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Evaluation of Shear Wave Velocity of Engineering Fill by Resonant Column and Torsional Shear Tests
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 Title & Authors
Evaluation of Shear Wave Velocity of Engineering Fill by Resonant Column and Torsional Shear Tests
Park, Jong-Bae; Sim, Young-Jong; Jung, Jong-Suk; Park, Yong-Boo;
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According to the seismic design criteria for structural buildings in Korea, the ground is classified into 5 types based on the average shear wave velocity measured from elastic wave tests on site and seismic load applied to the structure is estimated. However, elastic wave tests in site, however, on the engineering fill, cannot be performed during the construction period. Therefore, to evaluate shear wave velocity considering field conditions, resonant column (RC) and torsional shear (TS) tests are performed and compared with various elastic wave test results. As a result, if confining pressure for the tests using engineering fill are considered properly, we can obtain similar results comparing with those of elastic wave tests. In addition, by considering the effect of maximum shear modulus and confining pressure by RC/TS tests, n values shows typical values ranging from 0.434 to 0.561 so that utilization of RC/TS tests can be useful to infer shear modulus in field.
Resonant column test;Torsional shear test;Shear modulus;Damping Ratio;Engineering Fill;Confining pressure;
 Cited by
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