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Patent Searching and Data


Matches 151 - 200 out of 2,127

Document Document Title
JP2014047484A
To provide a ground liquefaction determination method and a ground liquefaction determination device capable of simply making a reliable liquefaction determination in a short time by faithfully reproducing a behavior of soil particles du...  
JP2014047531A
To provide a sampling device for a filler sample in a bored hole that has a simple structure, is easily mounted on an excavation head for pile insertion hole formation, and does not increase in excavation resistance.A sampling device for...  
JP2014047532A
To provide a sampling device for a filler sample in a bored hole that has a simple structure, is easily mounted on an excavation head for pile insertion hole formation, and does not increase in excavation resistance.A sampling device for...  
JP2014047549A
To improve working efficiency of all the operations and to speed up decision making.A boring columnar diagram creation support application 5 is installed in a portable terminal 10 possessed by a user. The boring columnar diagram creation...  
JP2014043684A
To provide a soil sampler of which a shape is simple, in which soil can be sampled easily and occurrence of failure is reduced, and which is easy to maintain.A cross section of a main body member 21 of a soil sampler 20 is formed approxi...  
JP2014043717A
To provide a double tube type geo-material sampling device in a soft ground, which is capable of sampling the soft ground to a depth of several meters while preventing collapse of a porous wall and without requiring a special motive forc...  
JP2014040743A
To provide an estimation method for ground density based upon not an RI cone penetration test in which it is difficult to handle equipment, but a cone penetration test excluding sampling for measuring ground density, a management method ...  
JP2014037745A
To provide a soil foundation specification determination method, a soil foundation specification determination system and a soil foundation specification determination program in which originally unnecessary soil improvement construction...  
JP2014029297A
To provide a ground saturation degree measuring method in which a saturation degree can be measured easily, quickly and reliably with high accuracy while keeping a water retention state, in which a saturation degree at an original positi...  
JP2014029299A
To provide a holder for an underground water level gauge capable of accurately measuring a ground water level with few errors of recognition and measurement of the ground water level by a water level gauge which is held inside and easily...  
JP2014015788A
To provide a soil determination method that eliminates variations in soil determination of a Swedish sounding test (SWS test).A hole drilled in a SWS test is utilized. A change in water level is measured by detecting a change in electric...  
JP2014012983A
To provide a rod pull-out device capable of easily holding and removing a rod.A rod pull-out device 1 comprises: a pair of links 7, 8; a swing rod for raising and lowering the links 7, 8; and multiple holding plates 9 which are rotatably...  
JP2014010062A
To provide the contamination investigation method of a special stratum unit in an artificial stratum.In the case of accurately grasping a solid contaminated section such as harmful heavy metal in an artificial stratum such as a developed...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
JP2013129960A
To provide a device for automatically drawing out a ground investigation rod from the ground, which can be made compact and simplified.A device 10 for automatically drawing out a ground investigation rod from the ground includes a base 1...  
JP2013124443A
To provide a quality evaluation method for grasping whether or not uniaxial compressive strength of design conditions is satisfied, and for confirming whether or not the strength is larger than a success determination value.A core is col...  
JP2013104194A
To provide an original position testing method for controlling the influence of a change in geological environment such as the state of peripheral rock or groundwater.The original position testing method for evaluating the chemical influ...  
JP2013088116A
To facilitate the delivery, storage, re-utilization and the like of a number of boring cores obtained by a boring survey (geological survey).A boring core that is a geological sample obtained by a boring survey is made into electronic da...  
JP2013087607A
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 scattere...  
JP2013087570A
To provide an investigation method for secular deterioration of chemicals injected ground that can model eluviation of liquid chemicals by ground water, and perform investigation on secular deterioration of the ground by reflecting the m...  
JP2013087572A
To provide an effect confirmation method for chemical injected ground that can precisely confirm the situation of the whole chemicals injected ground.An oscillation hole 3a and a reception hole 3b are formed in the ground 1 into which li...  
JP2013088277A
To provide a soil hardness measuring instrument which has a simple structure, a reduction in cost and the improvement of operability and can easily perform inspection in a vertical direction and a horizontal direction.A soil hardness mea...  
JP2013083150A
To provide a penetration rod for use in a penetration test for determining soil properties on the basis of rotational load torque acting on a screw point, which can detect the rotational load torque acting on the screw point alone, by el...  
JP2013076590A
To decrease the wiring of an electric logging penetration rod, and to improve detection accuracy.An electric logging penetration rod 1 is equipped with a rod body 10 provided with a plurality of electrodes 11, 12, 13, and 14 on an outer ...  
JP2013076220A
To provide a soil testing device and a soil testing method capable of easily performing loading face treatment and load testing, and a compaction density management method enabling compaction density management to be performed by using a...  
JP2013072271A
To accurately determine arrival at a support layer by collating data of N values obtained in a standard penetration test and measurement data of a workload of a hydraulically driven auger.Before excavating soil by an auger device, the st...  
JP2013072705A
To provide a method for efficiently and safely detecting a discontinuity surface of a rock bed slope such as a steep precipice, and its device.Three-dimensional coordinate data of the rock bed slope is collected using a three-dimensional...  
JP2013060731A
To provide a survey instrument for measuring pore water pressure, which prevents sediment intrusion and allows for easy measurement of pore water pressure.A survey instrument 10 for measuring pore water pressure comprises a main body pip...  
JP2013057614A
To provide an effective and adequate stratified ground displacement meter which can measure displacement of each ground layer with high accuracy and can easily be installed at a low cost.A series of rod connection bodies 5 obtained by co...  

Matches 151 - 200 out of 2,127