RESEARCH ARTICLE


Seismic Reinforcement of Existing Masonry Structure On Conceptual Design



Hongwei Qi1, *, Xiaoning Huang2
1 Department of Civil Engineering, North China Institute of Science and Technology, Beijing, 101601, China
2 School of Mechanics & Civil Engineering; China University of Mining & Technology, 100083, China


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Creative Commons License
© Qi and Huang ;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Civil Engineering, North China Institute of Science and Technology, Beijing 101601, China. Tel: +86-010-61594887(office), +86-13930645986 (Mobile); Fax: +86-010-61594887; E-mails: qihongwei@ncist.edu.cn, hwhao2008@126.com


Abstract

In this paper, earthquake-resistance behaviors of existing masonry structures are evaluated based on a certain masonry building. The existing masonry structure is evaluated in its defects of primary design and construction measurements, seismic bearing capacity and durability. Based on results of evaluation, the seismic reinforcement design is introduced for improving earthquake-resistance behaviors of the whole building and its weak positions. In the seismic reinforcement concept design, the ductility of the masonry structure is improved in bearing seismic loading and plastic deformation. Further more, the masonry building is reinforced for avoiding collapse due to the weak positions of its bottom and top layers, stair halls, short walls and wall corners. Evaluation results and the corresponding seismic reinforcement design are significant for safety of both existing and newly designed masonry structures in earth-quake areas.

Keywords: Seismic reinforcement, masonry structure, conceptual design.