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Title: Free vibration studies of box type laterite masonry structures
Authors: Unnikrishnan, S.
Narasimhan, M.C.
Venkataramana, K.
Issue Date: 2012
Citation: Journal of Structural Engineering (India), 2012, Vol.39, 3, pp.332-346
Abstract: Box-type laterite masonry structures are widely seen in south-west coastal areas of India. Not many studies are available in the literature on the dynamic response of such structures. Free vibration analysis of box-type laterite masonry structures has been attempted in this study, as a preliminary to a detailed dynamic analysis. Finite element analysis has been conducted to And the natural frequencies and corresponding mode shapes of box-type laterite masonry buildings. Results of detailed parametric studies conducted to find the effect of various parameters like modulus of elasticity of laterite masonry, provision of a lintel band or a roof slab, openings in long walls and aspect ratio on the natural frequencies and their mode shapes of box-type laterite masonry buildings are presented and discussed in this paper.
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