Paper Title:
Properties of Low-Density Lightweight Aggregate Concrete under Uniaxial Loading
  Abstract

The aim of this study is to investigate the influence of EPS content on failure mode, stress-strain relationship and elastic modulus of expanded polystyrene aggregate concrete (PAC) with density lower than 900 kg/m3 under uniaxial loading. The results show that PAC performs a good compressibility in the compression failure process. Apparent oblique crack appears in the case of uniaxial compression specimen damage; the lower the density is, the smaller the tilt angle of oblique cracks will be. Stress-strain curve of PAC with density larger than 422 kg/m3 maintains a straight line relationship on ascending segment but varies with the density on the descent segment. The lower the density is, the larger PAC residual relative stress will become. Elastic modulus of PAC is proportional to 5.85 times index of relative density.

  Info
Periodical
Chapter
Chapter 7: Building Materials
Edited by
Paul P. Lin and Chunliang Zhang
Pages
1638-1643
DOI
10.4028/www.scientific.net/AMM.105-107.1638
Citation
C. M. Cheng, D. G. Su, C. J. Jiao, J. He, "Properties of Low-Density Lightweight Aggregate Concrete under Uniaxial Loading", Applied Mechanics and Materials, Vols. 105-107, pp. 1638-1643, 2012
Online since
September 2011
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Price
$32.00
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