Progressive Collapse of G+4, G+7, G+11 Building Subjected to Blast Load

Open Access

Year : 2021 | Volume : | Issue : 2 | Page : 26-34
By

    Pradeep Wamanrao Rankhamb

  1. A.B. Vawale

  1. Student, Department of Civil Engineering, Shreeyash College of Engineering and Management, Maharashtra, India
  2. Associate Professor, Department of Civil Engineering, Shreeyash College of Engineering and Management, Maharashtra, India

Abstract

This project work presents the progressive collapse analysis of low rise mid-rise and High rise RCC building for blast load. In structure due to the spread of local damage form one part to another part or proportionately big part of the structure gets collapsed in progressive collapse. Progressive collapse analysis is performed on low rise for G+4, medium rise for G+17 and high rise for G+22 building and its validation in accordance with General Services Administration 2013 Guidelines, to check Demand Capacity Ratio of a respective structure. The response of RCC framed structure under blast and seismic loading is checked in this work. Regular framed structures of G+4, G+17, G+22 is designed and analyzed using STAAD-PRO V8i SS5. Time history analysis method is used for progressive collapse analysis. Columns are removed to initiate the progressive collapse. for blast analysis time history load is calculated as per IS 4991.Natural frequency, storey drift, base shear, vertical displacement before and after column removal are calculated and Demand Capacity ratio is checked. The obtained DCR values shows that columns are safe for low rise (DCR is 1.5), Medium rise (DCR IS 1.6) and high rise building (DCR is1.9) DCR within the acceptance criteria.

Keywords: Progressive collapse, demand capacity ratio, column removal, blast load, STAAD pro

[This article belongs to International Journal of Structural Engineering and Analysis(ijsea)]

How to cite this article: Pradeep Wamanrao Rankhamb, A.B. Vawale Progressive Collapse of G+4, G+7, G+11 Building Subjected to Blast Load ijsea 2021; 7:26-34
How to cite this URL: Pradeep Wamanrao Rankhamb, A.B. Vawale Progressive Collapse of G+4, G+7, G+11 Building Subjected to Blast Load ijsea 2021 {cited 2021 Dec 12};7:26-34. Available from: https://journals.stmjournals.com/ijsea/article=2021/view=90240

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References

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Regular Issue Open Access Article
Volume 7
Issue 2
Received November 2, 2021
Accepted December 7, 2021
Published December 12, 2021