An Integration Of The Seismic Methods In Characterization Of An Unsaturated Granitic Residual Soil Site

Authors

  • Sri Atmaja P Rosyidi Universitas Muhammadiyah Yogyakarta
  • Khairul Anuar Mohd Nayan Universiti Kebangsaan Malaysia

DOI:

https://doi.org/10.18196/st.v9i1.894

Keywords:

seismic refraction, downhole method, S wave velocity, P wave velocity, dynamic shear modulus, SPT-N

Abstract

A comprehensive seismic survey encompassing the seismic refraction and the downhole method have been carried out in order to characterize a site of granitic residual soil.  The seismic refraction was found to be useful in the initial modeling of the subsurface and has managed to identify the water table, a bolder and the bedrock level satisfactorily.  From the downhole seismic, P-wave velocity was found to be responsived to lithology and the water table, while the S-wave velocity was found to be able to characterise the residual soil in terms of their weathering grades.  Correlations between the S-wave velocity (Vs) and dynamic shear modulus (Gseis)  were established with the SPT (N) and the static unload reload shear modulus (Gur)of the pressuremeter tests. The relationship of Vs = 2.89N + 167.84 and Gseis (MPa) = 2.39Gur + 36.03 were obtained in this study.  

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How to Cite

Rosyidi, S. A. P., & Nayan, K. A. M. (2016). An Integration Of The Seismic Methods In Characterization Of An Unsaturated Granitic Residual Soil Site. Semesta Teknika, 9(1), 94–102. https://doi.org/10.18196/st.v9i1.894

Issue

Vol. 9 No. 1 (2006): MEI 2006

Section

Articles

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