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Rehabilitation of a high‐rise coupled shear wall system in a 56‐storey residential reinforced concrete building (Tehran Tower), based on nonlinear dynamic time‐history analyses
Author(s) -
Esmaili Omid,
Epackachi Siamak,
Mirghaderi Rasoul,
Behbahani Ali Asghar Taheri,
Vahdani Shahram
Publication year - 2011
Publication title -
the structural design of tall and special buildings
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.895
H-Index - 43
eISSN - 1541-7808
pISSN - 1541-7794
DOI - 10.1002/tal.580
Subject(s) - tower , structural engineering , nonlinear system , plan (archaeology) , shear wall , section (typography) , reinforced concrete , coupling (piping) , engineering , high rise , rehabilitation , civil engineering , computer science , geology , mechanical engineering , physics , paleontology , quantum mechanics , neuroscience , biology , operating system
SUMMARY Tehran Tower is a 56‐storey reinforced concrete tall building consisting of three wings with identical plan dimensions each approximately 48 m by 22 m. The three wings are at 120° from each other and have no expansions/seismic joints. This paper contains the consideration of the rehabilitation of the Tehran Tower based on the findings of an exhaustive investigation of the nonlinear performance evaluation efforts. It has tried to show the procedure followed, methodologies utilized and the results obtained for life‐safety (LS) and collapse‐prevention (CP) evaluations of the building. Moreover, the weak zones of the structure due to analysis results are introduced and appropriate retrofit technique for satisfaction related to LS and CP criteria is presented. In this project, to improve the local behaviour of coupling panels that are regularly located in spine walls, and definitely have been recognized as the most vulnerable structural elements, making use of steel plates that are connected to concrete members by chemical anchors has been used as the best rehabilitation method for this case. Therefore, in the final section, the professional practical method utilized to perform the aforementioned project is explained. Copyright © 2010 John Wiley & Sons, Ltd.