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Patent Searching and Data


Matches 501 - 550 out of 2,114

Document Document Title
JP3917900
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...  
JP2007039985
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...  
JP3914248
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...  
JP3913930
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...  
JP2007032163
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...  
JP2007032274
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...  
JP3908752
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...  
JP2007016442
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...  
JP3902202
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...  
JP3898986
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 ...  
JP3898867
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 ...  
JP3898497
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...  
JP3893597
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...  
JP2006343125
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...  
JP3892541
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...  
JP3893069
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...  
JP2006337191
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...  
JP2006328637
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...  
JP2006329809
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...  
JP2006322141
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...  
JP2006322175
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...  
JP3883298
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...  
JP3883119
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...  
JP3883299
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...  
JP3884723
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 ...  
JP3880327
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 ...  
JP3876318
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...  
JP3876655
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...  
JP3877389
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...  
JP2006300555
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...  
JP3875068
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...  
JP3871938
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...  
JP2006291571
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...  
JP2006291572
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...  
JP2006291556
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 ...  
JP2006283426
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...  
JP2006283346
To provide a method of estimating the hydraulic geological structure of the ground around a reservoir at a markedly lower cost than a conventional one.The method includes steps of (a) measuring the water levels of a plurality of spring w...  
JP3866367
To automatically and sanitarily form base rock test face by automatically striking the base rock test face with rock bits to form a rough cut face, and automatically polishing the rough cut face with a polishing wheel to form a finished ...  
JP3862023
To provide an apparatus for measuring the shearing strength of a surface layer of 5 mm or smaller from the surface of viscous ground, and to provide its measuring method. The surface layer shearing strength measuring apparatus 1 is const...  
JP3862595
To provide a method for manufacturing water permeable anisotropy of the ground capable of easily obtaining coefficient of permeability in the horizontal direction of the ground and coefficient of permeability in the vertical direction at...  
JP3861149
To provide a modelling testing device capable of performing an infiltration flow test of stratum deformation considering existence of ground water and deformed model stratum in situ or in either of horizontal and vertical directions. Thi...  
JP2006265962
To further easily form improved ground and base isolation ground, and also to form an inexpensively realizable base isolation layer with further high realizability of its formation, by forming weak ground as a base isolation layer, by re...  
JP2006263868
To provide a manufacturing device and method of a screw point producing high-quality products at high economic efficiency compared with manufacturing methods by casting and forging.This manufacturing method of the screw point comprising ...  
JP2006266866
To observe generation of an underground phenomenon such as a fine crack having a possibility of exerting an influence on safety of an underground facility in the peripheral ground of the underground facility such as an oil stockpiling un...  
JP2006250451
To provide a radar exploration device with a radar unit for detecting embedded objects in a ground, having reduced cost by simplifying the arithmetic processing of the radar unit while avoiding unexpected operation of mines if being the ...  
JP3854550
To establish technologies to detect reinforcing effect based on displacement of a reinforcing structure, which is deformed in response to displacement of a base structure. A reinforcing structure evaluation system comprises a structure b...  
JP2006242648
To provide a device for monitoring environment in subsurface layer and a system for monitoring environment in subsurface layer using it which can monitor environment of wide subsurface layer without limitation in setting location.There a...  
JP2006241907
To provide a supporting device which presses a ground investigating apparatus to the ground stably and strongly.An anchor 9 is embedded in the ground from the supporting device for the ground investigating apparatus 1 having a head 7 ver...  
JP2006241828
To accurately take a sediment sample in an excavated hole at a predetermined depth by using a relatively simple constitution.Sample sediment in the excavated hole is taken by using a sediment sampling pipe 9. In the pipe 9, a sediment sa...  
JP2006242893
To provide a numerical analysis technology that, when determining probabilistic information (expected values, dispersion) for an attainment extent of underground water stream, can reduce the calculation time and the consumption of variou...  

Matches 501 - 550 out of 2,114