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Patent Searching and Data


Matches 451 - 500 out of 2,127

Document Document Title
JP2008069860A
To provide a channel change-over valve controlling water flow of a plurality of systems by delivery/drain of water and not having an on/off trouble due to interruption of electricity supply or the like and a problem on explosion preventi...  
JP2008069535A
To shorten the test time and to obtain data with high reliability.This testing device for measuring the bearing power of a pile 12 buried in the ground 10 uses a measuring device 16 for measuring loading load applied to a pile head part ...  
JP2008058045A
To provide a sample collection device for soil pollution investigation, which investigates accurately soil pollution, and also to provide a soil pollution investigation device using it.Water is sucked through a water suction pipe dispose...  
JP2008051502A
To provide a measuring method and an apparatus capable of electrical logging through the use of holes bored by testing equipment for ground survey such as a Swedish type sounding testing equipment capable of easily boring small-diameter ...  
JP2008052143A
To provide compact, portable, and maintenance-free liquefaction experimental equipment capable of reproducing a liquefaction phenomenon in a state closer to reality, capable of giving a viewer the right image before and after liquefactio...  
JP2008039721A
To provide a fixed azimuth sampling method for sampling soil in a stratum in order to measure the azimuth of the stratum having some depth.A boring hole 2 is excavated in the ground, and a sampling tube 6 is provided with a mark thereon ...  
JP2008025217A
To provide an underground monitoring method for monitoring an underground space by using a boring hole, in which the method facilitates recovery and reset of measuring instruments set in the boring hole, prevents inflow of water into the...  
JP2008019597A
To objectively and accurately measure bearing strength of a pile, regardless of a measured value of a dynamic resistance component.This bearing strength measuring method of the pile is characterized by having a collision stage of collidi...  
JP2008020424A
To solve a problem of deterioration in measurement precision due to influence of inertia force of a plate and the like affecting a measurement result as a conventional compact FWD has a structural problem.In place of a conventional defle...  
JP2008015751A
To provide a system for establishing and controlling a system capable of accurately and early giving an earthquake alarm to a factory which can hardly make the whole body of building/machine/piping or the like into an earthquake-resistin...  
JP2008008067A
To provide a sampling and working/test method of a core and a system therefor which can form sterile water and can use it as drilling water without chemically disinfecting the drilling water, and which can accurately obtain bearing infor...  
JP2008008066A
To solve a problem wherein some of the conventional techniques use sterile water, which is made sterile by disinfection by chlorine treatment, for drilling water, and that the drilling water inevitably contains chlorine, thus a collected...  
JP2008002065A
To provide penetration type soil sampling equipment which obtains a high-quality soil sample for an advanced indoor test, and particularly targets the unconsolidated ground composed of cohesive soil, sandy soil and fine gravel.This penet...  
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...  
JP2007177451A
To accurately obtain stratum data for determining an excavation depth; to shorten a construction period; and to reduce a construction cost and an equipment cost.In a method and equipment for prospecting a stratum, a chain 8 with an excav...  
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...  
JP2007163275A
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...  
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...  
JP2007155495A
To provide an investigation method of underground contamination which makes a small number of times enough for investigation, enables investigation even in a region covered with a building or the like, and simplifies excavation work.When...  
JP3969521B
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...  
JP3969118B
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...  
JP2007146541A
To provide a method and a device for groundwater sampling hardly influenced by the change in the pressure and the temperature, or by the contact with the air, after taking the water to the ground surface.The water sampling device 11 incl...  
JP2007146627A
To provide a ground bearing force testing device capable of easily measuring ground bearing force at a low cost and in a short time although accuracy in testing ground bearing force is slightly inferior.The ground bearing force testing d...  
JP3965591B
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 ...  
JP3966769B
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...  
JP2007138627A
To provide a dynamic horizontal loading test device capable of preventing a weight from returning due to reaction force after the weight collides against a pile in a dynamic horizontal loading test of weight system and rail wheel system....  
JP2007138625A
To provide dynamic horizontal loading test method and device for a pile for eliminating a necessity of a reaction force device used in a static horizontal loading test, conducting a horizontal loading test with high precision at low cost...  
JP2007138626A
To provide a dynamic horizontal loading test method for a pile for preventing the occurrence of vibration peculiar to a cavity of the pile by merely stuffing a section where a weight of the pile collides with filling in a dynamic horizon...  
JP2007139454A
To provide a capacity evaluation device of a pile capable of accurately evaluating the capacity of the pile not subjected to a load test.The capacity evaluation device of the pile is equipped with an estimate N value calculation means 10...  
JP3963139B
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...  
JP3964729B
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 ...  
JP2007132061A
To provide a liquefaction inhibiting method which increases strength against liquefaction by treating the inside of the soft ground in an unsaturated state, and liquefaction inhibition performance maintaining equipment for implementing t...  
JP2007132088A
To provide an underground contamination surveying method for correctly, easily, and inexpensively surveying soil and a groundwater area containing contaminants, and to provide a pumping system for use in the method.The pumping system is ...  
JP2007132854A
To provide a ground vibration velocity measuring method capable of applying vibration by the same condition to a plurality of points of measurement, and obtaining uniform surface-wave survey results concerning the plurality of points of ...  
JP2007132115A
To forecast a soil improvement effect by taking into consideration ground conditions and blasting specification conditions, and to thereby set blasting specifications with high accuracy.A water impact ratio Ud/σV' is estimated from a re...  
JP2007132058A
To provide a sampling method and sampling equipment which are suitable for the collection of a sampling from the ground etc.The sampling equipment 10 enables a sampling pipe 11 to penetrate a sampling area 1 in which the sampling is coll...  
JP2007120165A
To provide a soil sampling device which facilitates sampling works.The soil sampling device is provided with a soil storage rod 2 and a top end part 3. In the soil storage rod 2 a plurality of soil storage parts 4 etc. which are opened t...  
JP2007120959A
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 ...  
JP3952138B
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...  
JP2007114079A
To provide a subsidence measuring technique and a device thereof, capable of simply measuring a large number of depths, with superior cost benefit and workability.The subsidence measuring technique is characterized by burying a retractab...  
JP2007113290A
To provide a method and a device for fixing a casing pipe separated except a specified section such as a discontinuous face position in a rock mass.This separation casing installation device 1 has two casings 5, 5, mechanical packers 6 f...  
JP2007098330A
To provide a system which monitors the progress conditions of purification workings of contaminated soil and ground water and which is capable of properly coping with the situation after the initiation of the purification workings and of...  
JP2007101292A
To provide a simple test method for the degree of decomposition in highly organic soil, instead of a phon post method, capable of more quantitatively accurately determining the degree of decomposition in the high organic soil in a sampli...  
JP3941070B
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...  
JP3941065B
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...  
JP3943049B
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...  
JP2007092353A
To provide a permeability evaluation method capable of minutely detecting the continuity of an individual watercourse in a base rock and a device.A pair of boring holes 10 and 20 are bored in the base rock 1 in parallel with each other, ...  
JP3940608B
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...  
JP2007085137A
To provide a ground improvement work evaluation device capable of simultaneously evaluating performance while performing ground improvement work.An investigation torque curve 125 and an Nsw curve 127 for indicating investigation torque o...  
JP3935717B
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 ...  

Matches 451 - 500 out of 2,127