Earlier conventional study was mainly based on linear analysis with fixed base and with regular building configuration. Very rarely hardly different types of soil, different building configurations, different base conditions, and nonlinear analysis were performed. It’s necessary to consider realistic conditions to study the changes in the behavior of the building. In this paper a 3D, ten-story building was considered and was subjected to linear analysis and nonlinear analysis. The analysis was performed on different types of soil with different building configurations for both fixed and flexible soil base. The building was modeled using SAP 2000 V19.1.2 software. Totally 12 models were considered and linear analysis was performed on different types of soil. Similarly performance-based nonlinear analysis was conducted on nine models. The soil properties and soil calculation were considered based on codes IS 1893(Part-1) 2002, FEMA 440 and ASCE41—13 Standards. The models were subjected to primary loads and seismic load combinations. The results were thoroughly studied and tabulated for displacement, base force, and time period. Comparison on different building configuration, type of soil, and different base conditions was also studied and tabulated to decide the best performance.

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Study on Linear and Nonlinear Analysis for Different Types of Soil with Different Building Configurations (Fixed and Flexible Base) as per ASCE41-13 Standards

  • S. Deepa,
  • S. V. Venkatesh

摘要

Earlier conventional study was mainly based on linear analysis with fixed base and with regular building configuration. Very rarely hardly different types of soil, different building configurations, different base conditions, and nonlinear analysis were performed. It’s necessary to consider realistic conditions to study the changes in the behavior of the building. In this paper a 3D, ten-story building was considered and was subjected to linear analysis and nonlinear analysis. The analysis was performed on different types of soil with different building configurations for both fixed and flexible soil base. The building was modeled using SAP 2000 V19.1.2 software. Totally 12 models were considered and linear analysis was performed on different types of soil. Similarly performance-based nonlinear analysis was conducted on nine models. The soil properties and soil calculation were considered based on codes IS 1893(Part-1) 2002, FEMA 440 and ASCE41—13 Standards. The models were subjected to primary loads and seismic load combinations. The results were thoroughly studied and tabulated for displacement, base force, and time period. Comparison on different building configuration, type of soil, and different base conditions was also studied and tabulated to decide the best performance.