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KSCE Journal of Civil Engineering

, Volume 23, Issue 5, pp 2158–2174 | Cite as

Lateral Bearing Capacity and Stiffness Calculation Method of SRC-RC Columns

  • He Zhang
  • Pingzhou Cao
  • Kai WuEmail author
  • Chao Xu
  • Lijian Ren
Structural Engineering
  • 40 Downloads

Abstract

An SRC-RC column is a vertical hybrid of a steel reinforced concrete (SRC) column and a reinforced concrete (RC) column. To propose the capacity and stiffness calculation method of SRC-RC columns, 768 column models have been simulated using fiber FEM (finite element method) with lateral static loading. These models have different parameters, including: Concrete strength, steel strength, steel sections, steel length and column concrete ratio. Based on simulation results and using a linear regression method, the equations of the secant stiffness and bearing capacity of the SRC-RC hybrid columns are calculated, proposed and verified using the residual analyzing method, ensuring that these calculate equations are accurate.

Keywords

steel reinforced concrete hybrid columns fiber element method bearing capacity ductility multiple linear regressions residual analysis 

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Copyright information

© Korean Society of Civil Engineers 2019

Authors and Affiliations

  • He Zhang
    • 1
  • Pingzhou Cao
    • 1
  • Kai Wu
    • 1
    Email author
  • Chao Xu
    • 1
  • Lijian Ren
    • 1
  1. 1.College of Civil and Transportation EngineeringHohai UniversityNanjingChina

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