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JP2005023547 |
To provide a penetration testing machine capable of preventing damage of a part at dividing/assembling time, by simplifying a connecting part structure of respective block elements.This automatic penetration testing machine has a stand 2...
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JP2005016185 |
To simply assemble and disassemble a strut fixing device and to effectively use a strut.In an automatic penetration testing machine, a strut fixing member 10 of a base 2 is provided with a pressure block 11 freely projecting and recessed...
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JP2005016145 |
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 o...
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JP2005016186 |
To provide a penetration testing machine, always smoothing the elevating operation of an elevating table.This penetration testing machine includes: an erected column 2; the elevating table 3 provided to elevate along the column 2; a chuc...
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JP2005016187 |
To provide a penetration testing machine, quickly and easily installed in a predetermined attitude.This penetration testing machine includes: an elevating table 3 elevated along an erected column 2, a chuck 4 provided on the elevated tab...
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JP2005009983 |
To provide a ground information processing method which accurately and speedily computes ground information to be used for designing an earth resource system.A surface wave exploration means 4 is used to nondestructively detect the condi...
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JP2005009253 |
To provide an automatic penetration testing machine and a method for pulling out a penetration rod by which the penetration rod can be pulled out surely from a ground.The automatic penetration testing machine has a vertically movable pla...
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JP2005002731 |
To provide a rod chuck of a penetration testing machine having high strength and maintenability.This rod chuck is constituted to hold a penetration rod 6 by engaging a steel ball 42 with a long groove 6a of this rod 6, by inserting the r...
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JP2005002711 |
To easily and correctly determine a critical hydraulic gradient of soil.A hole is drilled in the water permeable ground; a hydraulic gradient is increased by gradually reducing a water level in a drilled hole 3; a boiling phenomenon of j...
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JP2005003657 |
To find frequency effects in a polarization characteristic as one of electrical characteristics of the ground, in response to a distance in the direction of an axis of a drill hole and a distance in a direction orthogonal to the axis of ...
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JP3631631 |
To smoothly draw out a penetration rod while reducing labor burden of operators for the drawing work for the rod. This device is provided with a slide block 13 which can be linearly and reciprocally slided by the drive of a hydraulic cyl...
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JP3629676 |
To sample water from a plurality of aquifers by boring one site at the same position. This multiple observation well for aquifers comprises outer pipes 1, 2 each having at its lower end 13 an intake 16 for sampling water from the aquifer...
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JP3632023 |
To provide a soil investigation method capable of discriminating the natural ground, a colluvial deposit, a cavity or the like by utilizing drilling data obtained from a rock drill. In the soil investigation method based on the drilling ...
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JP2004361193 |
To easily perform the in-situ collection of samples and implement highly precise water permeability tests on the collected samples under a pressurized condition in a triaxial state similar to their original positions.This water permeabil...
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JP3629002 |
To make the work of testing simple and easy, and reduce the working time of the test when carrying out water permeability test of a standing timber. The apparatus for testing water permeability 13 includes a measuring means 14 which meas...
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JP2004354195 |
To provide an evaluation method for a cavity and loose region of a sandy ground capable of appropriate determination by using the test results of the specific resistance distribution and the results of an original position test of a stan...
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JP2004347490 |
To precisely and exactly express liquefaction of a ground, based on acquired information, and to allow easy measurement at a low cost.In this intrusion probe intruded into an underground to examine a liquefaction characteristic of the gr...
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JP2004346573 |
To accurately evaluate quality while cutting down time, labor and costs, even if an area of ground, whose quality is to be determined, is large.When the ground is constructed (step Sa1), indexes about the ground are actually measured at ...
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JP2004346668 |
To provide an automatic penetration testing machine which can always quickly carry out change of a load.The automatic penetration testing machine has a sprocket 21 rotatable upon penetration of a penetration rod 6 into the ground, and a ...
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JP2004339754 |
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 th...
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JP2004339820 |
To improve workability of sampling of soil under an underground floor slab, and to ensure cut-off performance even if the underground floor slab is thin.This method comprises: a process for fixing an impervious device 4 to the undergroun...
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JP2004339840 |
To simultaneously collect soil samples at two places in a surface layer and a deep layer by using a structurally simple device.A core tube 1 for the surface layer is fixed to an outside holder 32 by means of a chuck 5. A core tube 2 for ...
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JP2004340604 |
To provide a sand sampling auxiliary instrument capable of sampling sand effectively.A plate part 1 having side plates 3 and a top plate 4 formed thereto is vertically embedded in sand soil. Window parts 2 and window plates 5 for opening...
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JP2004339931 |
To provide firstly a method for assuming consolidation yield strength based on the result of subsurface sounding tests (if consolidation yield stress can be determined here, consolidation deformation is determinable using the existing ca...
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JP2004332400 |
To save time and labor required for obtaining coefficients of subgrade reaction, at a number of locations.There is provided a method of measuring a coefficient of subgrade reaction. According to the method, after construction etc. of the...
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JP2004332392 |
To provide a soil sampling apparatus which has a simple structure, not only makes use of scout holes formed in the ground as a result of the Swedish sounding method but also makes effective use of the simplicity that is a characteristic ...
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JP2004332462 |
To provide an automatic penetration testing machine having hammering measurement functions for realizing the measurement of the accurate hammering data in hammering work.When a penetration rod 7 runs into gravel or the like in the middle...
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JP2004333396 |
To accurately measure the physical quantities of the ground, based on the measured results of a load and displacement obtained, when a plumb bob is made to dropon a loading plate installed on the ground.In a ground measurement apparatus,...
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JP2004333245 |
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 pat...
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JP2004332314 |
To prevent an increase in vessel cost, by storing a soil sample, by using a tube made of a transparent and thin resin film.This soil sampler is composed of a cylindrical body 13 having a connecting part 12 in a base part, and having an e...
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JP2004332215 |
To prevent the mixing of an error into a measurred value by the slipping of a screw point in a method and a device for investigating soil, in which a static penetration resistance is obtained.A drill 8 is added to a penetration front-end...
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JP2004333178 |
To provide a lightweight foundation vibrator for easily performing repetitive vibrations in the foundation vibrator used for a focus in geological exploration, or the like.The foundation vibrator comprises a fluid medium 20 arranged on t...
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JP2004324311 |
To provide a checking method for bearing capacity of a pile which is a highly reliable static loading test and which method can reduce the construction term of pile driving including reaction test without the necessity of a reaction devi...
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JP2004324352 |
To provide a weight for a rapid load test of a pile having excellent safety and repeatability with no waste in drop height in spite of weight structure divided in a plurality of parts.This weight 1 dropped onto a pile head to carry out t...
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JP3613591 |
To easily and quickly measure the adhesive force of a soil layer and an inner friction angle by directly performing a shear test in the soil layer for a number of portions in a field such as a mountain slope. In a shear strength-measurin...
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JP2004316269 |
To provide an earth pressure gauge installation method excellent in workability and obtaining highly reliable measuring figures.The present method is an installation method for an earth pressure measurer in a banking structure. The embed...
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JP2004316262 |
To provide an automatic penetration testing machine capable of automatically carrying out hammering work of a penetration rod.The penetration testing machine is provided with an extension base 3 movable along a support 2, a rotatable chu...
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JP2004317364 |
To attain about 0.05-0.2 sec of target loading time for a quick loading test to enhance testing precision.In this device 1 for a quick loading test of a pile 50, a weight 5 is dropped onto an inertia mass 4, and a drop impact load is mad...
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JP2004316353 |
To provide a core sampling technique capable of shortening the time required for sampling a geological core and capable of surely sampling the core under an accurate state.A core sampler 1 has a cylindrical casing 2 having an excavating ...
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JP2004301745 |
To provide a method of magnetic prospecting that can exactly detect the length of a pile, even when a pile with a small quantity of reinforcing steel such as a cast-in-place pile is used or a prospecting hole must be arranged, at a place...
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JP2004301735 |
To provide a penetration implement and method used for magnetic prospecting which can perform the magnetic prospecting and improve working efficiency, without digging up probing holes.Penetration tip rod 1 and splice rod 3 are pressed pe...
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JP2004294235 |
To provide a loading test method excellent in the rapidity or economical efficiency of a test and capable of easily grasping the capacity of a ground anchor by employing a fast loading test method as a loading test for the ground anchor,...
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JP2004293154 |
To provide a soil sampler capable of accurately taking soil sample in an arbitrary depth without mixture of soil in other strata.When a sleeve pipe is pulled about a sampling part 1 provided on the bottom end of an operation shaft 4 and ...
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JP2004293277 |
To provide a detecting system for bedrock-fracture processing, by which it is possible to appropriately forecast dangerous places of bedrock collapse.In a bedrock to be detected, at least 4 bore holes 4a-4d are provided near each other, ...
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JP2004286572 |
To provide a non-destructive method and a system for surveying geological conditions, which can solve various drawbacks caused by employing an inner container, without spoiling benefits of known technologies.In the method, a pressure bul...
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JP2004278114 |
To provide an automatic penetration testing machine capable of efficiently and accurately controlling the rotation of a penetration rod.The automatic penetration testing machine compares a signal corresponding to a rotary load in rotary ...
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JP2004278147 |
To provide a sampling method and device of soil capable of accurately examining soil by securely preventing falling of soil.By driving a long sampling member 16 with a substantially U-shaped cross section and an enclosing member 18 enclo...
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JP2004278247 |
To provide a groundwater sample fixed-quantity sampler capable of sampling a fixed quantity of groundwater from a well for sampling a groundwater sample and the equal quantities of the quantity of water springing in the well and the quan...
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JP2004278304 |
To provide firstly a method for estimating consolidation yield strength using sounding test results instead of conducting a consolidation test where a consolidation deformation amount is determined with an existing calculation formula wh...
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JP2004279148 |
To provide a structure external force detector with a facilitated execution method for detecting a damaged position, etc. of a structure, and also to provide a structure external force detecting method.This detector is equipped with: an ...
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