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Evaluation of ultimate capacity of semi-supported steel shear walls
Abstract In this paper, the semi-supported steel shear wall (SSSW) that has been proposed as an alternative to the traditional type of steel shear wall is introduced. The problem of calculating the ultimate capacity of shear walls (with emphasis on its semi-supported type) is addressed. A new method for evaluating the ultimate shear capacity of given SSSW especially when it undergoes bending moments is proposed. The method determines the maximum shear capacity based on the lower bound theory of plastic design. The obtained results of this approach are compared to those of the finite element method (FEM). The comparison shows that the proposed method produces similar results to finite element analysis; meanwhile it is much faster and requires less computation.
Research highlights ► This paper introduces the semi-supported steel shear wall system. ► It uses the lower bound theory to evaluate the ultimate capacity of the shear wall. ► The results are very close to nonlinear pushover finite element (FEM) analysis. ► This method considers the overturning moment and is more efficient than FEM. ► Unlike the FEM, the size of the shear wall has no role in evaluating the shear capacity.
Evaluation of ultimate capacity of semi-supported steel shear walls
Abstract In this paper, the semi-supported steel shear wall (SSSW) that has been proposed as an alternative to the traditional type of steel shear wall is introduced. The problem of calculating the ultimate capacity of shear walls (with emphasis on its semi-supported type) is addressed. A new method for evaluating the ultimate shear capacity of given SSSW especially when it undergoes bending moments is proposed. The method determines the maximum shear capacity based on the lower bound theory of plastic design. The obtained results of this approach are compared to those of the finite element method (FEM). The comparison shows that the proposed method produces similar results to finite element analysis; meanwhile it is much faster and requires less computation.
Research highlights ► This paper introduces the semi-supported steel shear wall system. ► It uses the lower bound theory to evaluate the ultimate capacity of the shear wall. ► The results are very close to nonlinear pushover finite element (FEM) analysis. ► This method considers the overturning moment and is more efficient than FEM. ► Unlike the FEM, the size of the shear wall has no role in evaluating the shear capacity.
Evaluation of ultimate capacity of semi-supported steel shear walls
Jahanpour, A. (author) / Moharrami, H. (author) / Aghakoochak, A. (author)
Journal of Constructional Steel Research ; 67 ; 1022-1030
2011-01-10
9 pages
Article (Journal)
Electronic Resource
English
Evaluation of ultimate capacity of semi-supported steel shear walls
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