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Patent Searching and Data


Matches 551 - 600 out of 3,398

Document Document Title
JP2021148757A
To provide groundwater level observation equipment observing distribution and water level fluctuation of groundwater by a siphon principle using neither motive power nor a power source, installation method for the groundwater level obser...  
JP6936751B2
To provide an acquisition technology of ground information by oscillatory wave with a wide range of investigation in a horizontal direction.Receiver arrays 44R1 to R6 in which a plurality of receivers 32R, 32R, 32R, 32R, 32R, 32R, 32R, 3...  
JP6936451B2
To provide a scanning method of ground samples, a method of producing test samples of ground samples, a soil test method of ground samples and a scanning apparatus of ground samples, capable of preventing inadvertent disturbance and the ...  
JP2021130923A
To stably collect core regardless a nature of a ground.A cylindrical tool main body 2 extending along a tool axis C1, a cylindrical head blade body 3 extending along a head axis C2 parallel to the tool axis C1 and rotatable around the he...  
JP6932614B2
To detect cracks promptly with a constant degree of precision.A crack detector 100 includes: a sine waveform extraction part 22 which analyzes a development image that is created by photographing an inner wall of a bore hole 2 formed in ...  
JP6928925B2
To provide an unsolidified specimen sampling device which can easily sample fluidity unsolidified deposits falling from an unmanned aircraft or a small-sized boat, and an unsolidified specimen sampling method.An unsolidified specimen sam...  
JP6927622B1
[Task] Percussion type boring machines and rotary type boring machines are used in the usual geological surveys, but boring machines are used to ensure the verticality of the drilling holes, which is a problem when excavating with these ...  
JP2021123959A
To provide an adhesion strength evaluation method of fluidized soil capable of evaluating whether or not a desired adhesion force is exhibited to a place including an underground outer wall, to which a lateral pressure is added, by measu...  
JP2021123898A
To remove the restriction on the length of a rod pushed into the seafloor and prevent the rod from buckling in a seafloor ground survey by CPT.A seafloor ground survey device surveys the seafloor ground by penetrating a cone probe 110 at...  
JP2021123888A
To provide a verification method and a verification device for elastic wave propagation characteristics that can easily and repeatedly verify the relationship between the polarity reversal of reflected waves and rock properties with high...  
JP6926441B2
To provide a control method of a ground boring drill capable of surely detecting that the ground boring drill has come into contact with foreign objects while boring a hole in a ground without being limited to soil properties of a ground...  
JP6921701B2
To provide a ground investigation method capable of determining the necessity of vibration reduction measures of an earthquake by the minimum required ground investigation.A ground investigation method of investigating the state of a gro...  
JP6920690B2
To enable smooth separation of a bit from a boring rod.A bit attaching/detaching device comprises a latch case 4 having a bit 3 attached to its end and provided with a rotatable latch pawl 8, a packer tube 20 including a packer 22 and in...  
JP6919862B2
To provide a penetrating type ground characteristic measurement device allowing accurate measurement of ground characteristics.A penetrating type ground characteristic measurement device 10 comprises: a bogie 12 equipped with a radiation...  
JP2021116636A
To provide a device and a method for measuring a compaction degree of an earth structure capable of measuring the compaction degree of the earth structure even in a sloped face or a narrow place.A device for measuring a compaction degree...  
JP2021117192A
To provide an underwater ground pull-up test device and underwater ground pull-up test method capable of accurately performing a pull-up test for an underwater ground of a wide range from a soft ground to a hard ground.An underwater grou...  
JP6909025B2
To make reliability of measurement data and efficiency of testing work compatible.A measurement device A, which at least has a main body part 10 that can enter a long hole of a ground improvement body and testing means 20 that can perfor...  
JP6911356B2
To provide a support layer arrival determination method and a determination assist system capable of determining reaching of drilling to support layer.A drilling management system 20 has a control unit 31 that controls a display unit 26 ...  
JP6906776B2
To provide an implantation machine capable of penetrating a single pipe for efficiently and safely collecting a surface layer soil into the ground and capable of reducing a burden of the worker.An implantation machine 1 is capable of pen...  
JP6905874B2
To make it possible, in performing an evaluation test on an improvement effect on natural ground by injection material, to appropriately evaluate the improvement effect by making the injection material be sufficiently diffused into inter...  
JP6894244B2
To provide a method for stably estimating the strength of a foot protection part regardless of the amount of ground material.A method for estimating the strength of a foot protection part comprises a first step of collecting constituents...  
JP6891062B2
To provide a strength prospect method for a foundation part which does not require creation of a concordance table between establishment fields.The method comprises: a step of obtaining a first correlation between a mass ratio of cement ...  
JP6884341B2
To provide a soil determination method that can improve the accuracy of soil determination based on friction sounds.A soil determination method that includes (1) to (4) steps below is provided. (1) A step to insert a device with a microp...  
JP2021085199A
To provide a ground strength estimation method capable of estimating reliability in a probability theory even when loading which reaches the ultimate bearing capacity cannot be carried out.A ground strength estimation method comprises: a...  
JP2021085204A
To provide a ground sample sampling method and a ground sample sampling device capable of preventing flotation of a piston due to dynamic water pressure and capable of easily sampling a ground sample.A ground sample sampling method compr...  
JP2021080801A
To provide a ground information acquisition method and a construction road planning method which acquire information with high accuracy as ground information when a construction plan in the case where a land development construction is p...  
JP6876296B2
To provide a method for measuring depth of a bearing ground capable of measuring depth of a bearing ground simply and in a short time in a ground improvement work.A method for measuring depth of a bearing ground 1 comprises: carrying out...  
JP2021076493A
To provide a measurement system allowing a length of a communication cable connecting a measuring instrument and an amplifier to be reduced.A quick loading test system 1 measures a state when a pile P to be driven into the ground is impa...  
JP2021075887A
To provide a ground specimen sampling method and a sampling device which can prevent collected ground specimens from being disturbed even if the sampler head moves upward due to reaction force.It is characterized by being composed of a p...  
JP6874378B2
To provide a support layer arrival determination method and a determination assist system capable of determining reaching of drilling to support layer.A drilling management system 20 has a control unit 31 that controls a display unit 26 ...  
JP6873823B2
To provide an effect confirmation method of a foundation structure for countermeasure against an expansive ground for realizing a countermeasure with high reliability, which can experimentally confirm an effect of a foundation structure ...  
JP6871502B2
To provide a pile foundation design system, design method, and design program, allowing for design of a pile foundation on the basis of more accurate ground information.The pile foundation design system comprises: a unit for preparing gr...  
JP6868385B2
To provide a ground diagnostic method for an underground structure capable of objectively evaluating the state of the ground around an underground structure.The present invention is a ground diagnostic method for diagnosing the propertie...  
JP6869538B2
To solve the problem in which: in a structure in which a collection port is opened and closed by a hydraulic cylinder, it is necessary to feed a hydraulic hose or the like at the same time as lowering a collector to a target depth positi...  
JP6868263B2
To provide a sampling method capable of performing sampling with respect to soil property in a wide range from soft soil property to hard soil property with little disturbance in soil property, which can be applied even to a large depth ...  
JP2021068540A
To provide a structure capable of measuring ground resistance regardless of a ground environment.A buried structure with an electrode for measuring ground resistance at least a part of which is buried in the ground includes a wall 21 tha...  
JP6867251B2
To provide a soil sampling device and a soil sampling method that can collect a soil sample with less disturbance by, for example, utilizing a Swedish weight sounding test device.The soil sampling device includes an outer tube 1, an inne...  
JP2021060404A
To provide a sample collecting device that can surely collect a desired amount of sample in a desired position under the ground.The present invention relates to a sample collecting device 1 for collecting a sample from an excavation hole...  
JP6858414B2
To provide a joint member as an auxiliary tool for filling water into the entire inside of a borehole including the inside of a transparent pipe, in a geological survey performed by inserting the transparent pipe into the borehole.A join...  
JP6857167B2
To provide a stratigraphic determination device that improves the accuracy of a stratigraphic determination result.A stratigraphy determination device 2 comprises a control unit 23 having a first determination unit that determines the st...  
JP2021055510A
To provide an automatic hole expansion device for soil sampling.An automatic hole expansion device for soil sampling includes a base 10 and a body 60. The body is rotatably provided on a top face of the base, a first storage space 47 is ...  
JP6854011B2
To provide a foundation physical property estimation system which can practically accurately estimate foundation physical properties, even when existing data such as boring data is restricted in the periphery of an estimation point and i...  
JP2021050517A
To provide a simple determination method of ground types easily determining ground types by detecting and analyzing, using a sensor, ground propagation sound generated upon excavation of or insertion to the ground with a tip of an excava...  
JP6842006B1
To disclose a sampling device for a soil excavation machine. A sampling box 20 is included, a ring-shaped sampling space 21 is provided in the sampling box, a storage groove 23 communicating with the outside is formed on the upper side o...  
JP6843427B2
To realize simplification of the operation for the ground survey by automatization of the extraction of the inflection point in the D-Vrb curve.The surface wave survey analyzer for the ground survey system to exerts the ground survey by ...  
JP6841704B2
To provide a method for improving ground which can continuously perform improvement of a necessary portion based on results of liquefaction determination by subsurface exploration.Provided is a method for improving ground for improving g...  
JP2021031863A
To provide a ground surveying method capable of efficiently determining in terms of safety whether or not the ground is harmful for a building with a specific structure.A ground surveying method of the present invention is a method to su...  
JP6832497B2
To provide an estimation method of strength characteristics of soil cement capable of estimating strength characteristics from particle size of the soil, and an estimation device, a quality management method of a foot protection part whe...  
JP6832211B2
To provide a ground investigation device capable of largely reducing manhours and cost required for a ground investigation, by continuously executing a liquefaction determination and an evaluation of support performance of the ground by ...  
JP6824503B2
To provide a sediment sampling device capable of easily transporting and sampling columnar deposit of sand gravel on a lake bottom and a sea bottom.A sediment sampling device (10) comprises: a cylindrical penetration portion (12) receivi...  

Matches 551 - 600 out of 3,398