Application of Soil Structure Interaction on Building with Basement using Nonlinear Soil Springs

Authors

  • Anastasia Jesica Structural Engineer, Benjamin Gideon and Associates Consulting Engineers, Surabaya
  • Pamuda Pudjisuryadi Department of Civil Engineering, Petra Christian University, Surabaya
  • Dario Rosidi Sr. Principal Geotechnical Engineer, Jacobs Engineering Group, Oakland, California

:

https://doi.org/10.9744/ced.25.1.20-28

Keywords:

soil structure interaction, nonlinier soil spring, building with basement, dynamic time response analysis, base shear, inter-story drift

Abstract

In a typical building design, the interaction between building and surrounding soils is often ignored. Since soil is deformable and has limited capacity to resist loads, this interaction, called soil-structure interaction (SSI), could alter building responses, especially during earthquake loadings for buildings with significant basement depths. In this study, a 10-story reinforced concrete building with 3-level basement was used to evaluate the effects of SSI on building during earthquakes. Dynamic time response analyses were performed using earthquake time histories scaled to a design response spectrum for a Surabaya, Indonesia, location. Soil responses during earthquakes were modeled using nonlinear hysteresis normal and elastic-perfectly plastic frictional soil springs, developed using the hardening soil with small strain stiffness model. Depth-varying ground motions were also applied along the basement depth. The results show inconclusive SSI effects, where some of the time histories produce greater base shears and inter-story drifts when SSI is considered, while others show the opposite results.

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Published

2023-04-19

How to Cite

Jesica, A., Pudjisuryadi, P., & Rosidi, D. (2023). Application of Soil Structure Interaction on Building with Basement using Nonlinear Soil Springs. Civil Engineering Dimension, 25(1), 20-28. https://doi.org/10.9744/ced.25.1.20-28

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