DYNAMIC MECHANICAL PROPERTIES OF ECOLOGICAL REACTIVE POWDER CONCRETE

Lai Jianzhong; Sun Wei; Jiao Chujie; Lin Wei; Jin Zuquan

doi:10.13204/j.gyjz200412018

Volume 34 Issue 12

Dec. 2014

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Lai Jianzhong, Sun Wei, Jiao Chujie, Lin Wei, Jin Zuquan. DYNAMIC MECHANICAL PROPERTIES OF ECOLOGICAL REACTIVE POWDER CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(12): 63-66. doi: 10.13204/j.gyjz200412018

Citation:

Lai Jianzhong, Sun Wei, Jiao Chujie, Lin Wei, Jin Zuquan. DYNAMIC MECHANICAL PROPERTIES OF ECOLOGICAL REACTIVE POWDER CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(12): 63-66. doi: 10.13204/j.gyjz200412018

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DYNAMIC MECHANICAL PROPERTIES OF ECOLOGICAL REACTIVE POWDER CONCRETE

doi: 10.13204/j.gyjz200412018

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

Received Date: 2004-03-22
Publish Date: 2004-12-20

Abstract

Abstract

Two types of ecological reactive powder concretes (ECO-RPC) were prepared by substitution of ultra-fine industrial was te for 50%～60% cement by weight and replacement of ground fine quartz sand with natural fine sand. Through Hopkinson bar experiment the effect of strain rate, s teel fiber volume fraction and matrix composition on the dynamic mechanical prop erties and fracture pattern of ECO-RPC were researched.The results showed that ECO-RPC has strain rate strengthen effect. Peak stress and strain at peak stres s increase with the increase of strain rate.The dynamic mechanical prope rties of fiber reinforced ECO-RPC are superior to those of ECO-RPC matrix and ECO-RPC with fiber shows great toughness and ductility during the course of fra cture.The composition effects of ultra-fine industrial waste give benefit for t he matrix micro-structure and strengthen the bond between fiber and matrix so a s to make fracture pattern change from brittleness to toughness.
- ecological reactive powder concrete,
- ultra-fine industrial waste,
- steel fiber,
- dynamic mechanical properties strain rate,

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References(9)

References

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