Earthquakes and Structures

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Effect of containment reinforcement on the seismic response of box type laterite masonry structures - an analytical evaluation

  • Unnikrishnan, Sujatha (Department of Civil Engineering, National Institute of Technology Karnataka) ;
  • Narasimhan, Mattur C. (Department of Civil Engineering, National Institute of Technology Karnataka) ;
  • Venkataramana, Katta (Department of Civil Engineering, National Institute of Technology Karnataka)
  • Received : 2012.07.10
  • Accepted : 2013.03.30
  • Published : 2013.07.25
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Abstract

Laterite blocks are used for construction of masonry walls since ages in the South-western coastal areas of India. The south-west coastal areas of India lie in zone III of seismic zonation map of Indian code IS 1893-2002. In spite of the fact that laterite is the most favored masonry material in these regions of India, the structural performance of laterite masonry has not been systematically investigated. Again there are no previous studies addressing, in detail, the seismic performance of laterite masonry buildings. Now that these areas are becoming more and more important from point of view of trade and commerce, there is a need for a detailed research on the seismic response of laterite masonry structures located in these areas. The present paper reports the results of such a study of the seismic response of box-type laterite masonry structures. Time history analysis of these structures under El-Centro acceleration has been performed using commercial finite element software ANSYS. Effect of 'containment reinforcement' on the seismic response of box type laterite masonry structures has been evaluated.

Keywords

References

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