The role of dynamic compaction method in mitigating the seismic vulnerability of liquefiable sites using fragility functions: A case study

The soil layers in the site of Pars Service Port (PSP) have significant risks of liquefaction due to seismic activity. In order to mitigate the liquefaction hazards, Dynamic Compaction (DC) method as a cost-effective solution has been employed. Hence, by comparing a probabilistic assessment of liquefaction hazards before and after DC at PSP using fragility functions, the effectiveness of DC in the reduction of liquefaction hazards can be quantified. In fact, the fragility analysis and assessment for liquefiable sites have not been paid enough attention to. This study focuses on the liquefaction possibility of PSP at the seismic levels through liquefaction risk maps before and after DC. Risk maps play a crucial role in determining land use and reducing the vulnerability of structures and sites. Examining the liquefaction risk maps of PSP enables proactive measures to prevent the construction of high-importance structures in areas with a moderate, high, or severe exceedance probability of liquefaction. This approach helps to avoid potential risks and ensures that construction projects are carried out in safer locations.