Test device and method for torsional strength and shear strain of sand particle nano gel cementing area

The invention discloses a test device and method for torsional strength and shear strain of a sand particle nano gel cementing area. The test device comprises a torque applying device, a cementing area forming device, a particle image speed-measuring device and a data acquisition and control system....

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Hauptverfasser: ZHANG LIYOU, WANG XIN, CHENG ZEHAI, DENG CHENYAN, JIN WEIFENG
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Sprache:chi ; eng
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creator ZHANG LIYOU
WANG XIN
CHENG ZEHAI
DENG CHENYAN
JIN WEIFENG
description The invention discloses a test device and method for torsional strength and shear strain of a sand particle nano gel cementing area. The test device comprises a torque applying device, a cementing area forming device, a particle image speed-measuring device and a data acquisition and control system. The torque applying device comprises a rotating shaft lever, a fine wire, a stress meter, a force applying rod and a linear ultrasonic motor; the cementing area forming device comprises a silica sol water tank containing a colored particle, a spherical particle, a particle mounting sleeve rod, a round section organic glass sleeve and a quartz glass plate; the particle image speed-measuring device comprises a digital camera and a light source; the data acquisition and control system is respectively connected with a load applying device and the particle image speed-measuring device. The invention designs the cementing area forming device applicable to shear strain non-contact measurement on a torsion section; by usi
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
title Test device and method for torsional strength and shear strain of sand particle nano gel cementing area
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