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JP6526875B2 |
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JP6512480B2 |
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JP2019065523A |
To provide a ground investigation method that enables a certain degree of estimation of a prior research stage such as document survey for grounds with large liquefied ground and surface ground amplification.Provided is a ground investig...
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JP3221101U |
To provide an unconsolidated sampling device capable of reliably collecting an unconsolidated sample at an arbitrary position in a drilling hole, having a simple structure and easy and safe operation. A sampling unit 10 is provided in an...
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JP6506215B2 |
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JP6500300B2 |
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JP6501648B2 |
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JP6502199B2 |
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JP6496466B1 |
To provide a sampling device and a sampling method for realizing reduction of work. A sampler 1 is swingably attached to a container body 2 having a first opening 21 and a second opening 22 and a first closed position for closing the fir...
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JP6496642B2 |
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JP2019044450A |
To provide a screw point and a rod that can be connected and disconnected in a short time.It comprises a drill-shaped screw point main body 11 and a connecting portion 12 in which a thread is formed on an outer peripheral surface, and th...
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JP6482151B1 |
The present invention provides a core display diagram and a core evaluation method capable of appropriately evaluating the properties of the core, and the collected cores or the cores collected so as to reflect the section of the ground ...
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JP6482781B2 |
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JP6481945B2 |
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JP6474101B2 |
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JP6473913B2 |
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JP6472927B1 |
To measure the amount of land subsidence based on the measured value of a pore water pressure gauge arranged on the upper surface of the original ground even when the water permeability of the original ground and the landfill material is...
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JP2019023427A |
To provide a core collecting device capable of acquiring data for examining the accuracy of a collected core, a boring device using the core collecting device, and a method of collecting a core.A core collecting device is detachable to o...
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JP6468583B2 |
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JP2019015093A |
To provide a vibration analysis and evaluation method simply evaluating a characteristic and the like of a drilled ground or an excavation machine utilizing a drilling vibration of the excavation machine.A vibration analysis and evaluati...
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JP2019015126A |
To provide an estimation method of a strength of improved soil which can promptly check a strength of improved soil to which a soil improvement chemical is injected.A fluid is injected into improved soil through an injection hole after c...
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JP6461740B2 |
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JP6461335B2 |
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JP2019011608A |
To provide a method and a device for measuring a saturation degree of a subsoil which can directly measure a saturation degree of a subsoil with high accuracy.A method for measuring a saturation degree of a subsoil comprises: a frozen so...
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JP6451929B2 |
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JP6449075B2 |
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JP6440078B2 |
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JP6436050B2 |
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JP6436051B2 |
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JP6432776B2 |
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JP6432863B2 |
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JP6432978B2 |
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JP6433069B2 |
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JP6425086B2 |
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JP2018179668A |
To provide a ground water measurement device capable of preventing deterioration of a water sampling rubber stick of the water sampling port used in the ground water sampling device capable of sampling the ground water by suppressing a s...
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JP2018179742A |
To provide a groundwater level measuring device capable of confirming a groundwater level easily at a glance with a simple constitution; and to provide a groundwater level measuring system.A groundwater level measuring device 10, which i...
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JP6412766B2 |
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JP2018154971A |
To provide a foundation estimation method, a foundation estimation device, and a program that enable determination based on an engineer's experience to be automatically carried out with high reliability.This foundation estimation method ...
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JP2018154969A |
To provide a method for estimating spring water pressure of the natural ground which can accurately estimate the spring water pressure of the natural ground without closing an aperture in an entrance of a borehole.A method for estimating...
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JP2018145599A |
To provide a sampling method of soil samples for quickly lifting frozen soil without cutting work (coring) of the circumference of a frozen soil sample (frozen soil column), and a sampling device.A sampling method of soil samples compris...
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JP6384540B2 |
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JP6385895B2 |
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JP6376539B2 |
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JP6370271B2 |
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JP2018111950A |
To provide a measuring device, a construction apparatus and a construction system capable of improving efficiency of construction work by measuring status information on an object to be constructed.A measuring device 10 includes: a multi...
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JP6349591B2 |
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JP6353189B2 |
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JP6348811B2 |
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JP2018091124A |
To solve a problem in which: in an embankment structure, when a plurality of specimens that are collected in a depth direction as conventional are used, it is impossible to accurately determine soil strength based on Mohr's stress circle...
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JP6342557B1 |
To further improve the evaluation accuracy of a mixed state in the depth direction and the reliability of the evaluation result while evaluating the mixed state of stable-treated soil by a mixing and stirring device in real time. The mix...
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