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JP5646309B2 |
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JP5646679B2 |
Disclosed is a permeameter for in-situ measurement of saturated hydraulic conductivity. The permeameter includes a chamber fixedly installed into a streambed sediment such that the inside of the chamber is filled with a medium, sediment ...
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JP2014234629A |
To provide, for small-diameter tunnels with around 2 m of diameter, a foundation strength measurement analysis system which comprises a rotary boring machine capable of boring upward and a foundation strength measurement device for measu...
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JP5636563B2 |
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JP5634190B2 |
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JP5633023B2 |
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JP5625173B2 |
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JP2014211374A |
To provide an index by which boring crack columnar figures can be quickly created at an arbitrary cross section, and which evaluates a distribution of cracks at a prescribed boring position, and to provide a creation method of a stratum ...
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JP5622515B2 |
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JP5619263B1 |
To provide a loading test device to which a flat plate loading test method is applied, which requires a small installation space and can shorten the setting time of the device for testing. The relative distance between the measurement re...
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JP2014206007A |
To model clogging effect of a grout material to quantitatively evaluate.In a method for quantitatively evaluating clogging effect of a grout material that quantitatively evaluates deterioration of penetration property of a ground due to ...
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JP5610986B2 |
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JP5606414B2 |
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JP5604671B2 |
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JP2014173303A |
To provide a core sampling device capable of sampling a core of good quality while preventing the core from being disturbed when the core is sampled.In a core sampling device which samples a core inside of a core tube, the core tube is c...
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JP5582627B2 |
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JP2014157091A |
To accurately evaluateC that derives from a natural organic substance to measure the age of groundwater.A solution 7 containing an artificial organic substance and a natural organic substance is obtained by dissolving powder, such as hum...
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JP5580103B2 |
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JP5565751B2 |
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JP5559660B2 |
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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JP5560380B1 |
[Subject] Generating of noise can be lessened and a bit device for ground survey rods which can improve work environment is provided. [Means for Solution] Bit device 30 for ground survey rods concerning this embodiment is provided with t...
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JP5554294B2 |
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JP5544443B2 |
A method of reducing uncertainty, which exactly finds the hydraulic conductivity and the specific storativity of a rock sample in pressure pulse-decay measurement. Axial and confining pressures are applied to the rock sample, and upstrea...
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JP5541533B2 |
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JP2014122464A |
To provide a subsurface exploration method and apparatus enabling a dynamic strength (penetration resistance value) of a subsurface in a testing depth and physical properties such as soil property discrimination for each depth to be easi...
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JP5526290B1 |
A sample extraction apparatus for extracting samples from a target ground in order to assess whether liquefaction occurs in the target ground, includes: a casing; a holding sleeve, installed inside the casing, for holding the samples; an...
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JP5524526B2 |
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JP5520643B2 |
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JP5513048B2 |
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JP5513164B2 |
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JP5513086B2 |
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 h...
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JP5513165B2 |
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JP5506995B2 |
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JP2014095645A |
To provide a pull-out testing device capable of grasping a basic strength even at a site in which a heavy machine cannot be employed and yet capable of accurately measuring the basic strength.A pull-out testing machine 1 for measuring a ...
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JP5499069B2 |
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JP2014091904A |
To provide a penetration rod with a radio communication function that can receive an underground measurement signal with excellent sensitivity.There is provided a penetration rod with a radio communication function constituted such that ...
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JP5490456B2 |
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JP5484165B2 |
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JP5487265B2 |
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JP2014074265A |
To provide a soil sampling device capable of sufficiently sampling the required quantity of soil when sampling sandy soil in a water-retaining condition in the depth equal to or below a groundwater level when effectively utilizing simpli...
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JP5479428B2 |
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JP5474592B2 |
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JP5472739B2 |
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JP5473760B2 |
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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JP2014062447A |
To provide a penetration testing device applied to a Swedish sounding test, capable of easily clamping a rod despite a simple composition.A clamping mechanism 6 is rotatably set on a loading pallet and capable of holding a penetration ro...
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JP5463381B2 |
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JP5467233B1 |
To provide a ground improvement method capable of economically and easily performing ground improvement by injecting a bubble-containing liquid by grasping the unsaturated state of the ground in real time. Liquefaction is prevented by in...
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JP3189906U |
To provide a building damage determination device capable of easily and quickly performing construction influence and building damage by a rational method without requiring specialized knowledge for each of ground movement and constructi...
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JP5456429B2 |
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 proces...
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JP5452286B2 |
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