MECHANICAL PROPERTIES OF ECOLOGICAL REACTIVE POWDER CONCRETE UNDER UNIAXIAL COMPRESSION

Jiao Chujie; Sun Wei; Lai Jianzhong; Jiang Jinyang

doi:10.13204/j.gyjz200401017

Volume 34 Issue 1

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Jiao Chujie, Sun Wei, Lai Jianzhong, Jiang Jinyang. MECHANICAL PROPERTIES OF ECOLOGICAL REACTIVE POWDER CONCRETE UNDER UNIAXIAL COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(1): 60-62. doi: 10.13204/j.gyjz200401017

Citation:

Jiao Chujie, Sun Wei, Lai Jianzhong, Jiang Jinyang. MECHANICAL PROPERTIES OF ECOLOGICAL REACTIVE POWDER CONCRETE UNDER UNIAXIAL COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(1): 60-62. doi: 10.13204/j.gyjz200401017

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MECHANICAL PROPERTIES OF ECOLOGICAL REACTIVE POWDER CONCRETE UNDER UNIAXIAL COMPRESSION

doi: 10.13204/j.gyjz200401017

1.
Department of Materials and Engineering,Southeast University Nanjing 210096

Received Date: 2003-07-20
Publish Date: 2004-01-20

Abstract

Abstract

Based on the experiments, this paper systematically studied the quasi-static mechanical properties of ecological reactive powder concrete(ECO-RPC) with different fiber volume fractions( V f) under uniaxial compression with two strain rates.The experimental results showed that the adding of steel fiber into the ECO-RPC matrix led to not only further strengthening but also remarkably toughening and crack arresting of the composites, and the destruction pattern of ECO-RPC was changed from brittleness to pseudo plasticity.With the increase of the V f, the elastic modulus and Poisson's ratio of ECO-RPC were changed only a little.It was also found that the stress-strain curves of the same mix proportion of ECO-RPC with different strain rate were somewhat similar, with the strength and the peak strain increased but the toughness decreased when the strain rate increased, and the toughness of ECO-RPC matrix decreased more than those of steel fiber reinforced ECO-RPC.
- ecological reactive powder concrete( ECO- RPC),
- steel fiber,
- quasi-static uniaxial,
- compression strengthening,
- toughening,
- crack arresting,
- elastic modulus,
- Poisson' s ratio,

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References(15)

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