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Patent Searching and Data


Matches 251 - 300 out of 2,089

Document Document Title
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 ...  
JP2010242369
To provide an easy-to-use ground investigation apparatus which enables the sampling of a core (soil sample) with no variation from soft ground to hard ground, in addition to the performance of a cone penetration test and drilling logging...  
JP2010243337
To provide a method for measuring a pore pressure of a multilayer aquifer, which simultaneously and accurately measures the pore pressure (pressure head) of each aquifer in the multilayer aquifer, by using one boring hole without disposi...  
JP2010229711
To provide a torque measuring apparatus for rapidly determining a critical hydraulic gradient, and a method for measuring the critical hydraulic gradient.The torque measuring apparatus 1 includes: a rotator 7 which has a screw-like membe...  
JP2010222937
To search a magnetic substance in a soft ground while driving a casing for burying a drain member.When a drain member 2 to the tip 2a of which an anchor member 3 is connected is buried in the soft ground, while the assembly 11 of a casin...  
JP2010222799
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 injec...  
JP2010223894
To provide a safe, light and compact high-speed load tester and an impact load tester, and to provide testing method thereof.The high-speed load tester 1 includes and includes a test pile 3 for receiving a load at a top; a plurality of r...  
JP2010216120
To provide a modeling method for infiltration of oil into an environmental ground which can easily and accurately modeling the infiltration of oil into the environmental ground while considering a variation in groundwater level.This meth...  
JP2010210559
To provide an automatic flat-plate load testing apparatus for flexibly controlling the load applied to a sinking test ground, reducing the workload of a testing person, and which is able to suppress errors, in a test result, due to the c...  
JP2010196306
To provide a method for evaluating stability of natural ground, which enables the stability of the natural ground during and after cutting or excavating construction to be evaluated with a high degree of accuracy.This method for evaluati...  
JP2010196352
To provide a method and a device for measuring a coefficient of earth pressure at rest of ground, which enable the coefficient of earth pressure at rest of the ground and vertical and horizontal stress as its basis to be accurately measu...  
JP2010189838
To provide a method for determining a ground condition that can scrupulously and accurately acquire the condition of the ground without disturbing a condition when collecting a sample obtained by boring.The method for determining the gro...  
JP2010189944
To provide a portable cone penetration test device usable as simply as a portable cone penetration test device on the ground and enabling easy ground investigation when investigating the sea bottom ground.The portable cone penetration te...  
JP2010182804
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...  
JP2010180581
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 excavate...  
JP2010180605
To obtain a device and a program for evaluation of a foundation ground condition, which can accurately evaluate a foundation ground condition at low cost before excavating work.Such an evaluation is made that the more an attenuation amou...  
JP2010174466
To reliably sample a deep specimen from a shallow specimen by efficiently and accurately sampling a consolidated core specimen, particularly an easy-to-flow unconsolidated core specimen from a predetermined depth without sampling only a ...  
JP2010168765
To provide a sampling device 100 which can take a sample of sediment from an undermost layer of a soil hole formed by a Swedish sounding test, and which enables a rod 302 to be pulled out even when it is not turned, by reducing friction ...  
JP2010133204
To simply evaluate the liquefaction strength and deformation of partially-improved ground.(i) Shear stress d generated in the ground before improvement during earthquakes is computed; (ii) a shear strain i of the ground before the improv...  
JP2010126942
To provide an observation well for environment monitoring smoothly performing excavating work by eliminating the recovery of a strainer pipe installed in the ground.This observation well includes the strainer pipe 1 installed downward of...  
JP2010121354
To provide a soil sampler surely collecting earth and sand and preventing the inclusion of soil of the other layer after the collection.The soil sampler 100 to be attached to a stirring blade 530 of a ground excavation device 500 include...  

Matches 251 - 300 out of 2,089