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JP2011038782A |
To equalize settlement of a loading plate even when rigidity of the loading plate is low.In the load test device 10, a base concrete 14 is settled along with two or more low pedestals 18 while compressively deforming foundation 12 by way...
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JP2011038783A |
To equalize the settling quantity of a loading plate even when the rigidity of the loading plate is low.In this load testing equipment 10, foundation concrete 14 is allowed to subside while the ground 12 is compressed and deformed by all...
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JP4632312B2 |
To obviate the need of the focus of an earthquake in a well by allowing tomography measurement data between wells to be created only by a focus of an earthquake arranged on the surface of the ground. This elastic wave tomography method i...
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JP4632926B2 |
To provide a subterranean surveying apparatus and a subterranean surveying method capable of surveying even buried objects positioned at great depths through the use of Rayleigh waves. Detectors 11a-11c detect Rayleigh waves generated by...
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JP4627505B2 |
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JP4625293B2 |
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JP4623596B2 |
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JP2011017227A |
To provide a loading test apparatus capable of grasping an attitude of a reaction girder, and a loading test method.A test pile 12 is buried in ground 20; and a jack 16 for adding a vertical load is provided on the top surface 12U of the...
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JP2011017234A |
To provide a loading test method for a building foundation having a pile, a ground improving body and a spread foundation.This loading test method for the building foundation includes: a first step of providing a foundation concrete slab...
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JP2011017218A |
To recover an earth pressure gauge, which is installed below a loading slab, without damaging the earth pressure gauge, after a loading test.Silica sand 20 is leveled off in a hole section 18 which is formed by digging down the ground 30...
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JP4614567B2 |
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JP4611112B2 |
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JP4607977B2 |
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JP4602594B2 |
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JP4600845B2 |
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JP4595122B2 |
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JP4588424B2 |
To realize the rational batch processing of the following ground information (water-bearing stratum constant) by requiring only a small number of observations or observation data, and easily and rapidly computing a permeability coefficie...
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JP4574386B2 |
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JP2010248698A |
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...
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JP2010242344A |
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...
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JP4566254B2 |
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JP4566948B2 |
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JP2010229711A |
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...
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JP4562158B2 |
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JP2010222937A |
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...
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JP4558650B2 |
SUMMARY The present invention offers the in - situ testing apparatus which is aimed at evaluating the liquefaction and dynamic characteristics of soils using bore - holes by conducting the cyclic loading tests on a given soil layer. The ...
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JP2010216120A |
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...
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JP4545923B2 |
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JP2010196352A |
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...
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JP4538672B2 |
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JP2010189838A |
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...
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JP2010180605A |
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...
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JP4513092B2 |
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JP4509865B2 |
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JP4502797B2 |
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JP4496480B2 |
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JP4491674B2 |
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JP2010138575A |
To provide a sampling device which can sure collect sample soil at a target ground depth with proper working efficiency, and a columnar improvement apparatus with the sampling device. In a pipe-like body 3 with both opened ends, a partit...
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JP4488821B2 |
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JP4485378B2 |
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JP4488889B2 |
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JP4486564B2 |
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JP4484216B2 |
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JP4472504B2 |
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JP4463886B2 |
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JP4461390B2 |
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JP4460123B2 |
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JP4458465B2 |
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JP4456296B2 |
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JP2010071672A |
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...
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