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JP2001235454A |
To provide a consolidometer of soil capable of accurately evaluating true strength and settlement rigidity by returning a soil specimen disturbed by sampling or molding to an original ground soil state and its test method.A receiver 3 co...
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JP2001235379A |
To make highly reliably measurable axial force while fastening a screw in a method for measuring the axial force of a bolt using ultrasonic.A retainer plate 7 with an ultrasonic probe 8 fixed is assembled in a socket 1 for fastening scre...
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JP2001215166A |
To correctly measure distortion/setting characteristics of an elastic modulus of a plastic material.In executing a tensile test to the plastic material at a tensile tester, a plurality of marks 2a-2g are provided via an arbitrary interva...
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JP2001208640A |
To accurately and speedily carry out a static test of a base-isolated floor for installing equipment.A screw jack 20 is detachably connected to a base-isolated floor 1 to horizontally reciprocate the base-isolated floor 1. Compressive st...
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JP3189241B2 |
PURPOSE: To accurately and easily measure dynamic elasticity and rigidity of material at the same time. CONSTITUTION: A supporting part 2 holds a node of vibration at resonance of a material 1. The material 1 held by the supporting part ...
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JP3183893B2 |
PCT No. PCT/DE97/00773 Sec. 371 Date Feb. 16, 1999 Sec. 102(e) Date Feb. 16, 1999 PCT Filed Apr. 16, 1997 PCT Pub. No. WO97/40355 PCT Pub. Date Oct. 30, 1997A method and apparatus or device are shown for checking the solidity of vertical...
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JP2001183127A |
To detect an object deforming and to specify its deformation part. A reflected wave of vibration that a vibrator generator 30 causes the object to generate is detected by a reflected wave detector 30 and a reflected wave analysis part 52...
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JP2001165806A |
To provide a strength evaluating method which can correctly evaluate the strength of a metal frame by a frame model which can be easily and inexpensively manufactured in evaluating the strength of the symmetric metal frame using the fram...
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JP3152673B2 |
PURPOSE: To obtain a method wherein dynamic physical properties which is highly satisfactory for practical purpose in stages of design are specified by a simple technique and with high precision in specification in regard to the performa...
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JP3066391B2 |
A compliance tester tests the flexibility of a motor vehicle suspension system which includes a bush. The tester comprises first and second bases between which is defined a fluid chamber whose volume is variable upon a vertical movement ...
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JP2000192999A |
To accurately measure a designated load at a designated height by slidably arranging a guide cylinder having almost the same diameter as an outside diameter of a measuring coil spring in a cylindrical holder. A guide cylinder 3 is slight...
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JP2000186974A |
To accurately calculate a young's modulus, taking nonlinearity of the young's modulus of a resin material into account. An approximation model creation and storing means 10 has a a means 11 for setting and storing initial conditions for ...
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JP3049234B2 |
To facilitate the temperature control, simplify the measurement and the equipment, reduce the cost, etc., in conducting tests simulating the deformation behavior of a structure. In the simulator simulating deformation behavior of a struc...
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JP3040360B2 |
To provide a device for inspecting a deformation capability under the press of a cylindrical body being used as the flexible part of a flexible tube. An inspecting device 10 has a casing 14 that can accommodate a cylindrical body 12 and ...
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JP2000131184A |
To grade a torsion spring to be measured, as to whether or not it satisfies required conditions by a method, wherein the torsion spring to be measured is wound and upwound and the relationship between a series of known winding positions ...
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JP3020162B1 |
A sacrificial specimen for use in monitoring a long-term stress intensity of a structure including a main body made of a metal and having an artificial crack formed at a central region thereof, and a pair of metal or synthetic resin thin...
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JP2000055776A |
To obtain a measuring method in which the bending rigidity of an already constructed structure is measured simply without being influenced by a boundary condition which expresses the support state of the structure. A measuring method for...
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JP2000055650A |
To automatize unevenness inspection for a specimen using a detecting means of an optical system to provide an inspection result with high reliability. A toothed wheel 11 is rotated intermittently along an arrow mark A direction by every ...
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JP2992877B2 |
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JP2987840B2 |
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JP2981562B1 |
[wrap up] [Task] A damage / damaged part detection device that shortens the inspection time of aircraft, etc., can extract and analyze fatigue information of the aircraft, and can grasp the defective status even if damage or damage occur...
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JP2952594B1 |
Focusing on the application of a predetermined relationship between the length of a fatigue damage detection sensor having a width of a specified shape and a required sensitivity or sensing accuracy (crack propagation rate), the present ...
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JPH11258102A |
To perform a rigidity test of a segment ring accurately and efficiently. A plurality of arcuate segments 1 are jointed together in circumferential direction to assemble into annular shape, thus a segment ring is formed. A PC steel wire 1...
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JP2938443B1 |
[wrap up] [Task] When a rod-shaped test piece is inserted into a transparent pipe and a buckling test is performed while restraining the buckling of the test piece to some extent, the rod-shaped test piece can sufficiently reduce the axi...
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JPH1194787A |
To monitor the development of a crack in a wide range of a direction, by measuring the impedances of two extended electrodes constituted so as to pass a current to a resistance layer and the impedance of the resistance layer, and measuri...
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JP2840728B2 |
A two-layer structure composite material, by which it is possible to easily detect the occurrence of the cracks occurred in the structural material and to predict the possible destruction of the structural material before it actually occ...
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JP2800561B2 |
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JP2787121B2 |
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JP2729934B2 |
To directly measure a flexure strength of a product itself in order to warrant safety and reliability of the product. An oil cylinder 38 is supported to an upper end section of a pole C perpendicularly provided on a fixing base A and a s...
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JP2693610B2 |
A method of non-destructive inspection for resinous automotive bumper beams provides for applying a flexural load to the center of a bumper beam by a pressing jig in a state where both ends of the bumper beam have been pivotably supporte...
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JPH09237267A |
To provide a method and a system for precisely calculating the modulus of elasticity of a material with fibers adapted reality. An elastic modulus A obtained when a material is pulled in the same direction as the direction of fiber orien...
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JP2649579B2 |
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JPH09505887A |
An apparatus for preventing, detecting, and predicting the formation and propagation of cracks in structural members. The apparatus includes a plurality of strain sensors integrally formed with a patch to be fixed to an area on the surfa...
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JP2601517B2 |
A flutter exciter induces vibration either for actual aircraft flight testing or for wind tunnel model testing. The basic flutter exciter unit is a pair of rotatable concentric cylinders mounted on either a fixed vane or an aircraft wing...
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JP2554996B2 |
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JPH08233682A |
PURPOSE: To speedily measure stiffness of a loudspeaker vibrating member with high accuracy by simple operation. CONSTITUTION: A damper 14 as a sample is placed on a sample stationarily placing stand 15. A movable plate 25 is vertically ...
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JPH0827217B2 |
A deformation sensing device, and related method, for measuring overall deformation of a structural member subject to deformation by an actuator. The device includes a first sensor located in a region of influence of the actuator and a s...
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JPH085478A |
PURPOSE: To directly read the torsional resistance of a power transmission shaft system with an indicator by providing each gear train in a drive side provided in one end of a coil spring and a driven side provided in the other end, and ...
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JPH0752092B2 |
The invention relates to an arrangement for establishing curvatures of elongated elements having a longitudinal axis. The invention is characterised by a transmitter (4) of electromagnetic radiation, including lightwaves, mounted at leas...
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JPH07128182A |
PURPOSE: To provide a bridge characteristic inspection instrument which enables the forecasting of safety of a bridge automatically. CONSTITUTION: Vibration is applied to a bridge from outside and the vibration is detected by a vibration...
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JPH0743295B2 |
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JPH0713587B2 |
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JPH0712675A |
PURPOSE: To directly measure an elastic modulus of a completed product and to read a measured result in a static state by providing a support member connectible in an oscillatory return passage at a scale member approached to a moving tr...
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JPH0695056B2 |
PURPOSE:To prevent the damage of a force generating means during the load test, by providing the first and second strain gage pairs, which constitute the first and second bridge circuits, in the vicinity of the fixing surface of the forc...
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JPH0643708Y2 |
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JPH06288859A |
PURPOSE: To provide a tension pad which can charge a predetermined load with no peeling of an adhesive even under a high-temperature/high-humidity environment. CONSTITUTION: The following are provided: a sample 5 that is a structure; a b...
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JPH0670602B2 |
A test system for caissons, piles and the like provides an improved way of testing the load bearing capabilities of such inground foundation elements. The test method involves supporting an inertial mass e.g. of concrete rings (30) on th...
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JPH0632593Y2 |
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JPH0658306B2 |
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JPH0623677B2 |
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