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JP5205590B2 |
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JP5205591B2 |
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JP3183846U |
To provide a sampler for sampling capable of sampling sand or sandy soil by a simple and inexpensive method at a site of a Swedish sounding test. A core portion 12 into which four inner tubes 13 of the same length for sampling are insert...
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JP3183667U |
To provide a cone penetrometer which has durability against impact and the like and can obtain a correct measured value without causing variation in measured values due to an eccentric load at the time of penetration or a slight deviatio...
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JP5198825B2 |
To provide a disaster-prevention monitoring system and a disaster-prevention monitoring method, comprehensively evaluating a landslide risk from measurement data of a slope, and providing disaster prevention information such as a plan vi...
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JP2013088277A |
To provide a soil hardness measuring instrument which has a simple structure, a reduction in cost and the improvement of operability and can easily perform inspection in a vertical direction and a horizontal direction.A soil hardness mea...
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JP2013087572A |
To provide an effect confirmation method for chemical injected ground that can precisely confirm the situation of the whole chemicals injected ground.An oscillation hole 3a and a reception hole 3b are formed in the ground 1 into which li...
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JP5190655B2 |
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JP2013072705A |
To provide a method for efficiently and safely detecting a discontinuity surface of a rock bed slope such as a steep precipice, and its device.Three-dimensional coordinate data of the rock bed slope is collected using a three-dimensional...
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JP5185083B2 |
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JP5173731B2 |
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JP5177663B2 |
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JP5170601B1 |
To provide a soil sampler having a simple shape, capable of easily collecting soil, having few failures, and being easy to maintain. A main body member 21 of a soil sampler 20 is formed in a substantially square cross section by a first ...
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JP5172509B2 |
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JP5171449B2 |
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JP5165048B2 |
To provide a ground survey instrument capable of inexpensively, simply and easily measuring different measurement items.A ground survey instrument comprises a sensor cable 1 having a ground measuring unit 2 on one end and a measuring ins...
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JP5168696B2 |
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JP5160694B1 |
To provide an underground soil sampling device and an underground soil sampling device which do not leak even if soil deeper than the groundwater level is sampled, have high sampling efficiency, and can be smoothly pulled out to the grou...
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JP5156989B1 |
To provide a ground improvement method and a ground improvement device capable of extremely efficiently performing ground improvement by chemical injection by performing a ground survey, boring and ground injection with the same device a...
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JP5159694B2 |
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JP5156984B2 |
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JP2013040499A |
To provide a columnar ground improvement method capable of performing columnar ground improvement in consideration for the soil bearing capacity in a ground immediately below a foundation.When a mat foundation 1 is used in a foundation o...
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JP5154918B2 |
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JP5152772B1 |
To provide a script point in which a result equivalent to that of a conventional Swedish sounding test can be obtained without causing variation in measured values even in a new test method in which the load is reduced by half. A screw p...
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JP5150324B2 |
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JP5141383B2 |
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JP5137682B2 |
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JP2013019235A |
To provide a soil measuring method which enables soil properties to be accurately measured at each depth while preventing a rod from being affected by earth pressure.In measurement in which a Swedish sounding tester 1 penetrates into the...
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JP2013019121A |
To provide a soil property determination method capable of accurately determining a soil property for calculating a conversion N value by handling, as a group, data related to allowable bearing capacities obtained by a Swedish sounding t...
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JP3181247U |
To shorten the time required for forming an impermeable layer in a boring hole and to reliably impermeable (stop) groundwater from an aquifer by forming the impermeable layer, despite the simple configuration. Provide a water shield capa...
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JP5132792B2 |
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JP5124488B2 |
The method involves enabling contact of a contact unit (1) with soil (11) during a contact phase, and exposing contact force exerted by the soil. The dynamic rigidity of the soil is established from the gradients of the contact force and...
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JP5128378B2 |
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JP2013007725A |
To provide a ground infiltration test device capable of performing a test irrespective of size of infiltration capacity.A ground infiltration test device includes: waterworks 1; a flow channel 2 for supplying liquid which supplies water ...
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JP5111981B2 |
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JP2012255305A |
To obtain a foundation load testing method with which workability is improved while ensuring the settlement of a test version.On a loading jack 20, a main girder 22 is installed via an upper pedestal 28. Both end portions 22A of the main...
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JP2012251301A |
To provide an automatic penetration test machine that is equipped with a cooling mechanism for a lifting/lowering motor.An automatic penetration test machine 1 is constructed so that a lifting/lowering motor 8 is driven in reverse at a h...
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JP2012251302A |
To provide an automatic penetration test machine that is equipped with a cooling mechanism for a lifting/lowering motor.An automatic penetration test machine 1 is constructed so that a rotational motor 6 is driven in reverse at a high sp...
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JP2012246644A |
To provide a method for grasping ground characteristics required for construction work and a seismic diagnosis of an existing structure.A method for grasping ground characteristics includes the following procedures: (a) three or more gro...
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JP5086781B2 |
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JP5083519B2 |
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JP5071875B1 |
To provide a soil sampling device capable of easily collecting soil by simplifying the shape of a sampler, and further, with few failures and easy maintenance. In a soil sampling device in which a sampler 20 for collecting soil is provid...
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JP5073094B1 |
To provide an automatic extraction device for a ground investigation rod from the ground, which can be miniaturized and simplified. An automatic extraction device 10 from the ground of a ground investigation rod according to the present ...
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JP5071786B2 |
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JP5069699B2 |
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JP5062574B2 |
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JP5062573B2 |
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JP5058948B2 |
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JP5057149B2 |
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JP5052559B2 |
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