EXPERIMENT OF PROPERTIES DETERIORATION OF CONCRETE IN MULTI-AGGRESSIVE AND FREEZE-THAW ENVIRONMENT

Li Yandong; Ye Yinghua; Zhang Jian; Zhou Yu

doi:10.13204/j.gyjz201106025

Volume 41 Issue 6

Dec. 2014

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Li Yandong, Ye Yinghua, Zhang Jian, Zhou Yu. EXPERIMENT OF PROPERTIES DETERIORATION OF CONCRETE IN MULTI-AGGRESSIVE AND FREEZE-THAW ENVIRONMENT[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 120-123. doi: 10.13204/j.gyjz201106025

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Li Yandong, Ye Yinghua, Zhang Jian, Zhou Yu. EXPERIMENT OF PROPERTIES DETERIORATION OF CONCRETE IN MULTI-AGGRESSIVE AND FREEZE-THAW ENVIRONMENT[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 120-123. doi: 10.13204/j.gyjz201106025

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EXPERIMENT OF PROPERTIES DETERIORATION OF CONCRETE IN MULTI-AGGRESSIVE AND FREEZE-THAW ENVIRONMENT

doi: 10.13204/j.gyjz201106025

1.
Department of Civil Engineering,Beihang University,Beijing 100191,China

Received Date: 2010-07-15
Publish Date: 2011-06-20

Abstract

Abstract

With mass fraction of 3% sodium chloride and 5% sodium sulfate mixed solution as aggressive medium, by adopting slow freeze-thaw method, freeze-thaw tests of freeze-thaw cycles of being 100, 200 and 300 were carried out on concrete specimens.The cubic compressive strength was 54.7MPa.The mass loss, compressive strength, relative dynamic modulus, strain and stress were tested.The results show that with the increase in freeze-thaw cycles, increased erosion of concrete specimen surface and the apparent quality and relative dynamic modulus did not change significantly when both of compressive strength and elastic modulus decreased a lot.Compressive strength and elastic modulus decreased by 26% and 35.1% after 300 freeze-thaw cycles.
- concrete,
- freeze-thaw cycle,
- multi-aggressive environment,
- properties deterioration

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References(8)

References

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