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JP3765091 |
To provide an overshot for use with a wire line sampler which is easy to unlatch, when drilling the ground with a boring machine and sampling a sample core. A main shaft 44 resiliently energized via a cylinder body 43 and a compression c...
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JP2006028755 |
To provide a general calculation formula on breaking, bearing power and allowable unit stress of the improved ground.As a calculation method on breaking and allowable unit stress of the improved ground, an analysis method based on stress...
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JP2006028988 |
To provide a device which forms a collection hole on the ground for collecting/inspecting gas or underground water in soil in a fire-ban area without using a temporary fireproof wall or a flameproof sheet.The device for forming the subst...
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JP2006023264 |
To provide an apparatus for measuring horizontal/vertical components that can be set in one hole.A displacement sensor that has inner and outer pipes, incorporates a clinometer in the inner pipe, and detects the axial displacement betwee...
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JP2006016901 |
To provide a highly accurate numeric value analyzing method capable of quantitatively incorporating influence of rigidity with respective layers of the improved ground into a settlement/ stress calculation.This equivalent elasticity anal...
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JP2006009319 |
To precisely discriminate respective strata (clay, silt, sand, gravel and others) of a ground uninvestigated point.A factor ai to respective explanation variables is formed, by performing a multiple regression analysis for a plurality of...
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JP2006009262 |
To provide a system, a method and a program for creating and displaying a geologic structure model, which enable the removal of an unnecessary stratum section without designation and selection by a user.This system for creating and displ...
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JP2005350997 |
To determine the physical quantities of various grounds by enhancing the accuracy of the result of measurement and providing a survey method with many loading stages and many cycles, when irregularities exist on a ground installation sur...
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JP2005350873 |
To provide a rod which is brought into continuous contact with a cone moving up and down while following the vertical motion of the rod, without being corotated even if the rod is rotated for the measurement of torque.A lower cone 3, whi...
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JP3753913 |
To create an improved columnar body having a node for enhancing the bearing power for the ground and provide a means for confirming whether a target for the improved soil has been produced. This soil improvement stirring machine 100 with...
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JP2005344309 |
To provide a device for evaluating the soundness of the ground in a short time using a small and simple device, a soundness evaluation method, a ground soundness evaluation program, and a computer readable recording medium recording the ...
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JP2005337760 |
To accurately construct a percolation place in a specific section domain in a base rock, even in the case of a small amount of data of a hydraulic conductivity acquired by boring examination.In this construction method of the percolation...
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JP2005336826 |
To provide a calculation method of lifting bearing power in a slope place, largely evaluating bearing power than a present design method from confirmation of bearing power evaluation and an observation result of a broken surface shape in...
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JP2005331288 |
To provide a display method of a soil constitution by a CPT capable of displaying data of a field test by the CPT and the soil constitution by soil determination on the basis thereof, intelligibly to a user.In this display method of the ...
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JP2005325615 |
To provide a sampling device and a method suitable for gathering a sample such as underground water, sludge and a gel-like substance for a water quality investigation, a soil investigation and an underground cavity blocking-up investigat...
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JP2005325577 |
To collect a soil sample with an arbitrary length till a necessary depth without recovering a core tube of a sampler on the ground.A top end bit 3, the core tube 2, and a coupling head 5 are screwed to the sampler 1. The core tube 2 is s...
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JP3740609 |
To highly accurately determine the velocity of elastic waves through the ground in the case that a foundation ground is shallow or that a seam is interposed. Elastic waves having adjusted phases by pseudorandom binary pulses are generate...
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JP2005320689 |
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 fo...
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JP2005315897 |
To provide a soil sampler capable of carrying out easily drilling work when sampling a soil, and capable of conducting geological inspection for the sampled soil.This sampler is provided with a cylindrical part 2 having a drilling edge 2...
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JP2005314919 |
To provide an automatic penetration tester capable of detecting an accurate self-sinking load.Only a load is applied to a penetration rod, and the penetration rod is self-sunk and penetrated into the ground while increasing-decreasing th...
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JP3736555 |
To provide a method for measuring a ground pressure between a foundation and a bearing ground for using the foundation of an existing structure, according to which a possibility of using the foundation of the existing structure, for exam...
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JP3733528 |
To facilitate fixing of a bender element to an object to be measured when the bender element is utilized in order to determine the shear rate of the ground, or the like. In order to adjust the gap with respect to a material to be measure...
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JP2005299337 |
To secure sufficient consolidation strength within a required period in the case of using blast-furnace slag as a back-filling material of a quaywall.The blast-furnace slag is used as the back-filling material of a wall body of the quayw...
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JP3732719 |
To provide a method for measuring an amount of ground subsidence capable of measuring the amount according to a plurality of layers, by facilitating judging of a border of the respective layers of the ground even when the ground is made ...
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JP3731938 |
To enhance the measuring accuracy of geological surveying by discharging the excavated waste to the ground by means of air lift at the time of excavation, and by interposing a filter to the water passing part. Before starting the measure...
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JP2005290888 |
To reduce an execution cost by using as a bearing layer a stratum suitable for the use load of a press fitting bearing pile obtained by ground improvement, to enhance the reliability of the support pile by obtaining the characteristics o...
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JP2005283265 |
To provide a measuring instrument capable of accurately measuring a shearing wave speed, even in a state with water and soil being separated by liquefaction, and to provide a measuring method.First, a cylindrical body 2 closed at one end...
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JP2005282259 |
To provide a boring device enabling the replacement of the cutting edge of a casing metal without pulling back a casing pipe to the ground and capable of increasing drilling efficiency by preventing the back-filling of an excavated porti...
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JP2005282138 |
To provide an earth sampling device capable of easily and surely sampling earth existing in a desired depth position.This earth sampling device 4 has a rod part 5, a thin shaft part 6, an auger 7, a cylindrical body 8, a pin 11, inclined...
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JP2005273218 |
To evaluate and compute the behavior of groundwater, which reflects a change in coefficient of permeability of a bedrock, associated with the progress of the excavation of the bedrock.This apparatus is equipped with: a coefficient-of-per...
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JP2005274445 |
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 consti...
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JP2005264505 |
To provide a construction management method for pile driving carried out easily at a low cost.In the construction management method for pile driving carried out by measuring the penetration amount 62 and rebound amount 61 of a pile 4, a ...
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JP2005256519 |
To provide an axial force measurement method of a ground improvement pile which measures transmission state of axial force of the ground improvement pile after construction of a structure and evaluates intermittently vertical supporting ...
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JP3719648 |
To provide a ground hardness measuring device and a ground hardness measuring machine usable by being installed in a relatively small vehicle by miniaturizing the device constitution, and obtaining an accurate measured value. A guide col...
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JP2005248465 |
To provide a ground liquefaction determining method for easily determining the possibility of liquefaction of a target soil stratum.According to the ground liquefaction determining method, limit values of grain size major portions obtain...
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JP3717163 |
To conduct quick measurement by multiplex oscillation, possible by enabling separation of signals oscillated concurrently from a plurality of oscillators. This non-destructive measuring device is configured so as to transmit or receive a...
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JP2005232715 |
To provide a simple measuring system which is an application of a dynamic penetration test method, simultaneously evaluates not only the dynamic strength (penetration resistant value) as the dynamic characteristics of the ground but also...
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JP2005232737 |
To provide a method for determining the depth of an impervious wall to be constructed in the excavation of ground, in accordance with the actual measurement of the coefficients of the horizontal and vertical permeability of the in-situ g...
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JP2005227233 |
To provide a measuring system of a ground density having a short measuring time of the ground density, and capable of avoiding waste of construction by enabling measurement approximately in parallel with a construction work.This measurin...
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JP2005226412 |
To provide a sediment gathering device capable of gathering sediment of the accurate specific volume in a short time, and usable for measuring ground density.This sediment gathering device 10 can gather the sediment of the specific volum...
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JP3711082 |
To provide a distinguishing method for supporting force characteristic, a software, and storage medium for realizing a distinguishing device for a supporting force, a dynamic loading tester, and a distinguishing device for the supporting...
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JP3706993 |
To provide the testing method of tunnel stability that does not require much costs and can simulate conditions required in an substantial scale when discussion the dynamic behavior of a tunnel and surrounding ground especially in a tunne...
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JP2005213975 |
To provide a load transmission device capable of efficient loading, and also minimizing noise and vibration generated after first loading.A load transmission device 1 placed between a load 4 and a force receiver 5 comprises springs 2, at...
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JP3704604 |
To provide an inexpensive versatile drilling rig with a simple structure hardly generating a noise in spite of using a hammering by hammer and usable not only for excavation (drilling) but also for geological investigation or penetration...
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JP3705538 |
To provide a soil evaluation device capable of evaluating rapidly, safely, and ecomincally conditions of cutting faces, ground, etc., in an excavation work of unsolidified ground, an embankment, a ground improving work, etc. A cone penet...
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JP3706613 |
To provide a support layer selection program for easily and accurately selecting a stratum adoptable as a support layer for supporting a structure from survey data. Only the penetration depth data D determined as the support layer by 20k...
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JP3704257 |
To quickly carry out estimation of ground properties without incurring increase in cost of a ground property estimating system. Boring data at each predetermined depth are collected by means of a data collecting/recording device 140 of a...
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JP3694748 |
To provide a sand sampling auxiliary instrument capable of sampling sand effectively. A plate part 1 having side plates 3 and a top plate 4 formed thereto is vertically embedded in sand soil. Window parts 2 and window plates 5 for openin...
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JP2005180137 |
To provide a dynamic loading testing method capable of accurately measuring axial force of an impact object such as a pile, and capable of highly accurately calculating bearing power over the whole of the impact object.This dynamic loadi...
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JP2005179442 |
To provide a method for securely attaching an object on the surface of a sunken or wet object within a short time using an instantaneous adhesive.The instantaneous adhesive is applied onto the object to be attached and covered with a non...
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