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Patent Searching and Data


Matches 401 - 450 out of 4,262

Document Document Title
JP2014006206A
To evaluate an active fault by evaluating an age of a stratum even in an area to be evaluated where tephra is not distributed with high reliability.It is determined whether or not a stratum to be evaluated is a stratum formed of yellow s...  
JP2014005612A
To appropriately and surely confirm the quality of the improved ground without using any device of a complicated structure.A quality confirmation device includes: a penetration test device 10; and liquefaction strength estimation means 2...  
JP5390206B2  
JP5380626B1
[Subject] Let it be a subject to use an open type final disposal site site at an early stage as circumference farmland and farmland of same soil texture. [Means for Solution] When a linear wall type final disposal site site from which a ...  
JP5383358B2  
JP5385771B2  
JP2013256847A
To efficiently and simply acquire a core with good economical efficiency.A core generating device 100 includes a mixing device 40 for mixing water 4 with excavated soil 3 occurring with progress of boring, a separation device 60 for redu...  
JP2013257196A
To provide a position detection method for underground buried structure that can decrease the number of times of boring.A distance L from a point 30 on the ground whose coordinates (x1, y1) are already known to a reach point 34 is found ...  
JP2013256839A
To provide a filler sampling device in an excavation hole, capable of sampling a filler only in a planned sampling position, eliminating a possibility of a sample to be mixed with the other sediment or the like when extracting the sample...  
JP2013249627A
To provide a soil sampling device which is capable of simplifying a shape of a sampler and easily sampling soil, does not fail so much, and is easy to maintain.In the soil sampling device with a sampler 20 for sampling soil provided on a...  
JP2013250212A
To provide a screw point with which the same result as a conventional Sweden type sounding test can be obtained even by a novel testing method in which a load is reduced to 1/2 without generating variance in measured value.A screw point ...  
JP2013242265A
To enable compactness and lightness in weight as a whole so as to achieve excellent portability, to surely penetrate down to required depth in a vertical direction even though stones or the like are accumulated at a water bottom, and to ...  
JP2013238021A
To provide a geology/stratum change detection device and detection method for improving incompatibility between data of excavation sound acquired for detection at an excavation work site and reference data to be compared, and reducing bu...  
JP2013237994A
To provide a sample soil collector capable of efficiently taking sample soil in a storage container within a columnar improvement body in an unsolidified state with the small number of revolutions at a predetermined depth.A sample soil c...  
JP5350136B2
To minimally reduce an airspace around a testing apparatus in a test section in a boring hole. The device includes: a packer core metal 2 as a columnar packer core member; and a cylindrical packer rubber 4 covering the outer peripheral s...  
JP2013234426A
To provide a portable cone penetration test method in consideration of peripheral surface frictions of a rod.In the portable cone penetration test method for penetrating a penetration rod 4 formed having a cone 4b at a distal end of a ro...  
JP2013227724A
To provide a strength management method for a cement-based improvement body, capable of predicting the strength of the cement-based improvement body with high accuracy.A strength management method for a soil cement column 1 formed in a g...  
JP2013227748A
To provide a construction management method for the degree of remaining saturation of a foundation that can easily and precisely form a sandy foundation having the target degree of remaining saturation when carrying out construction for ...  
JP5334614B2
To provide a soil sampling method capable of reliably sampling contaminated soil even in the case that hot points of relatively small areas are dispersed. A highly flexible hollow rod having a relatively small diameter is used to excavat...  
JP5337004B2
To apply a tensile load which is straight in a radial direction and free of disturbances such as vibration and deviation so as to create an ideal destruction state to a test body and pulling the test body straight in the radial direction...  
JP2013224516A
To provide a subsoil exploration apparatus having a simple configuration and enabling both subsoil boring for sampling of the subsoil and standard penetration test for measurement of an N value to be performed by one subsoil exploration ...  
JP5326177B2
To provide a portable corn penetration testing device which is capable of executing a portable corn penetration testing without requiring manual assistance and advantageous in eliminating variations in measurements. A portable corn penet...  
JP5328632B2
To provide a sampling method by which soil can be sampled even in a curve excavation pathway by a free-curve excavator, investigation of the ingredients of the soil can be accurately conducted, and the sampled soil can be taken out easil...  
JP2013217088A
To provide a core sampling device capable of improving working efficiency while suppressing a cost and improving the quality of a sampled core.A core sampling device has a nearly annular core lifter 12 internally fitted in a core lifter ...  
JP5320081B2
To provide a penetration test method for detecting a load applied to a screw point and a rotational load torque during a rotation by considering a circumferential friction of a rod. A plurality of the loads are applied to the penetration...  
JP5318183B2
To provide an earthquake response analysis device, an earthquake response analysis method, and an earthquake response analysis program that perform earthquake response analysis of high accuracy. An arithmetic part 16 when performing the ...  
JP2013209843A
To provide a slope compaction device capable of: evaluating a compaction degree of a slope on the basis of a value according to an increase in hardness of the slope through blows of a vibration plate; uniformly compacting an entire regio...  
JP5308968B2
To provide a sampling device extracting a sample in a short time at a low cost. A sample collecting cylinder 3 is provided with an opening 5, and flap type sample scraping projections 9 opened/closed on the upper side are fitted at prede...  
JP2013204292A
To easily install a filler detection sensor for grasping a filling situation when filling a naturally generated underground cavity of which the inner volume or shape cannot be grasped, with a filler such as mortar.On a filler injection c...  
JP5303767B2
To provide a sampling device for a soil improvement body, which enables sampling with continuity along the vertical axial direction of the columnar soil improvement body. A plurality of sampling ports 5 are provided in an axially scatter...  
JP5305522B2
To provide a coring technique capable of preventing a core from coming off even in a super weak nature of soil containing much moisture, and capable of supporting sufficiently and recovering surely the core. This coring device is formed ...  
JP5302726B2
To estimate the solidification strength of a pile hole in an extremely short time by measuring the specific gravity of a filler in the pile hole. The specific gravity of an unsolidified state from a sample with specified cement milk inje...  
JP2013194362A
To provide a ground improvement method for liquefaction countermeasures that can suitably and securely improve liquefaction strength at a low cost.A ground improvement method includes the steps of: inserting an air injection pipe 21 into...  
JP5300926B2
An excitation device for downhole seismic testing, includes an excitation hammer, a holding arm connected at one end thereof to the excitation hammer to allow the excitation hammer to rotate about the other end thereof, a support post ha...  
JP5300659B2
To provide a device and method for collecting soil samples for sampling foot protection improved soil (unconsolidated soil). The sampling device 2 of soil samples includes: a cylinder case 5, namely a vessel for collecting soil samples; ...  
JP5291329B2
To provide a penetration testing method which can discriminate diluvial, alluvial, and humus soil deposit from each other. The penetration testing method is carried out by applying a load W to a penetration rod 4 obtained by attaching a ...  
JP5289243B2  
JP2013174096A
To provide a loading test device for accurately measuring both a peripheral surface frictional resistance and an end resistance while reducing a labor of installation or demolition.The loading test device includes: a test pile 10 divided...  
JP5281427B2
To solve such a problem that, while larger depth constructions are promoted in recent years, an external pressure in water and soil increases as depth becomes larger, an inner side of a diaphragm in a conventional oscillator of a sound w...  
JP5270650B2  
JP5269406B2
To provide a probe for measuring an underground thermal conductivity capable of improving work efficiency in measurement of the underground thermal conductivity, and preventing damage of both a hole bored in the ground G to be measured a...  
JP5256366B1
[Subject] A pollution examination method of a special stratum unit in an artificial stratum is provided. [Means for Solution] In grasping correctly solid contamination parts, such as a harmful heavy metal in artificial stratums, such as ...  
JP5257989B2  
JP2013147882A
To provide a calibration method and a device which enable a high-precision measurement to be achieved in measuring saturation of the ground on the basis of specific resistance of sand ground with air injected thereinto.A calibration meth...  
JP5253198B2  
JP5249874B2  
JP2013144921A
To simply estimate shear strength parameters (an internal frictional angle and cohesion) of ground or a slope in a present location.A rod is rotated at a low speed from the ground while radial expansion pressure acts on the outer periphe...  
JP5244555B2  
JP2013142244A
To provide a device for sampling an underground specimen, which is provided at an expansion head with a diameter-enlargement blade, capable of sampling an uncured underground specimen immediately after filling of an enlarged base bulb wi...  
JP5239042B2  

Matches 401 - 450 out of 4,262