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JP2004278147 |
To provide a sampling method and device of soil capable of accurately examining soil by securely preventing falling of soil.By driving a long sampling member 16 with a substantially U-shaped cross section and an enclosing member 18 enclo...
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JP2004278247 |
To provide a groundwater sample fixed-quantity sampler capable of sampling a fixed quantity of groundwater from a well for sampling a groundwater sample and the equal quantities of the quantity of water springing in the well and the quan...
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JP2004278304 |
To provide firstly a method for estimating consolidation yield strength using sounding test results instead of conducting a consolidation test where a consolidation deformation amount is determined with an existing calculation formula wh...
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JP2004279148 |
To provide a structure external force detector with a facilitated execution method for detecting a damaged position, etc. of a structure, and also to provide a structure external force detecting method.This detector is equipped with: an ...
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JP2004278113 |
To provide an automatic penetration testing machine capable of altering a vertical moving speed and the force of an elevating base and examining soil bearing capacity or the like.The testing machine has an elevating base 3 vertically mov...
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JP2004278165 |
To provide a ground checking apparatus which can measure the displacement of the ground generated by the fall of a deadweight with good accuracy, irrespective of the condition of the ground.The ground checking apparatus is formed of a mo...
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JP2004270188 |
To provide a submersible supporting force measuring device capable of sufficiently securing the reliability of the measured result even when the submersible supporting force of the ground is measured.The submersible support force measuri...
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JP2004263417 |
To provide an automatic penetration tester realizing a rapid and accurate load change.In the automatic penetration tester having a lift base 3 vertically movable along a strut, a chuck 4 rotatably mounted on the lift base 3, a chuck rota...
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JP2004257193 |
To provide a ground strength measuring device requiring not much time for measuring ground strength.This ground strength measuring device 10 measures ground hardness from a moving distance of a rod 30 by pressing the rod 30 connected to ...
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JP2004257192 |
To provide a ground strength measuring device requiring not much time for measuring ground strength.This ground strength measuring device 10 is composed of a frame 10 installable on a moving vehicle 70, an intrusive piston 30 intruded in...
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JP3594843 |
To provide a liquefaction detection device which can be installed inexpensively and make a rapid and reliable judgment on the presence or absence of generation of the liquefaction, and provide its system. This liquefaction detection devi...
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JP2004245664 |
To provide a nondestructive geological survey method and an apparatus not impairing advantages of a previously proposed technology and overcoming various disadvantages due to provision of an inner container.In the method, a pressure bulk...
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JP2004244814 |
To provide a vertical load test 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 of a new building when reconstruc...
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JP2004239620 |
To provide a testing method of slightly water-permeable earth materials for rapidly measuring various kinds of characteristics in a sample used for each test of permeability or air permeability to the slightly water-permeable earth mater...
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JP2004232212 |
To provide an easily and safely loosening tool requiring no skill and high technology for work for loosening a firmly connected screw point and a rod.In this loosening tool, a shape of a fixing guide opening part 13 and a cross-sectional...
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JP3585425 |
To permit vibration simulating train travel and to quantitatively determine the influence of a vehicle unsprung weight on the vibrations of a track and the ground. This excitation apparatus 1 for simulating train travel includes a test t...
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JP2004225313 |
To provide a dropping device for a weight and a method for dropping the weight using it, which is difficult to be a hindrance to a working process even when the suspension and free dropping of the weight are repeated.In the dropping devi...
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JP2004225484 |
To provide a loading test method for a pile for highly reliably evaluating bearing power by preventing settlement of the pile even if a loading test is performed on a friction pile used as a permanent pile.Maximum peripheral surface fric...
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JP2004225469 |
To provide a ground investigating method and a device for easily, accurately and stably investigating a property of the ground.The ground investigating method and the device investigate the property of the ground based on a detected resu...
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JP2004211523 |
To provide geological survey equipment capable of measuring a static penetration resistance of a ground in an underground layer and, at the same time, surely sampling a ground specimen.The geological survey equipment 1 is equipped with a...
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JP2004211399 |
To provide a support layer selection program for easily and accurately selecting a stratum adoptable as a support layer for supporting a structure from survey data.Only the penetration depth data D determined as the support layer by 20kN...
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JP2004204569 |
To compute the supporting force of the whole spliced pile 10 as follows; in a spliced pile 10 composed of a lower pile 6 having a support force computational formula and a different kind of upper pile 1, (a), the support force of the low...
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JP2004204588 |
To provide a geological sampler preventing the intrusion of cuttings into a sample.A core bit 3 constituting the geological sampler has a cutting edge 13 formed with a cylindrical inner excavating face, outer excavating face and an annul...
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JP2004197349 |
To provide a penetration test method of soil, which is carried out by boring the ground for measuring.According to the method, the ground is bored by pressing ground earth around a pile head into the peripheral ground, or a well is bored...
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JP2004197429 |
To provide a soil investigation method capable of discriminating the natural ground, a colluvial deposit, a cavity or the like by utilizing drilling data obtained from a rock drill.In the soil investigation method based on the drilling d...
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JP2004190242 |
To provide an underwater penetration testing machine capable of appropriately and fully coping with determination on the hardness of the underwater ground to positively and fully acquire an effect of improving reliability as the ground f...
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JP2004191364 |
To provide a core sample collecting device which can collect samples suitable for study of microorganisms in the earth crust without a fear of contamination of the samples by external microorganisms, and to provide a core sample collecti...
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JP2004183392 |
To efficiently and correctly conduct survey of a contamination state in the ground.There is provided an underground sampling device 1 mainly formed of a hollow cylindrical boring pipe 2 and a sample taking attachment 3 arranged at the ti...
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JP2004176319 |
To easily measure the foundation ground bearing power of an excavated pit or the like.A body casing 2 is disposed on the foundation ground F to be measured, through support posts 7, and the free fall of a drop casing 3 to the body casing...
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JP2004177358 |
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.This...
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JP2004169503 |
To provide a verticality checking device for a steel pipe pile, which checks the verticality of the steel pipe pile in a very easy and correct manner.The verticality checking device 1 for the steel pipe pile includes a cover member 2, a ...
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JP2004169398 |
To provide a sea bottom sitting type geological sampling device which is lightweight and excellent in workability and can stably sit on the sea bottom.The device is for geological sampling by a boring machine (not illustrated ) loaded on...
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JP2004163322 |
To conduct quick measurement by multiplex oscillation, possible by enabling separation of signals oscillated concurrently from a plurality of oscillators.This non-destructive measuring device is configured so as to transmit or receive at...
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JP2004156349 |
To provide a fluidizing treating construction method in which fluidized treated soil, in which a volumetric change is difficult to occur and which has high quality, can be applied even when large force works to fluidized treated soil by ...
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JP2004156219 |
To spare labor in obtaining a press-in reaction to conduct a test with ease.The press-in test device 1a for a pile is provided with a recorder 76 expressing a settlement depth of a test pile 60 in a graph, heavy equipment 7 capable of dr...
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JP3558492 |
To enable highly accurate measurements by extending a time base of a receiving signal by a sample hold circuit, and setting as a receiving time point when an amplitude of the signal after subjected to variable gain amplification and A/D ...
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JP3558491 |
To improve detection accuracy by extending a time axis of a detected wave by a sample hold circuit, amplifying and digitally converting a signal and detecting as a detection time point when an amplitude of the signal reaches a threshold ...
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JP2004150032 |
To easily take a measure to cope with repairing in case the subsidence of foundation structure has occurred in the foundation structure for a building.Predetermined instrumentation is carried out to the ground on which the foundation for...
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JP2004150264 |
To provide an excavating construction method and its device for satisfying facility and economic efficiency of work for performing high-quality sampling construction work, providing a technological constant required for design and constr...
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JP2004150249 |
To prevent an impulsive sound generated by a collision of an automatic dropping device and a knocking head when dropping the automatic dropping device along a rod up to the knocking head in a standard intrusion test.This sound arrester i...
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JP2004137820 |
To provide a device and a method for sampling a stratum, which are suitable for a length up to a great depth.This stratum sampling device 10 penetrated into the ground for sampling sediment of a fixed length is composed of: a sampling bo...
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JP2004138497 |
To surely generate a constant impulsive wave at a prescribed interval, without depending on corporal personnel expenditure and mechanical hammer system and without crushing an earth surface.A positive electrode 41 and a negative electrod...
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JP2004137813 |
To provide a penetration testing machine capable of obtaining only the necessary section of sound information changing in response to a soil property.The penetration testing machine has a sound detecting means 13 detecting a sound transm...
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JP2004132103 |
To provide a penetration testing machine automatically executing operation processing such as a conversion N-value operation or the like having different coefficients used for operation in accordance with soil.A sound propagating a penet...
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JP2004125672 |
To provide detailed soil property information on a boring core necessary for preparing a column diagram.Light is applied to the boring core housed in a core housing box by using light sources different in wavelength characteristics, such...
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JP2004124509 |
To realize continuous sampling work while reducing labor in sampling soil in a soil sampling apparatus.A soil sampling part 2 is mounted on a working vehicle. The soil sampling part 2 is composed of a cylinder body 8 and a main frame 6 f...
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JP3546149 |
To reduce windage loss and suppress noise. A mold consists of a rotary beam 6 that has a rotary axial line 3 while an outer contour is formed nearly in a rectangular parallelepiped shape and upstream side straightening bodies 24 and 25 t...
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JP2004117074 |
To provide a soil mining apparatus with superior impact resistance, which can widen the diameter of a mining tube.The soil mining apparatus is provided with the mining tube 10, a cone 20 which has a diameter capable of blocking a top ape...
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JP2004116075 |
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 ...
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JP2004116257 |
To provide high durability and detecting capacity of high accuracy without causing severance of element wire of a cable and severance of the cable by preventing a transmission means for power supply and detection signals from receiving m...
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