Abstract

• The research area, Chanayethazan Township is a main population center in Mandalay District and lies in near the seismically active Sagaing fault. Nowadays, geotechnical and geophysical techniques are widely used for evaluating dynamic soil properties and seismic hazard analysis. The dynamic loading of soil in the present area are evaluated by shear wave velocity (Vs) using geotechnical (mainly SPT) and geophysical (mainly microtremor HVSR) methods. At some places obtaining only SPT data or only Vs value, we are difficult to predict the true correlation. The purpose of this paper is to establish the new formulas for the shear wave velocity (Vs) and SPT-N values relationships of the various soil types. Fifteen data pairs were employed to assess relation between Vs and SPT-N values. Although most correlations of other areas are comparable and in good trend, these correlations for the present area are directly disallowed because of different practice of SPT and shear wave investigation works. Thus, present research based on previous literature and observed data was attempted to establish new correlations between Vs and SPT-N for various soil types of the study area. The proposed data will be aid for seismic hazard analysis and engineering purposes of Chanayethazan Township.