Design Ground Motion Prediction Update for Lahore and Surrounding Region of Pakistan

Abstract eng:
Being second largest city of Pakistan, Lahore has emerged as a major industrial and population centre and its growth is rapid. To mitigate the consequences of possible earthquake in future, a realistic seismic hazard assessment and design ground motion for new infrastructures are necessary. To meet this need for developers and designers in this region, design ground motion for Lahore and surrounding region is evaluated on the basis of seismic hazard assessment with updated data. The most significant seismogenic sources for this region are Western Himalaya and Sargodha High source zones. Peak Ground Acceleration (PGA), expected for city of Lahore with 10% probability of exceedance in 50 and 100 years, is estimated to be 0.1g and 0.12g. Design Ground Motion, for expected ground acceleration at 10%/50 years on the basis of updated data, is presented in the form of design response spectra and compatible time histories.

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