Performance Deterioration of High Strength Concrete under Mixed Erosion and Freeze-Thaw Cycling

Jian Zhang; Bo Diao; Xiao Ning Zheng; Yan Dong Li

doi:10.4028/www.scientific.net/AMR.163-167.1655

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 163-167Performance Deterioration of High Strength...

Performance Deterioration of High Strength Concrete under Mixed Erosion and Freeze-Thaw Cycling

Abstract:

The mechanical properties of high strength concrete(HSC) were experimentally investigated under mixed erosion and freeze-thaw cycling according to ASTM C666(Procedure B), the erosion solution was mixed by weight of 3% sodium chloride and 5% sodium sulfate. The mass loss, relative dynamic modulus of elasticity, compressive strength, elastic modulus and other relative data were measured. The results showed that with the increasing number of freeze-thaw cycles, the surface scaled more seriously; the mass loss, compressive strength and elastic modulus continued to decrease; the relative dynamic modulus of elasticity increased slightly in the first 225 freeze-thaw cycles, then decreased in the following 75 cycles; the corresponding strain to peak stress decreased with the increase of freeze-thaw cycles. After 200 cycles, the rate of deterioration of concrete accelerated obviously.

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Periodical:

Advanced Materials Research (Volumes 163-167)

Pages:

1655-1660

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.163-167.1655

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Online since:

December 2010

Authors:

Jian Zhang, Bo Diao, Xiao Ning Zheng, Yan Dong Li

Keywords:

Concrete, Freeze-Thaw Cycle, Mixed Erosion, Performance Deterioration, Scanning Electron Microscope (SEM)

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