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JP3862595 |
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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JP3861149 |
To provide a modelling testing device capable of performing an infiltration flow test of stratum deformation considering existence of ground water and deformed model stratum in situ or in either of horizontal and vertical directions. Thi...
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JP2006265962 |
To further easily form improved ground and base isolation ground, and also to form an inexpensively realizable base isolation layer with further high realizability of its formation, by forming weak ground as a base isolation layer, by re...
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JP2006263868 |
To provide a manufacturing device and method of a screw point producing high-quality products at high economic efficiency compared with manufacturing methods by casting and forging.This manufacturing method of the screw point comprising ...
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JP2006266866 |
To observe generation of an underground phenomenon such as a fine crack having a possibility of exerting an influence on safety of an underground facility in the peripheral ground of the underground facility such as an oil stockpiling un...
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JP2006250451 |
To provide a radar exploration device with a radar unit for detecting embedded objects in a ground, having reduced cost by simplifying the arithmetic processing of the radar unit while avoiding unexpected operation of mines if being the ...
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JP3854550 |
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 b...
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JP2006242648 |
To provide a device for monitoring environment in subsurface layer and a system for monitoring environment in subsurface layer using it which can monitor environment of wide subsurface layer without limitation in setting location.There a...
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JP2006241907 |
To provide a supporting device which presses a ground investigating apparatus to the ground stably and strongly.An anchor 9 is embedded in the ground from the supporting device for the ground investigating apparatus 1 having a head 7 ver...
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JP2006241828 |
To accurately take a sediment sample in an excavated hole at a predetermined depth by using a relatively simple constitution.Sample sediment in the excavated hole is taken by using a sediment sampling pipe 9. In the pipe 9, a sediment sa...
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JP2006242893 |
To provide a numerical analysis technology that, when determining probabilistic information (expected values, dispersion) for an attainment extent of underground water stream, can reduce the calculation time and the consumption of variou...
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JP3850543 |
To shorten time required for testing a self-boring pressure meter without lowering work efficiency even if the depth used for a pressure meter test is large and to control the disturbance of the wall of a boring hole to increase degree o...
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JP2006234648 |
To provide a method for a quick loading test of a pile that can obtain reliable data required for quickly and economically determining the support force of the pile.A weight 2 is dropped to the top of the pile 1. The weight 2 changes its...
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JP3848611 |
To increase a ground intensity in accordance with the scale of an external force or reaction force by using a suction action against an external force acting on the foundation of a building immersed in water. In an increasing method of a...
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JP3845807 |
To enhance performance by providing a diagonally inwardly pointed water channel in a tapered surface on the outer periphery of the end of an inner tube, and providing a water channel leading to a recess between blades at the end of a bit...
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JP2006226000 |
To provide a compounding method of a solidification material by which an unconfined compressive strength taking a compaction energy into consideration, a cone index, an air space ratio, a coefficient of permeability, an effective cohesio...
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JP2006225940 |
To provide a construction method of a foundation structure capable of remarkably reducing a construction scale, a construction period of time and a manufacturing cost by supporting the foundation structure on a lime ground.A geological s...
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JP2006219944 |
To propose an earth collector which more reliably holds soil samples collected in a sampler and makes available accurate soil samples with a simple construction.The earth collector 1 includes a tubular sampler 2 that consists of split pi...
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JP3841930 |
To provide a device of measuring ground resistance which simplifies the whole constitution while securing efficiency and reliability of connecting and disassembling works of partial rods. This device of measuring ground resistance is pro...
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JP2006208046 |
To provide a hydraulic shovel capable of measuring the water content of soil, using a relatively simple constitution.A bucket 6 is equipped with an excavation claw 17a on a transmission side for emitting a high-frequency pulse to soil an...
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JP3834679 |
To eliminate the need to draw out a drill rod so as to increase efficiency by solving the problem that sampling of a sample core during boring requires a drill to be temporarily pulled onto the ground and be inserted again into a hole wi...
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JP3832605 |
To provide a sampler that can positively extract a sample of the weak ground without needing a large-scare attachment. An intermediate tube 34 is arranged at the lower part of a core tube 16, and both tubes are connected to each other by...
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JP3831904 |
To enhance the accuracy of discrimination between stratum bedrocks in a construction range which includes a wide variety of grounds from a soft ground to a hard ground. An apparatus is equipped with: propulsion energy computing part 208,...
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JP3830395 |
To provide a method for forming a stake that is driven into firm ground by a drilling machine. The method includes a step for mounting a sensor to the drilling machine for measuring dynamic characteristics in a drilling tool, a step for ...
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JP2006183379 |
To provide an underground sampling tool installable in a tip bit part without removing the tip bit part of an excavator, reducing cost with a simple structure, capable of sampling even a sample of any depth in the ground, and capable of ...
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JP2006183322 |
To provide a method of testing a vertical load on an existing pile which measures a bearing force the an upper end of the existing pile and the peripheral surface friction of the same at a depth lower than a groundwater level under exist...
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JP3823255 |
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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JP2006177802 |
To probe the ground more precisely by making influence due to noise to be less likely.Current is supplied between a pair of current electrodes 3, installed at a ground 2 to be measured at a fixed period for measuring the potential differ...
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JP2006177097 |
To provide a vertical loading test method of a prefabricated pile capable of revaluating a proper supporting function by measuring the front end bearing capacity of the prefabricated pile in a place deeper than the groundwater level and ...
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JP3820652 |
To visually observe the state of the underground without boring a structure by progressing a metal pipe toward an underground structure by the application of a pipe bender, and inserting a micro television camera into the ground through ...
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JP2006169915 |
To provide a vertical load testing method for an existing pile performed for confirming support performance of a pile whether or not the existing pile used for an existing building can be reused as the pile for a new building when recons...
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JP2006170919 |
To acquire an earthquake response analyzer, an earthquake response analyzing method and an earthquake response analyzing program tailored to a behavior of an actual earthquake, and accurately analyzing an earthquake response.When a calcu...
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JP2006169758 |
To provide a ground bearing capacity testing apparatus which can easily measure the settlement of the ground with high accuracy, and to provide a ground bearing capacity testing method.The ground bearing capacity testing apparatus is com...
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JP3820364 |
To provide an intrusion sensor by which a frictional force acting on the side face of an intrusion body in an intrusion state, a total horizontal stress in a direction at right angles to a frictional surface and a pore water pressure can...
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JP2006161340 |
To realize the rational batch processing of the following ground information (water-bearing stratum constant) by requiring only a small number of observations or observation data, and easily and rapidly computing a permeability coefficie...
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JP2006152649 |
To provide a soil bearing power testing deice and a soil bearing power testing method capable of reducing an accident such that a measuring device part collides with an obstacle in moving, while accurately measuring a settlement quantity...
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JP2006152795 |
To provide equipment, a method and a program capable of highly accurately presuming the liquefaction strength curves.First physical quantities (mean diameter D50 and content of fine grain distributed in percent FC) indicating the grain s...
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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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