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JP2004076763 |
To provide a rubber expansion tube, which can be used for a geological survey, and has a large expansion capacity in the radial direction and a large scratch resistance.The rubber expansion tube 16 expands in the radial direction by the ...
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JP2004076464 |
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...
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JP2004069367 |
To establish technologies to detect reinforcing effect based on displacement of a reinforcing structure, which is deformed in response to displacement of a base structure.A reinforcing structure evaluation system comprises a structure ba...
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JP3525185 |
To provide a three-dimensional investigation method for the bearing power of the soil by solving a problem that a large scale measuring way for bearing power of the soil is necessary because a relatively large scale structure is required...
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JP2004061472 |
To provide a technique capable of preventing a core from being washed away together with slime by excavation water and collecting a geological sample in a fine-grained ground such as a gravel ground and a clay ground, or in a soft ground...
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JP2004060282 |
To easily and highly accurately estimate a position and a dimension of a cavity even in an accuracy-unexpectant place of a geophysical exploration technique without causing adverse influence on strength and administration to a structure ...
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JP2004060311 |
To provide a landslide monitoring method and a system for highly accurately predicting the occurrence of a landslide.Only pore water pressure is set as a variable, and a residual variable is periodically reviewed when planning a landslid...
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JP3524900 |
To provide an efficient design taking account of soil improvement effect by an increasing horizontal earth pressure between piles by the piles driven in a target ground. In the pile driving works driving the piles for every allotted area...
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JP2004053536 |
To easily distinguish AE (acoustic emission) signals from electromagnetic induction noise due to lightning etc. through the use of acoustic emission.The bedrock destruction inspecting apparatus is constituted by arranging an active bedro...
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JP2004053586 |
To accurately determine the shear wave velocity of improved ground and then rationally determine a strength characteristic and a deformation characteristic thereof based on the result.A test piece with a specification equivalent to the g...
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JP2004045081 |
To provide a sample collecting apparatus for facilitating the collection of sediment as a sample.The sample collecting apparatus comprises both a cylindrical collecting tube 2a having an opening 20 in its bottom surface and a crust 3a fo...
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JP2004044327 |
To provide a method of manufacturing the soil mortar having an appropriate strength from the earth and sand gathered in a plurality of construction fields and of improving the soil with the soil mortar to have a target strength over the ...
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JP2004045100 |
To select a cone intrusion test of high accuracy and ground sampling using a fixed piston.In this fixed piston sampler with a cone function, a cone part 5 with the cone function is disposed at the tip of a piston 6 in a hollow pipe of th...
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JP2004045308 |
To provide a sampling apparatus due to a suction type boring that can easily sample undisturbed samples that are required for examining dynamic characteristics such as strength and deformation in the foundation or ground contamination co...
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JP3519190 |
To load a plate smoothly with an eccentric vertical load by a simple method. Hydraulic jacks 4, 4A for loading an eccentric vertical load are arranged, in pair, on the upper surface of a plate 2 mounted on the ground 1 on the opposite si...
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JP3519807 |
PURPOSE: To make it possible to measure actual bearing force of a cast-in-place pile by fixing a plurality of fluid pressure operating jacks equipped with flow regulating devices between reinforced cages, and measuring vertical movement ...
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JP2004036252 |
To provide a method for measuring the bearing capacity of a steel pile, which enables the measurement of the bearing capacity per steel pipe sheet pile in the design of a steel pipe sheet pile foundation and the like.The bearing capacity...
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JP3516230 |
To provide a penetration rod wherein the execution of impact work in a state being held by a chuck unit of a penetration tester becomes possible. A penetration rod is used in a penetration tester, and is provided with a loading table pro...
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JP2004019224 |
To penetrate a rod in a state close to a manual penetration test so as to obtain correct data.This automatic penetration testing machine comprises an elevation base 7 of a prescribed weight composed to be movable up and down, and a rod 2...
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JP2004020531 |
To provide a method and a device for achieving an exact subsurface environmental exploration by preventing any scout hole disruption without using muddy water.In the method, when inserting a core sampler for soil sampling into a scout ho...
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JP2004019110 |
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...
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JP2004011229 |
To provide a reliable large earth pressure gauge having high dynamic responsiveness and sufficiently resistant to long-term use in spite of having a simple and inexpensive structure.When dynamic earth pressure is loaded on the large eart...
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JP2004003361 |
To provide an automatic penetration testing machine very safely and accurately perform lifting and lowering motion of a lift platform and reducing the burden imposed on a worker.The automatic penetration testing machine includes: a strut...
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JP3503927 |
To reduce labor and time required for installing a sample and further miniaturize a three-axis cell itself. At least either a cap 3 or a pedestal 2 is surrounded for providing an annular member 6 that is mounted to a cylindrical cell 5 s...
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JP3503100 |
To make the response of a pile and foundation system close to a static state, by sequentially dropping hammers divided into a plurality of parts to a pile head at a constant time interval. A wire rope 8 is suspended from a hook 3, and in...
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JP3499966 |
PURPOSE: To provide an automatic penetration testing machine wherein lifting operation of a lifting base is safely and accurately performed. CONSTITUTION: A rotatable sprocket 14 is provided on a lifting base, and a guide chain 8 engagin...
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JP2003344368 |
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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JP3497142 |
To provide a bedrock analyzing method which can easily find a permissible supporting force degree at a low cost according to the Rayleigh wave measured on the surface of a bedrock. Through a Rayleigh wave survey, the speed of a Rayleigh ...
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JP2003329593 |
To provide a method for diagnosing degradation in a concrete-sprayed slope capable of integrally, highly accurately, safely, reliably diagnosing the sprayed slope at low costs.A first stage diagnostic method for highly efficiently, simpl...
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JP2003321827 |
To provide a method for manufacturing water permeable anisotropy of the ground capable of easily obtaining coefficient of permeability in the horizontal direction of the ground and coefficient of permeability in the vertical direction at...
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JP2003321829 |
To provide a soil sampling method capable of solving such a problem that a soil sampling in pinpoint accuracy in a deep stratum is difficult.An excavator attachment is mounted on the lower end of an anger screw, and after a bore-hole has...
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JP2003321991 |
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 b...
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JP3491263 |
To accurately and easily measure the deformation characteristic of a ground material on site. A lightweight, hard ball is used and caused to fall freely and the time of contact between the ball and the ground material is measured whereby...
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JP2003321828 |
To provide a ground investigation method making use of S wave amplitude accompanying percussive penetration capable of properly evaluating ground strength with good workability by reducing variations in measuring data while having a simp...
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JP2003313854 |
To provide an automatic penetration tester capable of discriminating the self-sink of a low speed area.This automatic penetration tester comprises a penetration rod 7 formed so as to be penetrated into a ground, a chuck motor 5 for rotat...
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JP2003301445 |
To provide an automatic penetrometer which enables the clear discrimination of self-sinking in a low-speed area.This automatic penetrometer is equipped with: a penetration rod 7 which is to be penetrated in ground; a motor 5 for rotating...
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JP3483643 |
PURPOSE: To simply and accurately calculate the water permeability of the created ground in a horizontal direction. CONSTITUTION: A water supply pit 11 and a water spring-out pit 12 are excavated in the upper surface of the created groun...
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JP2003293353 |
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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JP2003286715 |
To facilitate insertion works into a ground without remarkably increasing a manufacturing cost, and to suck and sample only a desired sample.In a device for inserting a sampling rod 10 with a sampling tube 12 sucking the sample and an ex...
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JP3479227 |
To provide a method and device for measuring underground contaminant concentration capable of measuring the underground contaminant concentration simultaneously with excavating a horizontal well, or always making measurement. A concentra...
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JP2003278141 |
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 liquefacti...
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JP2003278140 |
To measure a degree of saturation of the ground simply to perform pumping of underground water for preventing liquefaction rationally by use of it.In a method for measuring a degree of saturation which becomes an index of strength agains...
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JP2003278171 |
To predict the residual settlement and residual horizontal deformation of the ground where liquefaction phenomenon is caused by earthquake.The earth in situ is sampled from the ground (stratums B-D) to form specimens as element test laye...
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JP2003279452 |
To dispense with an insertion work of a collection pipe for collecting underground fluid such as underground air, and to enable real-time grasping of the pollutant concentration over the whole depth range to be drilled.In this method for...
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JP2003268756 |
To provide a foundation construction method selecting method, a foundation construction method selecting program, and a computer readable recording medium recording the foundation construction method selecting program for allowing anybod...
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JP2003270102 |
To make a direction of a soil sample under the ground such as an inclined direction of a stratum informed, based on a collected core.A cross section of a core tube is formed into a non-circular quadrangle, which face of the core tube is ...
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JP2003262571 |
To measure two-dimensional or three-dimensional extensions such as development and diffusion of local liquefaction occurring at a part of a ground to an earth's surface in a simulation of earthquake in a laboratory test.The method of mea...
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JP3472384 |
PURPOSE: To insert a rod naturally to know accurate geological structure. CONSTITUTION: In an automatically penetrating test machine in which a lifting base moving up and down along a support is provided and a weight having a specified w...
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JP2003254736 |
To provide a shape measurement method for structural body capable of highly precisely measuring an unfinished structural body.A cement paste 1004 charged into the ground for manufacturing a cast-in-place pile 10 is provided with an outsi...
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JP2003253659 |
To provide an automatic penetration tester and an automatic penetration test method capable of accurately detecting vibration caused by sound of friction between a screw point and soil.When the soil bearing capacity of a ground is invest...
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