Abstract
West Bandung District is one of the government areas that grow rapidly in West Java. Here several infrastructures such as Highspeed Rail Development, Modern Residences, Tourist Attractions Area, and International Retail Company supply major contributions to economic development. Rapid construction in Bandung Basin caused the government to pay attention to risk factors, especially building structures. One of the natural hazards that must be considered is the presence of an active Lembang fault. Therefore, there is a need for a study that takes into account how the earthquake waves damaged the buildings. In this study, an analysis of the soil dynamics due to earthquake ground motion from bedrock was carried out. The analysis is carried out using the wave propagation method, which is a non-linear analysis of the soil response. The research was conducted at 12 points locations in West Bandung District. As the result, the location with the highest PGA surface value is in the Mekar Jaya area, while the lowest risk is found in the Cililin area. Furthermore, this study provides scientific information on seismic hazards to support government disaster risk reduction programs.
Highlights
West Bandung District grows rapidly in a few decades
12 CPTu locations are distributed among several subdistricts in West Bandung District
The Mekar Jaya area is located on Kosambi formation where this formation is composed of sedimentary rock
Summary
West Bandung District grows rapidly in a few decades. As Greater Bandung is in the development stage towards a metropolitan city [1], several developments, both infrastructure and economic development, are being accelerated. The government gives full attention to development both physically and economically. One of the development aspects that need to be considered is the risk aspect due to natural hazards. Bandung Basin is surrounded by several active fault sources such as the Lembang and Cimandiri faults [2, 4]. The source of the subduction earthquake affects the presence of people in the Bandung Basin
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