To read the full version of this content please select one of the options below:

Efficient analysis of shear wall-frame structural systems

Guiyun Xia (School of Civil Engineering, Changsha University of Science and Technology, Changsha, China and Department of Civil and Environmental Engineering, Rice University, Houston, TX, USA)
Wenya Shu (Department of Civil and Environmental Engineering, Rice University, Houston, TX, USA)
Ilinca Stanciulescu (Department of Civil and Environmental Engineering, Rice University, Houston, TX, USA)

Engineering Computations

ISSN: 0264-4401

Article publication date: 26 June 2019

Issue publication date: 15 August 2019

Abstract

Purpose

This paper aims to propose an efficient method to conduct the preliminary analyses of medium or high-rise wall-frame structural systems with vertically varying properties. To this end, a finite element is formulated to take the shear deformation of the shear wall and the constrained moment of the link beam.

Design/methodology/approach

The differential equation of the structure is derived from the total potential energy. Its homogenous solutions are functions of initial parameters (deflections and inner forces). To solve the structure with vertically non-uniform properties, the authors first use the classical Timoshenko beam element and then heuristically propose a finite element that uses the initial parameter solutions as shape functions and is easier to implement. A post-processing method to compute the shear force in the frame and shear wall is developed. Modal analysis using the consistent mass matrix is also incorporated. Numerical examples demonstrate the accuracy and mesh independency of the proposed element.

Findings

The shear deformation of the shear wall and the constrained moment of the link beam significantly influence the static response of the structure. Taking into account the shear deformation can eliminate the misleading result of zero-base shear force of the frame and give much better predictions of the system natural frequencies.

Originality/value

The proposed method achieves higher accuracy than the classical approach most often used. The finite element formulation derived from transformations of the initial parameter solutions is simple and has superior numerical performance. The post-processing method allows for a fast determination of the shear force distributions in the shear wall and frame.

Keywords

Acknowledgements

The first author gratefully acknowledges the support from the National Natural Science Foundation of China (Grant No.51278072) and China Scholarship Council Foundation (Grant No.201808430114).

Citation

Xia, G., Shu, W. and Stanciulescu, I. (2019), "Efficient analysis of shear wall-frame structural systems", Engineering Computations, Vol. 36 No. 6, pp. 2084-2110. https://doi.org/10.1108/EC-12-2018-0568

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited