Articoli correlati a Direct Shear Test: Geotechnical Engineering, Shear...

Direct Shear Test: Geotechnical Engineering, Shear Strength (soil), Soil, Stress- strain Curve, ASTM, Strain (materials science), Geotechnical Investigation. - Brossura

 
9786130848576: Direct Shear Test: Geotechnical Engineering, Shear Strength (soil), Soil, Stress- strain Curve, ASTM, Strain (materials science), Geotechnical Investigation.

Sinossi

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A direct shear test is a laboratory test used by geotechnical engineers to find the shear strength parameters of soil. In the U.S., the standard defining how the test should be performed is ASTM D 3080. The test is performed on three or four specimens from a relatively undisturbed soil sample. A specimen is placed in a shear box which has two stacked rings to hold the sample; the contact between the two rings is at approximately the mid- height of the sample. A confining stress is applied vertically to the specimen, and the upper ring is pulled laterally until the sample fails, or through a specified strain. The load applied and the strain induced is recorded at frequent intervals to determine a stress-strain curve for the confining stress. Direct Shear tests can be performed under several conditions.

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