Liquefaction Susceptibility of Kamara Sand-A Case Study

Abstract

In the past, studies have been carried out to find the liquefaction potential of the kamra soils. These studies were mainly mathematical and based on laboratory and field tests such as CPT, SPT and cyclic triaxial test. Liquefaction studies are carried out in three steps i.e. 1. Evaluation of the liquefaction potential. 2. Would liquefaction be triggered or not? 3. If triggered, what would be the extent of damage? The past studies were pertinent to the first step. Lab and field tests were used to find the liquefaction potential of kamra soil. In this study, Geo Studio Quake/W is used to evaluate the results of the past research studies on Kamra soil. The liquefaction potential is evaluated using Quake/W and furthermore the possibility that liquefaction will be triggered is carried out. This study is done in three phases. In the first phase of study, the precompacted soil profile is analyzed followed by the analysis of the PostCompaction soil strata and the improvement due to the dynamic compaction is evaluated. The 3rd phase comprises of the parametric study in which water table is varied and its effect on liquefaction is observed. In the future, it is recommended that a further detailed study be carried out and the study be taken further to evaluate the extent of the damage that would occur in kamra due to the triggering of liquefaction.In the past, studies have been carried out to find the liquefaction potential of the kamra soils. These studies were mainly mathematical and based on laboratory and field tests such as CPT, SPT and cyclic triaxial test. Liquefaction studies are carried out in three steps i.e. 1. Evaluation of the liquefaction potential. 2. Would liquefaction be triggered or not? 3. If triggered, what would be the extent of damage? The past studies were pertinent to the first step. Lab and field tests were used to find the liquefaction potential of kamra soil. In this study, Geo Studio Quake/W is used to evaluate the results of the past research studies on Kamra soil. The liquefaction potential is evaluated using Quake/W and furthermore the possibility that liquefaction will be triggered is carried out. This study is done in three phases. In the first phase of study, the precompacted soil profile is analyzed followed by the analysis of the PostCompaction soil strata and the improvement due to the dynamic compaction is evaluated. The 3rd phase comprises of the parametric study in which water table is varied and its effect on liquefaction is observed. In the future, it is recommended that a further detailed study be carried out and the study be taken further to evaluate the extent of the damage that would occur in kamra due to the triggering of liquefaction.