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JP2012097480 |
To provide a technology for estimating a geological distribution.A geological estimation system includes: resistance acquisition means for acquiring resistance when placing a long burial object to be buried underground to the ground; con...
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JP2012097445 |
To provide a method for measuring the degree of saturation of ground, which enables high-precision measurement when the degree of saturation of the ground is measured on the basis of specific resistance of sand ground undergoing injectio...
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JP2012092572 |
To provide a penetration testing device securing high reliability of measurement data as the penetration testing device applied to a Swedish sounding test, the penetration testing device being capable of penetrating a penetration test ro...
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JP2012092495 |
To provide a rod chuck in a penetration testing machine by which an operator can install a penetration rod quickly and accurately.A rod chuck in a penetration testing machine includes a penetration rod 4 having engaging grooves on the si...
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JP2012092494 |
To provide a rod chuck in an automatic penetration testing machine capable of preventing damage due to striking.A rod chuck 10 in a penetration testing machine 1 includes: a hollow chuck shaft 11 having an internal hole in which a penetr...
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JP2012082617 |
To provide a sampling device of unconsolidated distal end foot protection liquid, capable of surely opening and closing a sampling port and surely sampling only foot protection liquid at the lower part from a sampling port position when ...
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JP2012077489 |
To provide an automatic penetration test machine capable of stably achieving load control by feedback while reducing an impact load when a penetration rod penetrates into the ground.An automatic penetration test machine 1 includes: a lif...
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JP2012077490 |
To provide an automatic penetration test machine capable of stably achieving load control by feedback while reducing load fluctuation due to influence of an inertia when a testing load is changed.An automatic penetration test machine 1 i...
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JP2012067560 |
To provide a ground property testing method and a ground property testing device capable of measuring with high accuracy a displacement amount of the ground displaced by directly applying a load on a ground surface reached by an excavati...
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JP2012068052 |
To provide a ground property testing device which can measure displacement amount of ground displaced by loading directly on a ground surface reached by drilling, with high accuracy, without necessity of installing a pile on a pile hole....
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JP2012063365 |
To provide an earthquake response analysis device, an earthquake response analysis method, and an earthquake response analysis program that perform earthquake response analysis of high accuracy.An arithmetic part 16 when performing the e...
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JP2012052412 |
To provide a method for injecting air into ground, which enables an unsaturated area to be efficiently formed along with a grasp of a range of the unsaturated area formed in the sand ground.While air A is injected through an air injectio...
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JP2012047588 |
To provide an apparatus for highly accurately measuring a physical quantity relating to a soil sample while maintaining a structure in a natural state.A digital soil physical property measuring apparatus 1 includes: a control panel 3 for...
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JP2012047043 |
To provide a portable corn penetration testing device which is capable of executing a portable corn penetration testing without requiring manual assistance and advantageous in eliminating variations in measurements.A portable corn penetr...
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JP2012041718 |
To solve the problem that it is needed to accurately determine whether or not a mixed foot protection agent to be formed at the bottom part of an excavation hole in a cement milk method is correctly formed and determine the time until th...
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JP2012037204 |
To provide a mine searching device for searching and removing a mine safely and quickly.The device has: a flying means, which flies in the air, a position detecting means, which detects a present position; a first recording means, which ...
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JP2012037297 |
To enable simple inspection of a leakage portion from a reservoir over a wide range independently of inspection boring holes when specifying a portion to be preferentially subjected to a water cutoff countermeasure.A method for specifyin...
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JP2012031650 |
To provide a geochemical sampler capable of reliably collecting a sample of fluid in the ground at a required position.A geochemical sampler covered with an external cylinder 10 comprises a mineral fluid reaction unit 11, a fluid collect...
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JP2012026126 |
To provide an automatic penetration testing machine and an attaching method of an extension rod, capable of appropriately attaching the extension rod to a chuck unit when adding the extension rod.The extension rod is connected to a penet...
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JP2012026781 |
To provide a ground deformation analysis device and the like capable of performing a ground large deformation analysis taking into account of the influence of ground water.The ground analysis device 1 for performing a ground deformation ...
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JP2012017641 |
To solve the problem in which it is very difficult to use a conventional soil sampling device for soil sampling from a small-diameter hole bored by testing equipment such as a Swedish type sounding testing equipment in a sandy soil layer...
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JP2012012918 |
To solve the problem that, when it is intended to collect a core with a known bearing during a soil investigation boring, a twist in a non-rotary rod as accumulation of machining errors in members and co-rotation with a rotating boring r...
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JP2012001999 |
To solve the problems that a conventional soil support force measuring method using a plate loading test device is large-scaled and takes long time and a high cost to measure soil support force, and immediate coping cannot be performed w...
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JP2011252812 |
To highly precisely and efficiently detect a bleeding channel in a bedrock, especially a bleeding channel with small permeability.A system 1 of this invention for detecting a bleeding channel in bedrock includes a freshwater tank 9, a co...
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JP2011246911 |
To provide a method for measuring settlements by stratum with less workload and a low cost.Simple settling bars 1, which are rods 11 with a screw 12 disposed on one end thereof, are prepared corresponding to the number of strata whose se...
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JP2011246923 |
To provide a soil collection pipe device which enables soil to be collected in a curve excavation path by means of a free curve excavator, soil constituents to be accurately examined and the collected soil to be easily taken out.The soil...
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JP2011247678 |
To provide a groundwater level observation system for easily, widely, and efficiently measuring the distribution of groundwater level without necessity for digging many wells for observation.One or few wells 13 for observation are instal...
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JP2011241536 |
To provide a working method that prevents a rover from becoming unable to travel due to its wheels being stuck into regolith or getting damaged from rolling over a rough terrain during collecting samples or the like on the moon surface.T...
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JP2011241668 |
To provide an on-site vane test device mounted with an electrically driven gear which enables a rotation force to be applied from a place adjacent to and above soil under test in the ground without limit of a test depth by mounting an el...
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JP2011236554 |
To be able to collect a sample at the targeted depth position easily and securely by eliminating the possibility that a pile hole infill on the way to the targeted depth could be attached around the undersurface of a upper external cylin...
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JP2011231568 |
To provide a pore water pressure measuring device for repeatable use, soft ground improvement method using the same, a method for determining a dynamic state of a ground for underground installation, and a method for determining a dynami...
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JP2011226157 |
To provide a soil sampling device capable of surely sampling a soil sample from desired depth and secure a sufficient sampling amount in the case of a ground survey.A soil sampling device uses a Swedish type sounding testing machine whic...
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JP2011226084 |
To provide a sea-bottom-seating type sea-bottom boring machine 1 which can efficiently collect a sea-bottom deposit layer M sample and a sea-bottom bed rock layer N sample.The sea-bottom boring machine 1 includes a drill head 3 liftably ...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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