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Patent Searching and Data


Matches 701 - 750 out of 2,089

Document Document Title
JP2005023560
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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,...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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,...  
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 ...  
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, ...  
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...  
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 ...  
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...  
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...  
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...  

Matches 701 - 750 out of 2,089