating a drill blade, without selecting a kind of tractor to be connected. This large undisturbed soil core sampling device is composed of a vertically movable lift par...  
JP3898986B2
To penetrate a rod in a state close to a manual penetration test so as to obtain correct data. This automatic penetration testing machine comprises an elevation base 7 of a prescribed weight composed to be movable up and down, and a rod ...  
JP3898867B2
To provide a penetration tester, capable of obtaining accurate test data by obtaining loss due to the resistance of soil, etc. In the penetration tester, test data is obtained in the process of the loading of a load on a penetration rod ...  
JP3898497B2
To provide a sampling apparatus by which a soil sample can be sampled surely in a so-called penetration test, in which the rotation of a penetration rod is performed without being transmitted to a sample sampling tube and by which the so...  
JP3893597B2
To provide a method of accurately calculating a stress, a coefficient of rupture mode support force, and an allowable stress intensity in a multi-layer ground. An equivalent conversion thickness theory provided by generalizing a Barber m...  
JP2006343125A
To provide a penetration test device capable of determining the penetration resistance corresponding to a standard penetration test also in a centrifugal field.The penetration test device for determining the penetration resistance of a g...  
JP3892541B2
To develop practical procedures, methods applied to an underground investigation, by measuring a potential to be measures at a potential electrode corresponding to a current supplied to a current electrode at each measuring point on a me...  
JP3893069B2
To provide an automatic penetration tester and an automatic penetration test method capable of accurately detecting vibration caused by sound of friction between a screw point and soil. When the soil bearing capacity of a ground is inves...  
JP2006337191A
To improve the accuracy of solution by reverse analysis, and to estimate a layer structure with a high accuracy.In the estimation method of the layer structure, the horizontal/vertical spectrum ratio is calculated based on observation da...  
JP2006328637A
To provide an advanced double core tube sampler capable of increasing the excavating rate of a core ring to enable an efficient core ring by solving problems in a conventional double core tube sampler.This advance double core tube sample...  
JP2006329809A
To readily evaluate the ground improved state, by using a relation curve between shear wave speed Vs and uniaxial compression strength qu, concerning a cement-based improved ground.In this deducing method of an improved soil ground chara...  
JP2006322141A
To provide a sampling device with little disturbance capable of easily sampling a sample with little disturbance at a cutting face of a tunnel.The sampling device with little disturbance is equipped with the front outer pipe 1 excavating...  
JP2006322175A
To provide a sampler for a soil sample capable of quickly and smoothly sampling the soil sample in a predetermined depth from a pit with a small diameter formed in the ground without being required for much time and effort.The sampler sa...  
JP3883298B2
To conduct an accurate geological survey by accurately grasping the developing time of impact force. Electric energy is fed to a metal fine wire 1a in a short time, an elastic wave propagated in the surveyed natural ground is generated b...  
JP3883119B2
To provide a verticality checking device for a steel pipe pile, which checks the verticality of the steel pipe pile in a very easy and correct manner. The verticality checking device 1 for the steel pipe pile includes a cover member 2, a...  
JP3883299B2
To perform a precise geophysical exploration by analyzing a received elastic wave by use of the time of the discharge current peak value when the discharge switch of a focus device is ON to supply electric energy to a conductive material...  
JP3884723B2
To provide a soil sampling apparatus which has a simple structure, not only makes use of scout holes formed in the ground as a result of the Swedish sounding method but also makes effective use of the simplicity that is a characteristic ...  
JP3880327B2
To easily judge stability to the infiltration of seawater in an under ground structure such as a submarine tunnel where leak of water including seawater exists. Flow of leaking water and concentration of sodium ions are measured through ...  
JP3876318B2
To precisely and exactly express liquefaction of a ground, based on acquired information, and to allow easy measurement at a low cost. In this intrusion probe intruded into an underground to examine a liquefaction characteristic of the g...  
JP3876655B2
To provide a deformation predicting method for an excavated bottom part ground for easily and surely predicting deformation of the excavated bot tom part ground in every area or in every construction step with high precision. In this met...  
JP3877389B2
To provide an instrument and method for measuring surface hardness of soil by which the surface hardness of soil in a field can be measured quickly and easily for adjusting the hardness of the soil suitably to raise crops. The frame 1 of...  
JP2006300555A
To provide a logging method and an apparatus having excellent resolution, capable of reliably measuring the types of constituent elements and their contained amounts over all the strata even if small amounts of elements and a large numbe...  
JP3875068B2
To provide a groundwater-sampling apparatus by which a sampling operation is performed easily, by which a groundwater can be sampled in a short time and whose reproducibility is enhanced. The groundwater-sampling apparatus is constituted...  
JP3871938B2
To provide a casing adaptable for a device for sampling underground water or a hydraulic test of a stratum, having an expansive and contractive function and capable of transmitting a turning force or a compressive force. A part of a pack...  
JP2006291571A
To protect the wall of a hole by installing a casing at the same time as a sampler excavating operation is performed.A core tube 2 and a boring rod 4 are inserted into the casing 1, and the casing 1 and the boring rod 4 are integrally co...  
JP2006291572A
To provide a method of predicting amounts of deformation of a ground and a structure which predicts the amount of deformation of the ground and the structure after liquefaction generated by an earthquake for the ground on which the struc...  
JP2006291556A
To provide a saturation measurement method of an in situ ground which enables the saturation of the in situ ground to be measured with ease and great precision.A test hole 1 is provided which is directed from the ground surface 2 of the ...  
JP2006283426A
To provide a soil sampling device for simply sampling only soil in a depth where the sampling is desired to be performed, and also for sampling by using a simple mechanism.A cylinder 3 for sampling, which is externally mounted on a rod 2...  

Matches 501 - 550 out of 2,132