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Matches 1,401 - 1,450 out of 3,415

Document Document Title
JP2007327731A
To provide an earth resource thermosiphon system allowing accurate system design to be carried out and allowing an optimum apparatus to be selected. The condition of a ground 3 of an investigation object is nondestructively detected by u...  
JP4025485B2  
JP4017848B2  
JP4014975B2  
JP2007301420A
To provide a cleaning method for contaminated soil capable of confirming spreading in a depth direction of a nutrient poured to the contaminated soil and sufficiently cleaning the contaminated soil without obstructing a dechlorination re...  
JP4010642B2  
JP2007297832A
To provide a soil sampling device capable of sampling the earth at a desired depth without digging it in advance. This soil sampling device is provided with sampling bodies 1, 2 having bottomed recessed parts 4 opened at upper ends, rods...  
JP4006884B2
To perform a logging operation precisely and efficiently in the depth direction inside an excavated hole by a method wherein an elastic packer is attached to the whole outer circumference in the intermediate part of a water passage in a ...  
JP2007284961A
To provide a device for gathering soil easily extracting housed soil and having a high convenience. The device 1 for gathering soil is composed of a cartridge 3 for housing gathered soil on the inside, a holding arm 23 for fixing the car...  
JP2007530935A
A process for locating and measuring deformation in a civil engineering structure wherein at least one geosynthetic fabric (1) containing a plurality of optical fibers (2a to 2e) in parallel and capable of transmitting signals is applied...  
JP3999722B2  
JP4002228B2  
JP3136276U
To collect a sample for a simple penetration tester capable of collecting a soil sample, not excessively affecting a peripheral frictional resistance at a deep depth, easy work at the time of extubation, and maintaining a relationship of...  
JP3136057U
To drive a portable drill which is economical and highly safe and has high mobility in soil contamination survey boring and can easily pull up a sampling pipe without a separate device such as a jack. I will provide a. A drill head 4 mad...  
JP2007263957A
To estimate the flow conditions of ground water at low cost and with high accuracy in short times. In a steel pipe 101 preparing a spiral blade 101a for digging at the apex circumferential surface, are prepared a coating nichrome wire (h...  
JP2007255012A
To provide a vane shear testing device attaining measurement of high accuracy by providing a torque meter at a part uninfluenced by the load of a rod. The vane shear testing device is composed of a rotating rod 3 pushed close into the te...  
JP3984610B2  
JP3986187B2  
JP3986388B2  
JP2007247226A
To facilitate the estimation of ground displacement and the determination of ground liquefaction based on various ground data. In a method of estimating the ground displacement caused by an earthquake, the ground displacement correspondi...  
JP3135764U
To provide a wire line core sampling device for a rotary percussion drill capable of reliably sampling a core on soft ground. An outer tube assembly to which a drilling bit for cutting out a core is attached at a lower end and a sampler ...  
JP3983345B2  
JP3978411B2  
JP3977271B2  
JP2007231729A
To provide an improved method for prior survey in constructing a tunnel. The propagation model of seismic wave is based on characteristics of surface waves O in a tunnel wall part 3. These surface waves are propagated to a working face r...  
JP2007225405A
To provide a triaxial testing machine capable of performing a liquefaction test even with respect to unsaturated soil by a simple constitution. The triaxial testing machine is equipped with a repeated axial load applying cylinder 23 for ...  
JP3969521B2
To provide a penetration tester capable of easily detecting, with a single unit, the development depth of a root system near a ground surface, and the strength, density, and tightness of the ground and, at the same time, detecting a boun...  
JP3969118B2
To provide an instrument for simply and highly precisely measuring the vacuum degree between a ground surface and a covering material at low cost. This vacuum degree measuring instrument is provided with a vacuum gauge 17 directly or ind...  
JP2007218773A
To provide a rotation preventing device capable of calculating high-accuracy underground density, and to provide a measurement method for underground density that uses the same. The rotation prevention device 10 can be mounted on a hole-...  
JP3965591B2
To prevent a core from flowing out owing to circulation water even in a soft ground and securely obtain samples, by protruding the front end of a sampler from the core bit by the urging force of a spring to contact the excavating ground ...  
JP3966769B2
To provide a strength measuring method of the ground at the present position, in which the ground strength at the present position can be efficiently measured by SST by grasping the correlation between CPT (cone penetration test) and the...  
JP2007211521A
To provide a loading test method for a cast-in-place pile, which enables an accurate test result to be obtained by surely separating a standpipe and the cast-in-place pile from each other. In this loading test method for the cast-in-plac...  
JP3134619U
To provide a horizontal loading tester in a hole having a simple structure capable of acquiring data of hole wall pressure and hole wall displacement fully automatically.further,Excavation bit that can minimize the disturbance of the hol...  
JP2007211520A
To provide a loading test method for an earth retaining pile, which dispenses with the construction of a structure for being exclusively used to bear reaction, and which enables a great push-in force to act on the earth retaining pile. I...  
JP3964729B2
To provide a ground-water treatment method capable of three- dimensionally analyzing ground-water or the like and efficiently collecting the ground-water with the reduced number of borings. The ground-water treatment method using curved ...  
JP3963139B2
To provide a theoretical formula for an allowable stress of an improved ground in consideration of influences on depth up to the foundation bottom from the ground surface, the ground water surface and a lower soil layer of the improved g...  
JP2007197941A
To provide an inter-hole permeability testing method and a grout effect determining method capable of efficiently investigating gas permeability of base rock of a wider range. A plurality of boring holes h1 and h2 arranged in the base ro...  
JP2007191939A
To solve the problem of limit of an application range by high or low rigidity at upper and lower parts of a multilayer substrate on a presently proposed formula enabling the influence of rigidity of each layer of the substrate to be quan...  
JP3952138B2
To provide a method for evaluating a coefficient of earth pressure at rest of ground into which a pile or a sand compaction pile is driven, which allows the proper evaluation of an increase in the coefficient of the earth pressure at res...  
JP2007177557A
To provide a method and apparatus for researching the ground which enable precise and stable research on the characteristics of the ground in a simple manner.According to the method and apparatus for researching the ground, an S wave gen...  
JP3943049B2
To provide a casing pipe type soil sampler capable of increasing efficiency of sampling work of a soil sample and obtaining continuity of the soil sample sampled over a plurality of times. The inside of a sampler body 21 is filled with t...  
JP2007169988A
To provide a method for pressing a pile into depth where sufficient bearing power can be obtained without rotating the pile even when sufficient press-in load cannot be applied to the pile like the case of driving the pile under an exist...  
JP3940608B2
To provide a tool which can easily measure an N value of hard ground. The tool which can easily measure the N value, i.e., the N value measuring tool, exhibits a rod-like shape as a whole, and has a mounting portion at one longitudinal e...  
JP3940396B2
A method for determining the liquefaction tendency of a water saturated soil is provided in which a driven or self boring probe with a plurality of expanding and contracting bladders imposes a cyclic shear stress reversal on a body of so...  
JP3941070B2
To precisely evaluate the rigidity of the ground by measuring the original accurate rigidity of the ground without exerting the effect of load history on the ground and enhancing the correlation with another on-the-spot testing method su...  
JP3941065B2
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...  
JP2007162444A
To provide a method which prevents hexavalent chromium from being eluted to the outside in a method of improving soil.Modified cement milk formed by treating of cement milk by a reducing agent is mixed with soil in the presence of a gran...  
JP3935717B2
To provide a novel installation device for installing a geological survey implement underground. The device is used for installing underground geological survey implements 5 such as various kinds of measuring sensors or water pumps. The ...  
JP3931798B2
To provide a tip jig for a device for measuring specific resistance whose rod inserting into the unhardened ground improving body is not a rod designed solely for measuring specific resistance but just a rod used for the ground improving...  
JP3931676B2
To obtain analytic results reflecting performed work and make them highly accurate. A drain material is driven into soft ground; a part above the drain material is covered with an airtight sheet; and the inside of the airtight sheet is d...  

Matches 1,401 - 1,450 out of 3,415