Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 2,109

Document Document Title
JP2013249627
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...  
JP2013250212
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 ...  
JP2013242265
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 ...  
JP2013238021
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...  
JP2013237994
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...  
JP2013234426
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...  
JP2013227724
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...  
JP2013227748
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 ...  
JP2013224516
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 ...  
JP2013217088
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 ...  
JP2013209843
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...  
JP2013204292
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...  
JP2013194362
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...  
JP2013174096
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...  
JP2013147882
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...  
JP2013144921
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...  
JP2013142244
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...  
JP2013129960
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...  
JP2013124443
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...  
JP2013104194
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...  
JP2013088116
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...  
JP2013087607
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...  
JP2013087570
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...  
JP2013087572
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...  
JP2013088277
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...  
JP2013083150
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...  
JP2013076590
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 ...  
JP2013076220
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...  
JP2013072271
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...  
JP2013072705
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...  
JP2013060731
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...  
JP2013057614
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...  
JP2013047655
To provide an original position testing method capable of controlling an influence of changes in geological environment such as peripheral base rock and groundwater.In an original position testing method for evaluating a chemical influen...  
JP2013040499
To provide a columnar ground improvement method capable of performing columnar ground improvement in consideration for the soil bearing capacity in a ground immediately below a foundation.When a mat foundation 1 is used in a foundation o...  
JP2013029013
To provide an automatic penetration testing machine capable of accurately applying a test load to a penetration rod.An inventive automatic penetration testing machine 1 includes: a lifting stage 3 capable of ascending and descending alon...  
JP2013023900
To provide a method and a device for measuring shear strength of a ground by which ground information serving as base data for slope collapse prediction and others at the time of heavy rain can be measured easily at many points even in a...  
JP2013019235
To provide a soil measuring method which enables soil properties to be accurately measured at each depth while preventing a rod from being affected by earth pressure.In measurement in which a Swedish sounding tester 1 penetrates into the...  
JP2013019121
To provide a soil property determination method capable of accurately determining a soil property for calculating a conversion N value by handling, as a group, data related to allowable bearing capacities obtained by a Swedish sounding t...  
JP2013015456
To provide a measuring method capable of measuring the water permeability of a low water-permeable material within a rational time range.A measuring method for a low water-permeable material consists of one or more main steps for measuri...  
JP2013014960
To solve the problems that in the process of sampling a high-quality sample from the soil and supplying it for a test, the quality decreases due to the friction between a sample storage pipe and the sample, and to prevent falling of the ...  
JP2013007725
To provide a ground infiltration test device capable of performing a test irrespective of size of infiltration capacity.A ground infiltration test device includes: waterworks 1; a flow channel 2 for supplying liquid which supplies water ...  
JP2012255305
To obtain a foundation load testing method with which workability is improved while ensuring the settlement of a test version.On a loading jack 20, a main girder 22 is installed via an upper pedestal 28. Both end portions 22A of the main...  
JP2012251302
To provide an automatic penetration test machine that is equipped with a cooling mechanism for a lifting/lowering motor.An automatic penetration test machine 1 is constructed so that a rotational motor 6 is driven in reverse at a high sp...  
JP2012251301
To provide an automatic penetration test machine that is equipped with a cooling mechanism for a lifting/lowering motor.An automatic penetration test machine 1 is constructed so that a lifting/lowering motor 8 is driven in reverse at a h...  
JP2012247408
To carry out a downward elastic wave test through an existing groundwater level observation hole, in an excitation apparatus for the downward elastic wave test which is provided in the foundation, improves efficiency, enables elastic wav...  
JP2012246644
To provide a method for grasping ground characteristics required for construction work and a seismic diagnosis of an existing structure.A method for grasping ground characteristics includes the following procedures: (a) three or more gro...  
JP2012237192
To reliably sample a pile hole infill at a desired depth while removing deposits from around a take-in port.In a sampling device 40, a tubular base 1 is partitioned into a sampling take-in chamber 11 and a sampling tank 12 with a separat...  
JP2012219487
To provide a novel settlement measuring apparatus for grasping the settlement of a foundation, in which construction is facilitated and further an expensive pressure sensor is not being buried uselessly but can be utilized over and over ...  
JP2012219533
To provide a test pile construction method capable of reliably providing a test pile with friction cutting.A test pile construction method constructs a test pile 1 which comprises: an outer pipe 10; an inner pipe 20 installed inside the ...  
JP2012200737
To provide a method for manufacturing a screw point, which enables efficient manufacture and attains reduction in cost.In a method for manufacturing a screw point 10 including a screw with four ridges having a shape similar to a twisted ...  

Matches 151 - 200 out of 2,109