Seismic Ground Response Analysis of a Tall-Building Site in Ahmedabad

The local soil conditions have a great influence on ground response during an earthquake. For the Ahmedabad region, In 2001 Bhuj earthquake multi-storey buildings destruction has demonstrated that the topography, nature of the bedrock, and properties and geometry of the depositional soils are the primary factors that influence local modifications to the underlying motion. Due to the increasing population in Ahmedabad, we need to step forward for high-rise buildings. The estimation of amplification in ground response due to local soil sites is a complex problem for the designers and the problem is more important for mega cities like Ahmedabad. In the present study, the ground response analysis is carried out by performing a one-dimensional linear ground response analysis for a residential high-rise building having a height of 133 m located at Silaj, Ahmedabad by using DEEPSOIL V7.0 Software. In the analysis, shear wave velocity and soil properties were used for the input motion, the 2001 Bhuj earthquake and the Chamoli earthquake is considered. As a result, it can be found that the higher peak ground acceleration value for a varying soil layer, which will help the geotechnical designers for similar sites in the absence of site-specific data.