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Title: Analysis of Reinforced Concrete Shear Walls

Author(s): A. Sabouni and P. Gergely

Publication: Symposium Paper

Volume: 98


Appears on pages(s): 59-94

Keywords: finite element method; frames; infilled frames; models; reinforced concrete; shearwalls; structural analysis; Structural Research

DOI: 10.14359/2826

Date: 3/3/1987

A finite element procedure is presented for the analysis of reinforced concrete shearwalls. The wall is idealized as a two-dimensional structure, and the global behavior of the wall under static loading conditions is emphasized. A combination of a new family of higher-order quadrilateral elements and beam elements is employed in the finite element discretization of the wall. Constitutive models of material behavior are based on the nonlinear elasticity. The main material nonlinear effects accounted for in the analysis are the tensile cracking, the biaxial compressive response of concrete, and the yielding of steel reinforcement. A smeared approach is used in the representation of concrete cracking and steel bars. Simplified uniaxial and biaxial material models for reinforced concrete are developed and presented in detail. The incremental-iterative nonlinear solution techniques employ both constant and variable stiffness with the option of selective updating of the stiffness matrix in the load increment. Numerical examples are presented and compared with other existing solutions.


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