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Patent Searching and Data


Matches 701 - 750 out of 2,127

Document Document Title
JP3683090B
To anticipate ground vibration, when blasting is performed plural times so as to cause interference with the ground vibration, and to produce the desired ground vibration. Ground vibration when main blasting involving plural times of bla...  
JP2005139862A
To provide a vertical direction water permeability test device equipped with an intrusion distance decision mechanism of an unagitated sample taken in.The intrusion distance decision mechanism provided with an intrusion distance decision...  
JP2005139643A
To provide a water permeability test device measuring the coefficient of water permeability in the vertical direction of an in-situ ground by unagitated samples.In a vertical direction water permeability test device of the in-situ ground...  
JP3681813B
To reliably discriminate a change in the geology by acceleration data, and accurately recognize an arrival at the geology of a water impermeable layer or the embedment ground by arranging a piezoelectric element type accelerometer in a h...  
JP3681163B
To prevent draft of back-filling soil. In this back-filling soil draft preventing construction method, back-filling soil improvement strength causing no draft of the back-filling soil 6 is detected by a verification experiment based on a...  
JP3680301B
To provide a slime measuring method and its equipment capable of confirming the slime in real time which has been definitely removed before and after the slime treatment at the diameter widening portion located at the shaft portion of a ...  
JP2005127760A
To explore foundations in a short time without having to directly determine the detection time difference of Rayleigh waves between detectors.When a power amplifier 50 actuates a shaker, a foundation is excited, and Rayleigh waves are de...  
JP3676279B
To provide a core sampling apparatus which is constructed such that fluid flowing through a fluid passage is discharged to an area other than a coring area before core enters an inner pipe. The core sampling apparatus is constructed in t...  
JP3675164B
To detect a support ground position supporting an improved column body precisely without causing a difference among individual persons. Digging energy E per 0.1 m in 1 m in the vicinity of support ground is obtained based on a current va...  
JP2005120609A
To provide a vertical water permeability testing device suitable for carrying out a method of measuring the permeable anisotropy of the in-situ ground.The vertical water permeability testing device is composed of an outer pipe rotated to...  
JP2005113383A
To provide an improved double-core tube sampler which enables efficient coring.In this double-core tube sampler, a drain hole (12c) for discharging water, supplied in excavation, to the outside is provided in a side wall slightly above t...  
JP3669495B
To provide a geological survey sampler capable of adopting an undisturbed sampler. The geological survey sampler includes a first body (20) and a second body (30), the first body and/or the second body is formed of a half member or a mem...  
JP2005105770A
To provide a method of accurately calculating a stress, a coefficient of rupture mode support force, and an allowable stress intensity in a multi-layer ground.An equivalent conversion thickness theory provided by generalizing a Barber me...  
JP2005105582A
To prevent having influence of noises on a worker as a low noise, by carrying a vibration damper in a soil investigating site by passing through a narrow space of a degree capable of passing a person.An air damper 20 is equipped on both ...  
JP2005098018A
To provide a method for measuring a ground pressure between a foundation and a bearing ground for using the foundation of an existing structure, according to which a possibility of using the foundation of the existing structure, for exam...  
JP2005098014A
To provide a loading implement for a rapid loading test of a pile, which does not require a large-scale apparatus as in a case of a heavy weight drop method, hardly causes noises nor ground vibrations, and has no need of using a cushioni...  
JP2005090045A
To easily perform operation with a simple structure.This sampling device 1 of the soft ground has a vertically extending cylindrical body 4 supported in an eccentric position of a driving shaft 2 supported so as to be liftably drivable a...  
JP2005091295A
To provide an ground water level survey method capable of reducing the period and cost of a survey by dispensing with a boring work in a range needing the ground water level survey.This method comprises a level measuring step of measurin...  
JP3662007B
To select a cone intrusion test of high accuracy and ground sampling using a fixed piston. In this fixed piston sampler with a cone function, a cone part 5 with the cone function is disposed at the tip of a piston 6 in a hollow pipe of t...  
JP2005083001A
To attain an increased efficiency of work and the maintenance of a hole wall by using a submerged type boring machine in the sea bottom and adapting a wire line system.This wire line core sampling device uses a boring rod held by the chu...  
JP3660578B
To provide a method capable of easily estimating strength of the ground by simple work. A bit 114 of a boring machine 110 bores a hole in the ground, for example, after boring data for every 5 mm depths is collected, the boring data is p...  
JP2005076200A
To provide a soil sampling apparatus which can collect soil samples in a depth direction, that are necessary at every predetermined work, without hindering execution of deep chemical mixing, by carrying out simple work with safety and wi...  
JP2005068802A
To provide an easily and inexpensively performable quick loading test device for a pile.This device is used for a quick loading test for the pile performed by impacting a pile head 4 by a weight 3, and is composed of the weight and a sho...  
JP2005068707A
To provide a rapid loading test device of a pile for simply obtaining highly reliable data as data necessary for estimating support force of the pile driven into ground in a short time.The rapid loading test device of the pile comprises ...  
JP2005061102A
To provide a measuring device being constituted so that the outer peripheral surface of a pressure sensing device can be inserted into the pit of a frozen ground without fatally damaging the outer peripheral surface resulting from the ex...  
JP2005061946A
To enhance work efficiency in a sampler for core collection.A tube body 11 is rotated while being supplied with a fluid such as water or air. A screw-shaped impeller 12 of a vibration generator 14 is rotated by the fluid supplied by the ...  
JP2005060955A
To provide a sampler in the ground capable of efficiently and accurately investigating a state of contamination.The sampler 1 in the ground approximately comprises a hollow cylindrical boring pipe 2 and a sampling attachment 3 provided t...  
JP3653168B
To provide a construction method that is economical in terms of both working hours and expenses. A plurality of blastholes 1, 1... are provided in the area of the ground for consolidation, and pore-water pressure in the ground is measure...  
JP2005054395A
To provide an automatic penetrometer which can automatically obtain positional information such as an address of a test location.This automatic penetrometer, which comprises a liftable or lowerable platform 4 which is lifted/lowered alon...  
JP3646200B
To obtain a measuring method in which the shear rigidity of soil in its side fluidization can be measured precisely by a method wherein a torque is applied to the soil in a hollow specimen, a strain is generated, a pulse signal is given,...  
JP2005042446A
To derive an elastic modulus of the ground by relatively easy work.A load value and displacement of a time series by a FWD test are acquired by a load acquiring part 210 and a displacement acquiring part 210. The corresponding relationsh...  
JP2005036570A
To provide a point penetration testing method using a dynamic cone penetration testing machine and a penetration testing machine used for the method capable of measuring N-value of more accurate ground in a state to have no circumferenti...  
JP2005036405A
To perform work, wherein a soil sample penetrating into a soil sampling tube is gathered by making the soil sampling tube penetrate into soil by a predetermined depth and pulling it out, in a labor-saving manner by man power.A handle ham...  
JP2005036581A
To provide a vertical loading testing method of the directly under ground confirming availability of the directly under ground of a structure without pulling down a foundation of the existing structure.A part of a foundation slab coming ...  
JP3643579B
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 ap...  
JP2005030073A
To highly accurately control a compaction degree of a vast compaction constructing area in real time.A CCV specified value is determined by inputting a CCV measured value when performing test work execution by a compaction machine (Step ...  
JP3640779B
To provide a sounding testing device used for a Swedish sounding testing method, in which labor-hours are not required and by which accurate measurement is conducted easily. The sounding testing device has a rod 10 with a screw point, in...  
JP2005023644A
To provide a screw point capable of providing an investigation result of expressing true properties of the ground, in the screw point used for a Sweden system sounding test.This screw point 12 is formed by arranging a spiral projecting p...  
JP2005023560A
To provide a standard penetration testing device superior in convenience in use, and capable of highly accurately performing a standard penetration test.A scale 13 is installed in a vicinal position of a knocking block 4. A drive hammer ...  
JP2005023547A
To provide a penetration testing machine capable of preventing damage of a part at dividing/assembling time, by simplifying a connecting part structure of respective block elements.This automatic penetration testing machine has a stand 2...  
JP2005016185A
To simply assemble and disassemble a strut fixing device and to effectively use a strut.In an automatic penetration testing machine, a strut fixing member 10 of a base 2 is provided with a pressure block 11 freely projecting and recessed...  
JP2005016145A
To more accurately reproduce the actual phenomena such as the change of underground water or stress condition, etc. in the field ground in which the super well point construction method is executed.The invention is an miniature model 1 o...  
JP2005016186A
To provide a penetration testing machine, always smoothing the elevating operation of an elevating table.This penetration testing machine includes: an erected column 2; the elevating table 3 provided to elevate along the column 2; a chuc...  
JP2005016187A
To provide a penetration testing machine, quickly and easily installed in a predetermined attitude.This penetration testing machine includes: an elevating table 3 elevated along an erected column 2, a chuck 4 provided on the elevated tab...  
JP2005009983A
To provide a ground information processing method which accurately and speedily computes ground information to be used for designing an earth resource system.A surface wave exploration means 4 is used to nondestructively detect the condi...  
JP2005009253A
To provide an automatic penetration testing machine and a method for pulling out a penetration rod by which the penetration rod can be pulled out surely from a ground.The automatic penetration testing machine has a vertically movable pla...  
JP2005002731A
To provide a rod chuck of a penetration testing machine having high strength and maintenability.This rod chuck is constituted to hold a penetration rod 6 by engaging a steel ball 42 with a long groove 6a of this rod 6, by inserting the r...  
JP2005002711A
To easily and correctly determine a critical hydraulic gradient of soil.A hole is drilled in the water permeable ground; a hydraulic gradient is increased by gradually reducing a water level in a drilled hole 3; a boiling phenomenon of j...  
JP2005003657A
To find frequency effects in a polarization characteristic as one of electrical characteristics of the ground, in response to a distance in the direction of an axis of a drill hole and a distance in a direction orthogonal to the axis of ...  
JP3631631B
To smoothly draw out a penetration rod while reducing labor burden of operators for the drawing work for the rod. This device is provided with a slide block 13 which can be linearly and reciprocally slided by the drive of a hydraulic cyl...  

Matches 701 - 750 out of 2,127