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Patent Searching and Data


Matches 301 - 350 out of 2,114

Document Document Title
JP2010255318
To easily and accurately estimate the strength of a soil improving body formed by a high-pressure jet mixing method, within a short period of time after construction.An injection rod 1 including a camera 18 capable of photographing the i...  
JP2010256191
To solve the problem wherein the strength of a ground-improving body formed by a high-pressure jet mixing method could not be estimated easily and precisely conventionally during a short period after the execution.Before a hardener solut...  
JP2010248698
To prevent liquefaction by decreasing the degree of saturation of ground and maintaining the decreased state of the degree of saturation of the ground; and to decrease the degree of saturation of the ground in a short period of time.In t...  
JP2010242344
To provide a core sampling device which prevents a core tube from being dragged and rotated, even when an outer tube is rotated, and which enables a core to be collected without being disturbed, without reference to soft or hard ground.T...  
JP2010242343
To provide a ground investigation apparatus which can measure a feeding force, striking force and rotation torque, applied to a rod driven by a rotary percussion drill.This soil investigation apparatus includes: a hydraulic sensor which ...  
JP2010242369
To provide an easy-to-use ground investigation apparatus which enables the sampling of a core (soil sample) with no variation from soft ground to hard ground, in addition to the performance of a cone penetration test and drilling logging...  
JP2010243337
To provide a method for measuring a pore pressure of a multilayer aquifer, which simultaneously and accurately measures the pore pressure (pressure head) of each aquifer in the multilayer aquifer, by using one boring hole without disposi...  
JP2010229711
To provide a torque measuring apparatus for rapidly determining a critical hydraulic gradient, and a method for measuring the critical hydraulic gradient.The torque measuring apparatus 1 includes: a rotator 7 which has a screw-like membe...  
JP2010222937
To search a magnetic substance in a soft ground while driving a casing for burying a drain member.When a drain member 2 to the tip 2a of which an anchor member 3 is connected is buried in the soft ground, while the assembly 11 of a casin...  
JP2010222799
To estimate the solidification strength of a pile hole in an extremely short time by measuring the specific gravity of a filler in the pile hole.The specific gravity of an unsolidified state from a sample with specified cement milk injec...  
JP2010223894
To provide a safe, light and compact high-speed load tester and an impact load tester, and to provide testing method thereof.The high-speed load tester 1 includes and includes a test pile 3 for receiving a load at a top; a plurality of r...  
JP2010216120
To provide a modeling method for infiltration of oil into an environmental ground which can easily and accurately modeling the infiltration of oil into the environmental ground while considering a variation in groundwater level.This meth...  
JP2010210559
To provide an automatic flat-plate load testing apparatus for flexibly controlling the load applied to a sinking test ground, reducing the workload of a testing person, and which is able to suppress errors, in a test result, due to the c...  
JP2010196306
To provide a method for evaluating stability of natural ground, which enables the stability of the natural ground during and after cutting or excavating construction to be evaluated with a high degree of accuracy.This method for evaluati...  
JP2010196352
To provide a method and a device for measuring a coefficient of earth pressure at rest of ground, which enable the coefficient of earth pressure at rest of the ground and vertical and horizontal stress as its basis to be accurately measu...  
JP2010189838
To provide a method for determining a ground condition that can scrupulously and accurately acquire the condition of the ground without disturbing a condition when collecting a sample obtained by boring.The method for determining the gro...  
JP2010189944
To provide a portable cone penetration test device usable as simply as a portable cone penetration test device on the ground and enabling easy ground investigation when investigating the sea bottom ground.The portable cone penetration te...  
JP2010182804
To solve such a problem that, while larger depth constructions are promoted in recent years, an external pressure in water and soil increases as depth becomes larger, an inner side of a diaphragm in a conventional oscillator of a sound w...  
JP2010180581
To provide a soil sampling method capable of reliably sampling contaminated soil even in the case that hot points of relatively small areas are dispersed.A highly flexible hollow rod having a relatively small diameter is used to excavate...  
JP2010180605
To obtain a device and a program for evaluation of a foundation ground condition, which can accurately evaluate a foundation ground condition at low cost before excavating work.Such an evaluation is made that the more an attenuation amou...  
JP2010174466
To reliably sample a deep specimen from a shallow specimen by efficiently and accurately sampling a consolidated core specimen, particularly an easy-to-flow unconsolidated core specimen from a predetermined depth without sampling only a ...  
JP2010168765
To provide a sampling device 100 which can take a sample of sediment from an undermost layer of a soil hole formed by a Swedish sounding test, and which enables a rod 302 to be pulled out even when it is not turned, by reducing friction ...  
JP2010133204
To simply evaluate the liquefaction strength and deformation of partially-improved ground.(i) Shear stress d generated in the ground before improvement during earthquakes is computed; (ii) a shear strain i of the ground before the improv...  
JP2010126942
To provide an observation well for environment monitoring smoothly performing excavating work by eliminating the recovery of a strainer pipe installed in the ground.This observation well includes the strainer pipe 1 installed downward of...  
JP2010121354
To provide a soil sampler surely collecting earth and sand and preventing the inclusion of soil of the other layer after the collection.The soil sampler 100 to be attached to a stirring blade 530 of a ground excavation device 500 include...  
JP2010121391
To provide a soil character sampler which secures sufficient strength and is capable of gathering precise soil samples in an efficient manner.The soil character sampler is inserted in a ground boring hole to gather soil samples. The soil...  
JP2010122293
To provide a geological condition display object with excellent portability, which easily shows overall geological condition without requiring multiple drawings and provides a visual geological inspection result in construction work.The ...  
JP2010095949
To provide a penetration rod for detecting the rotational load torque of a screw point, in a penetration test for detecting the rotational load torque by rotationally penetrating the penetration rod comprising a rod and the screw point a...  
JP2010090668
To provide an inspection and measurement method for a ground subsidence cavity in a concrete civil engineering structure, enabling an inspection and measurement device to be mounted on the structure from the start of its construction.A p...  
JP2010071033
To provide a soil cement sampling tool capable of surely sampling soil cement at a predetermined sampling position.The soil cement sampling tool 1 mainly includes: an outer tube body 2 having a window opening 8 in a peripheral wall 7 and...  
JP2010071672
To provide a groundwater pressure measuring device capable of accurately measuring not only the static hydraulic pressure of groundwater, but also a dynamic hydraulic pressure of the groundwater which varies by propagation of vibrational...  
JP2010059670
To provide a construction method for estimating the uniaxial compressive strength of the ground to be constructed or of an underground consolidated body using a cone penetration tester before various civil engineering constructions are p...  
JP2010054419
To provide a method of testing a soil of an engineering work material, capable of accurately predicting trafficability of the engineering work material in a rainy weather, used as an embankment for a roadbed, a subgrade, or the like.The ...  
JP2010054338
To provide a liquefaction occurrence evaluation system capable of executing quantitative evaluation of risk of occurrence of liquefaction at a spot to be evaluated, based on a separation surface for separating the presence or absence of ...  
JP2010054418
To provide a soil property test method capable of predicting accurately trafficability in a rainy weather of an engineering work material used for banking or the like.The engineering work material having a natural water content is tamped...  
JP2010047989
To provide a screw point for a Swedish sounding test which surely prevents the breakage of a connecting portion or dropping of the connecting portion from the body of the screw point.The screw point 1 for the Swedish sounding test includ...  
JP2010048029
To provide an improved ground testing method capable of speedily verifying the quality of improved ground and facilitating rework to be executed in the case that the quality of improved ground falls to a reference value or below and to p...  
JP2010037812
To estimate the origin position gel time of a chemical injected into a ground for countermeasure against the liquefaction of the ground so that the chemical can be reliably injected into the ground within the range to be injected before ...  
JP2010024717
To provide a standard penetration test noise eliminator, reducing the generation and diffusion of impact sound generated by a collision between a hammer and a knocking head in a standard penetration test, especially high frequency impact...  
JP2010024725
To provide a hydraulic testing apparatus of high versatility applicable to various hydraulic tests.This hydraulic testing apparatus 20 comprises: packers 2a, 2b installed in a bore hole 1; a first communicating pipe 3 serving for communi...  
JP2010025771
To provide a ground improvement body measuring instrument, used on a site of construction and simply investigating the forming state of a ground improvement body at a low cost.A Swedish type sounding tester 1 equipped with a plurality of...  
JP2010025757
To provide a tracer testing method capable of efficiently acquiring sufficiently highly accurate data.The tracer testing method is executed through the use of a tracer testing apparatus 10, which is provided with both a communicating tub...  
JP2010025789
To provide a sampling device for efficiently sampling only the waste at a desired position in a waste bed over a range as wide as possible at that position while holding the state in the waste bed.A tubular casing 10 is interpenetrated i...  
JP2010018989
To provide a method of evaluating cracking in a ground by grout capable of accurately evaluating the filled state of the grout into the cracking in the ground to be improved without being affected by the cutting of a hole wall surface by...  
JP2010014619
To provide a ground water flow analysis method and its program capable of efficiently performing analysis, by simplifying the operation of making analysis data, when performing the ground water flow analysis which takes into consideratio...  
JP2010007270
To provide a ground sampling device which easily gathers a sufficient amount of soil for conducting an accurate ground survey.This ground sampling device 1 comprises: a connecting portion 41 which is formed at its upper end in such a man...  
JP2009299370
To provide an automatic penetration tester, capable of detecting the load torque of a penetration rod penetrating through a disk and evaluating the stratum of a ground to be tested according to the load torque.This hammering penetration ...  
JP2009293224
To provide a water sampling device capable of performing a water permeable test and water sampling.This water sampling device 1 comprises a first packer 3 and a second packer 4 installed in a bored hole 2, a strainer pipe 5 which connect...  
JP2009276259
To simply predict and determine whether there is such abnormality that coating substance, including base rock or sediment coating an undersea tunnel, into which ground water containing sea water leaks, is eroding.Measurement points A to ...  
JP2009275389
To provide a simple loading test method for conducting a loading test more easily than a conventional test method.A pile press-in machine 10 is provided with a loading hydraulic cylinder 3 for applying load on an existing pile P supporte...  

Matches 301 - 350 out of 2,114