INTERNATIONAL RESEARCH JOURNAL OF SCIENCE ENGINEERING AND TECHNOLOGY

( Online- ISSN 2454 -3195 ) New DOI : 10.32804/RJSET

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A REVIEW ON PERFOMANCE OF SHEARWALL & BRACINGS TO MEET EARTHQUAKE FORCES

    2 Author(s):  PROF. (DR.) J. BHATTACHARJEE, PANKAJ GOEL

Vol -  10, Issue- 2 ,         Page(s) : 58 - 70  (2020 ) DOI : https://doi.org/10.32804/RJSET

Abstract

During the Earthquake the building may get affected badly structurally and it needs rehabilitation or retrofitting as soon as possible. Columns, Beams and Slabs shall be retrofitted by certain methods. At some places, Shear Walls & bracings were also constructed, which were needed to support the structure and make the structure safe for further use. It was observed that the introduction of shear wall & brace members to retrofit a beam-column joint results in increment of load carrying capacity. Shear wall is a structural member designed to counteract the lateral forces acting on a structure. These walls are more important in seismically active zones when shear forces on the structure increases due to earthquakes. Steel braced frame is one of the structural systems used to resist earthquake loads in multistoried buildings. In the present study, the behaviour study of shear walls and braced system is done to retrofit a 15-storey structure by performing static and dynamic analysis on ETABS software. A comparative study was done based on displacement and modal mass participation ratio. It is found that brace and shear wall are more effective if provided along the periphery of structure and it is enough to raise them up by mid height of the building.

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