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JP3812721 |
To provide a sampling device of a stratum sample capable of surely sampling an areal and vertical section of the stratum in an undisturbed state. The sampling device of the stratum sample is constituted of a body having an open surface o...
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JP3811824 |
To provide a standard penetration testing device superior in convenience in use, and capable of highly accurately performing a standard penetration test. A scale 13 is installed in a vicinal position of a knocking block 4. A drive hammer...
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JP3813786 |
To provide a soil sampling and analyzing device capable of gathering soil in relatively large quantities without disturbing a layer structure in a natural state and capable of easily performing various measurement and experiments such as...
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JP3809620 |
To improve the efficiency of data processing by slowly lowering an automatic measuring recording device installed to a guide pole in a time- difference follow-up manner and relaxing an impact at the time of penetration. When an automatic...
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JP3807894 |
To develop a curing method capable of easily performing curing while compacting treated earth after adding a hardener, that is, consolidation curing including removal of oozing-out water from the treated earth and a curing device for ena...
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JP3808712 |
To provide a tracer inserting device and a single-hole tracer testing method capable of setting a test zone in the heterogeneous ground and optionally setting the water pressure and tracer concentration in the test zone with high precisi...
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JP2006132216 |
To provide a screw point for use in a Swedish sounding test, which ensures and facilitates mounting and dismounting thereof without using a special tool or without being scratched or damaged during execution of mounting and dismounting w...
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JP3803922 |
To provide a method and a device for testing the liquefaction and dynamic properties of ground in situ by utilizing a borehole, which can provide dynamic deformation properties with respect to a repeated load on a soil layer in an arbitr...
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JP2006124936 |
To provide a survey method and a survey apparatus, which enable a survey on a bedrock and the like, particularly a survey on a crack and the like to be simply and rapidly performed, and which make the survey reliable.A down-the-hole hamm...
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JP2006125949 |
To make an undisturbingly-taken slide plane coincide with an under-test shear plane and to cause luster of an actual slide plane and friction marks to be satisfactorily maintained on a post-test shear plane, as to a shear testing apparat...
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JP3801852 |
To easily and surely sample an improved soil at a predetermined position as it remains intact without being compressed, even if highly viscose, during sampling the soil in an improved ground, and to quickly sample the improved soil in th...
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JP3802510 |
To realize an improvement of an analyzing accuracy in a seepage flow analysis using a crack network model. After a baserock to be evaluated is modeled with a crack in the baserock as a crack network model imitated by a disc-like crack pa...
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JP3800521 |
To surely measure shearing wave velocity in a hard material such as improved ground or concrete. A resonator protection layer 20 is formed on an end face of a base block 11 of this bender element 10 by covering the circumference of a pie...
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JP3799699 |
To solve the defect of slipping-off from a set place of a core inner tube assembly that in an conventional art, a latch is closed by a maloperation by vibrations during excavation and excess back-flow water during excavation works after ...
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JP3803338 |
To attain an increased efficiency of work and the maintenance of a hole wall by using a submerged type boring machine in the sea bottom and adapting a wire line system. This wire line core sampling device uses a boring rod held by the ch...
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JP3800509 |
To simply measure a degree of saturation of ground and pump underground water for preventing liquefaction using the measurement rationally. In this method for measuring a degree of saturation which becomes an index of liquefaction streng...
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JP3800525 |
To simply measure the degree of saturation of ground to thereby rationally perform ground water pumping for preventing liquefaction. According to this method for measuring the degree of saturation as an index of strength to the liquefact...
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JP3797596 |
To provide a means capable of easily executing sampling of the impoved soil located at a required positon of an improved column body and easily making a spciment to be used for testing the improved soil without changing any condition of ...
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JP3798281 |
To provide a ground examining method and device capable of obtaining the accurate data of the ground. This ground examining device 1 is formed to continuously measure a rotary load and a tip depth when pressing a rod provided with excava...
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JP3798860 |
To enable a maximum underground water level detecting device to easily and cheaply detect a maximum ultimate water level for a limited period, smoothly remove gas generated from the bottom of a borehole in spite of small diameter of the ...
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JP3795721 |
To provide a small-sized automatic repeating one surface-shearing testing apparatus measuring the friction force between shearing box-test piece shearing surfaces or caused by the leakage of a sample by the small-sized high rigidity load...
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JP2006104763 |
To provide a screw point for use in a Swedish type sounding test, positively meeting characteristics demanded for a body part and each mounting part.The screw point 10 mounted to the tip of a rod 11 in carrying out the Swedish type sound...
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JP2006105730 |
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 part...
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JP3793726 |
To provide an installation device for installing an untraditional epoch making geological survey instrument in the ground. The pump device is arranged in the ground to pump ground water and provided with a ground water storage body 3 hav...
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JP3788234 |
To obtain continuous information with a definite bearing. In this inspecting method, a drilled hole 12 of a predetermined hole diameter is excavated and formed to a depth to be inspected in the ground 10. A ground inspecting device 14 is...
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JP2006089931 |
To provide a soil cement inspection method for sampling and inspecting uncured soil cement by using a sampling rod dividable into two pieces, and to provide a device for use in the method.According to the soil cement inspection method, a...
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JP2006090874 |
To provide a rapid load testing machine achieved in miniaturization and weight reduction, enhanced in testing work efficiency, having a simple structure and excellent in cost or maintenance properties.A reaction force receiving device 5 ...
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JP2006083637 |
To easily obtain the rigidity of the ground in a horizontal direction of a pile compared with a conventional horizontal static loading test.In a method of computing the rigidity of the ground in the horizontal direction of the pile 1, th...
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JP3785340 |
To integrally take the whole body of a core including its front end in an inner tube by releasing the core from a state where the front end of the core is pinched by means of a core lifter. The core 10 is made to enter into the inner tub...
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JP3785330 |
To facilitate advancing work in collection of soil, and to facilitate geological inspection for the collected soil. A feed screw 24 is provided in an inner circumferential face of a cylindrical part 2, in this sampler provided with the c...
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JP3781022 |
To provide a measuring device being constituted so that the outer peripheral surface of a pressure sensing device can be inserted into the pit of a frozen ground without fatally damaging the outer peripheral surface resulting from the ex...
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JP3782845 |
To make it possible to inexpensively, easily and safely make measurement by sucking a tracer gas into a tracer gas leakage detector from an observation hole or ground surface or waste surface, detecting the presence or absence of this tr...
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JP2006070619 |
To provide a core sampling boring method superior in deoxidation efficiency more than a conventional oxygen free water generating system, and including inert gas of the optional mixing ratio in response to a sampling-boring advancing con...
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JP2006070618 |
To provide a core processing method for performing the whole operation on a work deck for treating a core tube for storing a core without interrupting an oxygen free state.The core tube is temporarily packed under oxygen free water store...
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JP2006063610 |
To provide a convenient steel pipe press-in/extracting device for efficiently and safely performing press-in and extracting work of a steel pipe.This steel pipe press-in/extracting device is composed of a stand 7 forming a frame shape so...
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JP2006058136 |
To accurately grasp an average substance migration characteristic of a sample by a quantitative data.This testing device is provided with the first chamber constitutive member 3 for constituting the first chamber 3a along the first plane...
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JP2006057380 |
To provide a load testing method for a piled raft foundation in which both of a pile foundation (a pile) and a spread foundation (a raft) are used.A test pile is constructed in the ground. To structure a piled raft test object, a spread ...
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JP3774018 |
To measure stress with accuracy without using a cable which demands for troubles, such as cutting or application of pressure sealing which is difficult to be executed. A water supply pipe 5 attached to an impervious device 4 having a pai...
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JP3772218 |
To perform work, wherein a soil sample penetrating into a soil sampling tube is gathered by making the soil sampling tube penetrate into soil by a predetermined depth and pulling it out, in a labor-saving manner by man power. A handle ha...
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JP3772877 |
To provide a water permeability test device measuring the coefficient of water permeability in the vertical direction of an in-situ ground by unagitated samples. In a vertical direction water permeability test device of the in-situ groun...
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JP3772872 |
To provide a vertical water permeability testing device suitable for carrying out a method of measuring the permeable anisotropy of the in-situ ground. The vertical water permeability testing device is composed of an outer pipe rotated t...
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JP3772880 |
To provide a vertical direction water permeability test device equipped with an intrusion distance decision mechanism of an unagitated sample taken in. The intrusion distance decision mechanism provided with an intrusion distance decisio...
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JP3772884 |
To provide a vertical directional water permeability testing device of the original position ground capable of testing water permeability by a steady method. This vertical directional water permeability testing device of the original pos...
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JP3773772 |
To perform a measurement extending over several tens km by catching a subject to be measured as a line and to perform a precise and real time measurement of distortion by suppressing the temperature of a laid optical fiber. This method c...
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JP2006045766 |
To provide a technology for easily and efficiently replacing soil, capable of replacing the soil with a good-quality soil by locally and vertically excavating up to the relatively deep depth.This soil replacing method performs a process ...
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JP3768997 |
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, wh...
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JP3768208 |
To more accurately reproduce the actual phenomena such as the change of underground water or stress condition, etc. in the field ground in which the super well point construction method is executed. The invention is an miniature model 1 ...
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JP2006037387 |
To provide a permeability test evaluation system and a permeability test evaluation method capable of estimating a hydrogeological structure with high accuracy from the result of a cross hole permeability test executed in a homogenous ba...
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JP2006038455 |
To provide a ground liquefaction analyzing method using an FEM program capable of simply modeling the action of water resisting against the volumetric deformation of a constitution rule of soil when earthquake response analysis consideri...
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JP3765093 |
To simplify the structure of a wire line unit, by fitting loosely a piston provided in a core barrel head of a recessed part provided in a guide coupling and confirming the set condition. This set confirmation device is constituted of a ...
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