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Behavior Of Shear Wall With Base Opening

Last Update2012-04-04
TitleBehavior Of Shear Wall With Base Opening
Author(s)Author #1
Author title:
Name: Muhammad Masood
Org: Sub-Divisional Engineer, Design Circle´┐Ż1, Bangladesh Water Development Board (BWDB), 72, Green Road, Dhaka-1215, Bangladesh

Author #2
Author title:
Name: Ishtiaque Ahmed
Org: Professor, Department of Civil Engineering, Bangladesh University of Engineering and Technology (BUET), Dhaka-1000, Bangladesh

Author #3
Author title:
Name: Majid Assas
Org: Assistant Professor, Department of Civil Engineering, Umm Al-Qura University, Makkah, Saudi Arabia.

Other Author(s)
Contact AuthorAuthor #1
Alt Email:
KeywordsConcrete, Shear wall, Base opening, ANSYS, Finite element
AbstractProvision of parking may require an opening to be kept at the base of a shear wall. In this paper, an attempt is made to establish the range of base opening that may be allowed without significantly affecting the strength and stiffness. The behavior of planar and box shear wall with varying percentages of base opening has been studied and compared to that of a shear wall without opening. Finite element package ANSYS has been used for modeling. A set of non-dimensional graphs has been prepared featuring important parameters which will guide the designer to choose an appropriate opening width. It is observed that the rate of decrease of stiffnessis is relatively low for up to 60% base opening. Beyond this limit, strength and stiffness degradations are excessive. Based on the findings of the study, it has been recommended that in high-rise constructions the provision of a base opening up to 50% of the length of the wall may be considered as a feasible option
Paperview paper 2345.pdf (318KB)