Study on the Dynamics Characteristics of Elastic Wave of Weathered Zone in Longmen Grottoes

Abstract:

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Based on the test results, the wave velocity and the attenuation rule of elastic wave of weathered zone in Longmen Grottoes are studied. The wave velocity decreases with the increasing of the attenuation coefficient in a certain range. When wave velocity decreases to a certain value, there is not a relationship between wave velocity and attenuation coefficient. The attenuation coefficient thresholds of P-wave 0.01and S-wave 0.1 separate good rockmass quality from poor rockmass quality. The test results show that the elastic wave velocities of the surrounding rocks are generally high, which indicates that the rockmass skeleton is solid. But the rockmass anisotropy is obvious, which indicates that the structure planes are more developed. The results of the study are important for the protection of historical relics.

Info:

Periodical:

Edited by:

Paul P. Lin and Chunliang Zhang

Pages:

1509-1512

DOI:

10.4028/www.scientific.net/AMM.105-107.1509

Citation:

W. X. Ding and H. Y. Wang, "Study on the Dynamics Characteristics of Elastic Wave of Weathered Zone in Longmen Grottoes", Applied Mechanics and Materials, Vols. 105-107, pp. 1509-1512, 2012

Online since:

September 2011

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$35.00

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