THE SIMPLE METHOD OF SHEAR WAVE VELOCITY PROFILE FROM EXPLOSION SOURCE IN SURIN, THAILAND

Authors

  • Pithan Pairojn

Keywords:

Simple method, Shear wave velocity, Explosives, Vibration

Abstract

This study aimed to propose a correlation of shear wave velocity (Vs) derived from explosives using the Simple Method (SM). The SM is a technique for surveying shear wave velocity and is used to analyze vibration records at the surface through an established dispersion curve. The seismic wave was generated below ground surface. The shear wave emanates from the source is detected by a geophone at the ground surface and measure traveling time of shear wave for calculated shear wave velocity to estimate soil layer. The tested site was in Surin Province, northern Thailand (large-scale underground petroleum seismic survey area). In the present study, the SM technique was adopted to evaluate the shear wave velocity profile from underground explosives. The results showed that the SM agreed with those obtained from the Downhole Seismic Test (DH). The DH is geophysical surveys for determining shear wave velocity. Required parameters were then obtained through calibration with the results from the DH test. Subsequently, the shear wave velocity profiles from SM using explosives in the test area were then obtained. The SM has been used for vibration and shear wave velocity analysis of soil.

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Published

2019-06-29

How to Cite

Pithan Pairojn. (2019). THE SIMPLE METHOD OF SHEAR WAVE VELOCITY PROFILE FROM EXPLOSION SOURCE IN SURIN, THAILAND. GEOMATE Journal, 16(58), 184–189. Retrieved from https://geomatejournal.com/geomate/article/view/2744

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