Journal of Structural and Construction Engineering

Journal of Structural and Construction Engineering

Effect of soil block thickness modeling on soil-structure interaction in dynamic responses of 15-storey high-rise buildings

Document Type : Original Article

Authors
GholamReza Havaei 1
seyyed majid izadparast 2
1 Assistant professor, Department of Civil and Environment Engineering, AmirKabir University of Technology, Tehran, Iran
2 M.Sc Student, Department of Civil and Environment Engineering, AmirKabir University of Technology, Tehran, Iran
10.22065/jsce.2021.255589.2282
Abstract
Due to population growth in large cities and the growth of cities vertically, in order to facilitate serviceability and provide low-cost and easier access to the needed resources, engineers are forced to build high-rise buildings on less desirable soils. Given the seismic conditions of our dear country Iran and the variety in thickness of soil in different places, it is important to know the structure suffers the most damage under which conditions. In this study, a nonlinear three-dimensional model of soil-structure interaction in tall buildings with finite element method by Abacus software in the time domain is investigated to evaluate the effect of soil-structure interaction. the dynamic implicit used to calculate the problem. Thickness effect with considering soil-structure interaction for 4 different thicknesses by Drucker-Prager modeling method which also considers soil hardening properties under the effect of Lomaprita earthquake which is considered as an earthquake with low frequency content ( Earthquakes with low frequency content have more destructive effects), has been calculated. infinite boundaries used to absorb the reflect of waves. the boundaries The research results show that changes in thickness have significant effects on the analysis results. In this study, for each model, lateral displacement , acceleration, subsidence, acceleration spectrum and stress contours are investigated.
Keywords
Soil- structure interaction
Abacus
finite element method
soft soil
thickness effect

Subjects

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Journal of Structural and Construction Engineering
Volume 8, Issue 10 - Serial Number 50
January 2022
Pages 301-316

  • Receive Date 03 November 2020
  • Revise Date 08 December 2021
  • Accept Date 13 December 2021