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Patent Searching and Data


Matches 251 - 300 out of 2,109

Document Document Title
JP2011226186
To provide a protection cap which can protect a drilled section necessary for ground improvement or soil investigation on a runway and the like, maintain the function of the runway and the like, and prevent human errors such as omitting ...  
JP2011220003
To provide a quality control method for pile enabling simplified assessment on the soundness of a pile and having high reliability on its assessment.The soundness of a pile is assessed based on the natural frequency calculated by vibrati...  
JP2011219969
To allow a sampling port to be opened and closed even when the sample to be sampled is soft, to make sampling from a sampling port smooth irrespective of the hardness of the hole bottom of a drilling hole or the circumference ground, and...  
JP2011190657
To improve a core sampling state by applying a driving force to a core tube from its axial direction as much as possible.A boring method for sampling a core for a geological survey in a core tube 2 by transmitting a rotational force and ...  
JP2011179284
To provide a soil sampling device by which a cubic capacity of a sampling space for housing a soil sample is sufficiently secured, the collected soil sample is taken out from the sampling space easily, and the soil at a non-target underg...  
JP2011174767
To provide a method for measuring a moisture content in the depth direction of a ground which enables measurement of the distribution of the moisture content (saturation rate) in the depth direction of the ground and enables grasp of a s...  
JP2011174768
To derive the distribution of a moisture content (saturation rate) in the depth direction of a ground.Heat is given to the ground 1 by a heating wire 4 and the amount of temperature rise corresponding to the depth is measured by an optic...  
JP2011174313
To provide a bearing capacity measuring device of a hydraulic press-in machine capable of measuring a bearing capacity of the ground while pressingly placing a pile like a steel pipe sheet pile, and recording and controlling the bearing ...  
JP2011174342
To provide an automatic penetration test machine excellent in safety for preventing the fall of an elevating base.The automatic penetration test machine 1 includes: the elevating base 3 capable of ascending and descending along a support...  
JP2011174341
To provide an automatic penetration testing machine capable of precisely detecting a load which is actually applied on a penetration rod.An automatic penetration testing machine 1 comprises a lifting stage 3 capable of rising and falling...  
JP2011174340
To provide an automatic penetration test machine which measures a load actually applied on a penetration rod, and performs correction for the application of a desired load by feeding back the measured load.The automatic penetration test ...  
JP2011169022
To provide a soil sampling pipe device capable of maintaining watertight performance of the inside and outside of an inner pipe in the closed state of a soil capture hole.This soil sampling pipe device 1 includes: the outer pipe 11 which...  
JP2011169021
To provide a soil sampling pipe device which can increase soil capture efficiency, and which enables soil sampling in a plurality of locations on the periphery of an outer pipe.This soil sampling pipe device includes: the outer pipe 11 w...  
JP2011163001
To provide a soil sampling device which enables a sampling pipe to be easily jacked into the ground and which enables soil sampling work to be surely performed with ease.This soil sampling device 1 includes a drilling bit portion 3 capab...  
JP2011163010
To provide an air cylinder type foundation strength investigation machine which can investigate accurate foundation strength by inhibiting a penetration body from rapidly self-settling into a soft layer of ground.This swedish-weight-soun...  
JP2011127370
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...  
JP2011128320
To provide a compact and portable liquefaction experimental device which enables a learner to reliably and qualitatively experience a liquefaction phenomenon and have right images before and after the liquefaction phenomenon.The liquefac...  
JP2011127284
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...  
JP2011117172
To provide a method for checking an end bearing capacity of a cast-in-place pile, which enables a loading reaction force to be obtained by dispensing with a reaction pile and a reaction girder, which enables the acquisition of informatio...  
JP2011112641
To provide a penetration rod for determining the quality of soil by measuring the true specific resistance of a foundation at each level of depth in the ground and evaluating the property of the foundation on the basis of the value thus ...  
JP2011112506
To provide a penetration rod capable of determining an accurate soil property by measuring the true resistivity of the ground at each underground depth, and by evaluating soil quality based on each measured value.The penetration rod 1 ha...  
JP2011106843
To infer the strength of improved ground which is an object improved by chemical injection using an active-silica-based chemical, from its early age after the improvement, with accuracy.A vibrator sensor capable of generating and receivi...  
JP2011080905
To provide a response analysis method of a building on earthquake capable of efficiently and accurately analyzing response on earthquake, using a simple method.The response analysis method of the building on earthquake includes a process...  
JP2011064007
To provide a penetration rod for measuring underground water content as well as penetration resistance in a penetration test.The penetration rod for measuring underground water content includes a rod 3 penetrating underground and having,...  
JP2011059026
To provide a loading apparatus causing an external force to act, the external force being not less than gravitational force acting on a weight, by utilizing at least either attractive force of a magnet or sticking force.This loading appa...  
JP2011058357
To obtain a method for searching the ground in an original position which can speedily and lightly perform the ground search and can be applied to various grounds so as to obtain the main information of a ground search such as CE.When a ...  
JP2011052399
To extract a location causing ground subsidence which is not accompanied by the deformation of an underground structure, in the upper ground of the underground structure.An extraction section 15a performs first determination processing o...  
JP2011052466
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 predet...  
JP2011047749
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; a...  
JP2011047142
To provide a ground investigation method which performs correct evaluation of the soil quality in ground or a slope.A load set by assuming a clay layer existing in ground and a load set by assuming a sand layer and lighter than the forme...  
JP2011043046
To provide an investigation method for obtaining ground information capable of carrying out speedily original position ground investigation as to CE or the like of main information obtained in the ground investigation by one kind of a de...  
JP2011043465
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 su...  
JP2011038783
To equalize the settling quantity of a loading plate even when the rigidity of the loading plate is low.In this load testing equipment 10, foundation concrete 14 is allowed to subside while the ground 12 is compressed and deformed by all...  
JP2011038257
To provide a soil evaluation device and a soil evaluation method capable of determining whether an excavator reaches a predetermined soil or not.This soil evaluation device 1 includes an acoustic receiver 2 and a triaxial accelerometer 3...  
JP2011038338
To rationally and consistently evaluate ground deformation associated with fluctuation of the underground water level.This ground deformation analysis device includes a means for classifying the ground of predetermined depth to be analyz...  
JP2011038782
To equalize settlement of a loading plate even when rigidity of the loading plate is low.In the load test device 10, a base concrete 14 is settled along with two or more low pedestals 18 while compressively deforming foundation 12 by way...  
JP2011026824
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 w...  
JP2011021415
To efficiently perform a plate load test of ground in a hole bottom of a borehole with high accuracy by use of the borehole.This borehole bottom ground plate load test device pressing the borehole bottom by a loading plate 11 and perform...  
JP2011017233
To enhance measurement accuracy in a load test of building foundation.A load testing method for a building foundation includes: a first step for providing a foundation concrete slab 26 so as to abut on a pile 22 constructed in the ground...  
JP2011017234
To provide a loading test method for a building foundation having a pile, a ground improving body and a spread foundation.This loading test method for the building foundation includes: a first step of providing a foundation concrete slab...  
JP2011017218
To recover an earth pressure gauge, which is installed below a loading slab, without damaging the earth pressure gauge, after a loading test.Silica sand 20 is leveled off in a hole section 18 which is formed by digging down the ground 30...  
JP2011017227
To provide a loading test apparatus capable of grasping an attitude of a reaction girder, and a loading test method.A test pile 12 is buried in ground 20; and a jack 16 for adding a vertical load is provided on the top surface 12U of the...  
JP2011012501
To provide a soil property determination method capable of determining a type of a soil property by the use of a simple device which measures specific resistance.The soil property determination method for determining the type of the prop...  
JP2011012534
To provide a collecting device for a sample in a soil, which collects the sample in the soil at pin point in an original position inside a ground, and also collects the sample in the soil in the vicinity of a side wall and in the lateral...  
JP2010261175
To provide a structurally-simple sampling device capable of surely sampling a filler at a predetermined depth.This sampling device for collecting a sample of soil cement from the ground includes a bottomed tubular body 10 and a working s...  
JP2010255318
To easily and accurately estimate the strength of a soil improving body formed by a high-pressure jet mixing method, within a short period of time after construction.An injection rod 1 including a camera 18 capable of photographing the i...  
JP2010256191
To solve the problem wherein the strength of a ground-improving body formed by a high-pressure jet mixing method could not be estimated easily and precisely conventionally during a short period after the execution.Before a hardener solut...  
JP2010248698
To prevent liquefaction by decreasing the degree of saturation of ground and maintaining the decreased state of the degree of saturation of the ground; and to decrease the degree of saturation of the ground in a short period of time.In t...  
JP2010242344
To provide a core sampling device which prevents a core tube from being dragged and rotated, even when an outer tube is rotated, and which enables a core to be collected without being disturbed, without reference to soft or hard ground.T...  
JP2010242343
To provide a ground investigation apparatus which can measure a feeding force, striking force and rotation torque, applied to a rod driven by a rotary percussion drill.This soil investigation apparatus includes: a hydraulic sensor which ...  

Matches 251 - 300 out of 2,109