THE SPLITTING TENSILE BEHAVIOR OF THE BONDING INTERFACE BETWEEN FRESH STEEL FIBER CONCRETE AND OLD CONCRETE UNDER FREEZE-THAW

Gao Danying; Feng Hu

doi:10.13204/j.gyjz200803022

Volume 38 Issue 3

Dec. 2014

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Gao Danying, Feng Hu. THE SPLITTING TENSILE BEHAVIOR OF THE BONDING INTERFACE BETWEEN FRESH STEEL FIBER CONCRETE AND OLD CONCRETE UNDER FREEZE-THAW[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(3): 80-83. doi: 10.13204/j.gyjz200803022

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Gao Danying, Feng Hu. THE SPLITTING TENSILE BEHAVIOR OF THE BONDING INTERFACE BETWEEN FRESH STEEL FIBER CONCRETE AND OLD CONCRETE UNDER FREEZE-THAW[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(3): 80-83. doi: 10.13204/j.gyjz200803022

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THE SPLITTING TENSILE BEHAVIOR OF THE BONDING INTERFACE BETWEEN FRESH STEEL FIBER CONCRETE AND OLD CONCRETE UNDER FREEZE-THAW

doi: 10.13204/j.gyjz200803022

Gao Danying¹,
Feng Hu²

1.
1. College of Environment and Water Conservancy,Zhengzhou University,Zhengzhou 450002;
2.
2. College of Civil Engineering,Tongji University,Shanghai 200092

Received Date: 2007-03-01
Publish Date: 2008-03-20

Abstract

Abstract

By the splitting tensile strength experiments on the specimens with the dimension of 100mm @ 100mm @ 100mm, it is explored that the influence of the number of freeze-thaw cycle and steel fiber volume fraction upon the splitting tensile behavior of the bonding interface between fresh steel fiber concrete and old concrete through quickly freeze-thaw testing. The result demonstrates that the splitting tensile strength of the bonding specimen declines with the escalating of the freeze-thaw cycle. s number and the strength aggrandizes a certain extent with the increasing of the steel fiber volume fraction. At last, the calculating formula of the splitting tensile strength of the bonding interface is established, which considers the influence of old concrete. s splitting tensile strength, number of freeze-thaw cycle and steel fiber volume fraction.
- freeze-thaw cycle,
- steel fiber,
- bonding of fresh and old concrete,
- steel fiber volume fraction,
- splitting tensile strength

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References(11)

References

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