Earthquakes and Structures

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A drift-based design procedure for RC buildings considering the effect of shear wall-floor slabs junction

  • Kaushik, Snehal (Department of Civil Engineering, Girijananda Chowdhury Institute of Management and Technology) ;
  • Dasgupta, Kaustubh (Department of Civil Engineering, Indian Institute of Technology Guwahati)
  • Received : 2020.09.09
  • Accepted : 2021.08.11
  • Published : 2021.09.25
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Abstract

Reinforced Concrete (RC) structural wall is widely used in the lateral force resisting system for multistoried RC frame buildings located in earthquake-prone regions. In such buildings, the wall is connected to the RC slab at every floor level. The junction region of shear wall and floor slab constitutes an important link in the load path from slab to wall during earthquake shaking, thereby influencing the pattern of lateral load distribution in the shear wall. In case of multistoried building, the maximum elastic drift is estimated by carrying out linear static analysis for different load combinations as recommended by the Indian Earthquake Code IS 1893 (Part 1): 2016. However, during strong earthquake shaking, the inelastic lateral drift needs to be monitored to avoid undesirable levels of damage in structural members. The inelastic drift level of an isolated slender shear wall considering the behaviour of wall-slab junction has not been studied in the past. The present study aims to investigate the possible lateral drift limit of RC wall frame building considering the effect of floor slabs.

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References

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