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Patent Searching and Data


Matches 501 - 550 out of 2,089

Document Document Title
JP3880327
To easily judge stability to the infiltration of seawater in an under ground structure such as a submarine tunnel where leak of water including seawater exists. Flow of leaking water and concentration of sodium ions are measured through ...  
JP3876318
To precisely and exactly express liquefaction of a ground, based on acquired information, and to allow easy measurement at a low cost. In this intrusion probe intruded into an underground to examine a liquefaction characteristic of the g...  
JP3876655
To provide a deformation predicting method for an excavated bottom part ground for easily and surely predicting deformation of the excavated bot tom part ground in every area or in every construction step with high precision. In this met...  
JP3877389
To provide an instrument and method for measuring surface hardness of soil by which the surface hardness of soil in a field can be measured quickly and easily for adjusting the hardness of the soil suitably to raise crops. The frame 1 of...  
JP2006300555
To provide a logging method and an apparatus having excellent resolution, capable of reliably measuring the types of constituent elements and their contained amounts over all the strata even if small amounts of elements and a large numbe...  
JP3875068
To provide a groundwater-sampling apparatus by which a sampling operation is performed easily, by which a groundwater can be sampled in a short time and whose reproducibility is enhanced. The groundwater-sampling apparatus is constituted...  
JP3871938
To provide a casing adaptable for a device for sampling underground water or a hydraulic test of a stratum, having an expansive and contractive function and capable of transmitting a turning force or a compressive force. A part of a pack...  
JP2006291571
To protect the wall of a hole by installing a casing at the same time as a sampler excavating operation is performed.A core tube 2 and a boring rod 4 are inserted into the casing 1, and the casing 1 and the boring rod 4 are integrally co...  
JP2006291572
To provide a method of predicting amounts of deformation of a ground and a structure which predicts the amount of deformation of the ground and the structure after liquefaction generated by an earthquake for the ground on which the struc...  
JP2006291556
To provide a saturation measurement method of an in situ ground which enables the saturation of the in situ ground to be measured with ease and great precision.A test hole 1 is provided which is directed from the ground surface 2 of the ...  
JP2006283426
To provide a soil sampling device for simply sampling only soil in a depth where the sampling is desired to be performed, and also for sampling by using a simple mechanism.A cylinder 3 for sampling, which is externally mounted on a rod 2...  
JP2006283346
To provide a method of estimating the hydraulic geological structure of the ground around a reservoir at a markedly lower cost than a conventional one.The method includes steps of (a) measuring the water levels of a plurality of spring w...  
JP3866367
To automatically and sanitarily form base rock test face by automatically striking the base rock test face with rock bits to form a rough cut face, and automatically polishing the rough cut face with a polishing wheel to form a finished ...  
JP3862023
To provide an apparatus for measuring the shearing strength of a surface layer of 5 mm or smaller from the surface of viscous ground, and to provide its measuring method. The surface layer shearing strength measuring apparatus 1 is const...  
JP3862595
To provide a method for manufacturing water permeable anisotropy of the ground capable of easily obtaining coefficient of permeability in the horizontal direction of the ground and coefficient of permeability in the vertical direction at...  
JP3861149
To provide a modelling testing device capable of performing an infiltration flow test of stratum deformation considering existence of ground water and deformed model stratum in situ or in either of horizontal and vertical directions. Thi...  
JP2006265962
To further easily form improved ground and base isolation ground, and also to form an inexpensively realizable base isolation layer with further high realizability of its formation, by forming weak ground as a base isolation layer, by re...  
JP2006263868
To provide a manufacturing device and method of a screw point producing high-quality products at high economic efficiency compared with manufacturing methods by casting and forging.This manufacturing method of the screw point comprising ...  
JP2006266866
To observe generation of an underground phenomenon such as a fine crack having a possibility of exerting an influence on safety of an underground facility in the peripheral ground of the underground facility such as an oil stockpiling un...  
JP2006250451
To provide a radar exploration device with a radar unit for detecting embedded objects in a ground, having reduced cost by simplifying the arithmetic processing of the radar unit while avoiding unexpected operation of mines if being the ...  
JP3854550
To establish technologies to detect reinforcing effect based on displacement of a reinforcing structure, which is deformed in response to displacement of a base structure. A reinforcing structure evaluation system comprises a structure b...  
JP2006242648
To provide a device for monitoring environment in subsurface layer and a system for monitoring environment in subsurface layer using it which can monitor environment of wide subsurface layer without limitation in setting location.There a...  
JP2006241907
To provide a supporting device which presses a ground investigating apparatus to the ground stably and strongly.An anchor 9 is embedded in the ground from the supporting device for the ground investigating apparatus 1 having a head 7 ver...  
JP2006241828
To accurately take a sediment sample in an excavated hole at a predetermined depth by using a relatively simple constitution.Sample sediment in the excavated hole is taken by using a sediment sampling pipe 9. In the pipe 9, a sediment sa...  
JP2006242893
To provide a numerical analysis technology that, when determining probabilistic information (expected values, dispersion) for an attainment extent of underground water stream, can reduce the calculation time and the consumption of variou...  
JP3850543
To shorten time required for testing a self-boring pressure meter without lowering work efficiency even if the depth used for a pressure meter test is large and to control the disturbance of the wall of a boring hole to increase degree o...  
JP2006234648
To provide a method for a quick loading test of a pile that can obtain reliable data required for quickly and economically determining the support force of the pile.A weight 2 is dropped to the top of the pile 1. The weight 2 changes its...  
JP3848611
To increase a ground intensity in accordance with the scale of an external force or reaction force by using a suction action against an external force acting on the foundation of a building immersed in water. In an increasing method of a...  
JP3845807
To enhance performance by providing a diagonally inwardly pointed water channel in a tapered surface on the outer periphery of the end of an inner tube, and providing a water channel leading to a recess between blades at the end of a bit...  
JP2006226000
To provide a compounding method of a solidification material by which an unconfined compressive strength taking a compaction energy into consideration, a cone index, an air space ratio, a coefficient of permeability, an effective cohesio...  
JP2006225940
To provide a construction method of a foundation structure capable of remarkably reducing a construction scale, a construction period of time and a manufacturing cost by supporting the foundation structure on a lime ground.A geological s...  
JP2006219944
To propose an earth collector which more reliably holds soil samples collected in a sampler and makes available accurate soil samples with a simple construction.The earth collector 1 includes a tubular sampler 2 that consists of split pi...  
JP3841930
To provide a device of measuring ground resistance which simplifies the whole constitution while securing efficiency and reliability of connecting and disassembling works of partial rods. This device of measuring ground resistance is pro...  
JP2006208046
To provide a hydraulic shovel capable of measuring the water content of soil, using a relatively simple constitution.A bucket 6 is equipped with an excavation claw 17a on a transmission side for emitting a high-frequency pulse to soil an...  
JP3834679
To eliminate the need to draw out a drill rod so as to increase efficiency by solving the problem that sampling of a sample core during boring requires a drill to be temporarily pulled onto the ground and be inserted again into a hole wi...  
JP3832605
To provide a sampler that can positively extract a sample of the weak ground without needing a large-scare attachment. An intermediate tube 34 is arranged at the lower part of a core tube 16, and both tubes are connected to each other by...  
JP3831904
To enhance the accuracy of discrimination between stratum bedrocks in a construction range which includes a wide variety of grounds from a soft ground to a hard ground. An apparatus is equipped with: propulsion energy computing part 208,...  
JP3830395
To provide a method for forming a stake that is driven into firm ground by a drilling machine. The method includes a step for mounting a sensor to the drilling machine for measuring dynamic characteristics in a drilling tool, a step for ...  
JP2006183379
To provide an underground sampling tool installable in a tip bit part without removing the tip bit part of an excavator, reducing cost with a simple structure, capable of sampling even a sample of any depth in the ground, and capable of ...  
JP2006183322
To provide a method of testing a vertical load on an existing pile which measures a bearing force the an upper end of the existing pile and the peripheral surface friction of the same at a depth lower than a groundwater level under exist...  
JP3823255
To provide an axial force measurement method of a ground improvement pile which measures transmission state of axial force of the ground improvement pile after construction of a structure and evaluates intermittently vertical supporting ...  
JP2006177802
To probe the ground more precisely by making influence due to noise to be less likely.Current is supplied between a pair of current electrodes 3, installed at a ground 2 to be measured at a fixed period for measuring the potential differ...  
JP2006177097
To provide a vertical loading test method of a prefabricated pile capable of revaluating a proper supporting function by measuring the front end bearing capacity of the prefabricated pile in a place deeper than the groundwater level and ...  
JP3820652
To visually observe the state of the underground without boring a structure by progressing a metal pipe toward an underground structure by the application of a pipe bender, and inserting a micro television camera into the ground through ...  
JP2006169915
To provide a vertical load testing method for an existing pile performed for confirming support performance of a pile whether or not the existing pile used for an existing building can be reused as the pile for a new building when recons...  
JP2006170919
To acquire an earthquake response analyzer, an earthquake response analyzing method and an earthquake response analyzing program tailored to a behavior of an actual earthquake, and accurately analyzing an earthquake response.When a calcu...  
JP2006169758
To provide a ground bearing capacity testing apparatus which can easily measure the settlement of the ground with high accuracy, and to provide a ground bearing capacity testing method.The ground bearing capacity testing apparatus is com...  
JP3820364
To provide an intrusion sensor by which a frictional force acting on the side face of an intrusion body in an intrusion state, a total horizontal stress in a direction at right angles to a frictional surface and a pore water pressure can...  
JP2006161340
To realize the rational batch processing of the following ground information (water-bearing stratum constant) by requiring only a small number of observations or observation data, and easily and rapidly computing a permeability coefficie...  
JP2006152649
To provide a soil bearing power testing deice and a soil bearing power testing method capable of reducing an accident such that a measuring device part collides with an obstacle in moving, while accurately measuring a settlement quantity...  

Matches 501 - 550 out of 2,089