Effects of Steam-cured Parameters on Sulfate Resistance Performance of High Strength Concrete

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Title: Effects of Steam-cured Parameters on Sulfate Resistance Performance of High Strength Concrete

Author(s): Yaogang Tian, etc.

Publication: China Concrete and Cement Products

Volume:

Issue: No.3 2010(Total 173)

Appears on pages(s): 1-4

Keywords: Steam-cured parameters, High strength concrete, Sulfate erosion, Pore structure analysis

Date: 6/20/2010

Abstract:
According to the evaluation indexes of concrete compressive strength loss in sulfate erosion environment and MIP(Mercury Intrusion Pressure) testing technology,the influence of rest period,heating rate,thermostatic period and temperature on the sulfate resis-tance of steam-cured high strength concrete is studied.The results indicate that the sulfate resistance performance of steam-cured high strength concrete is worse compared with that cured in standard conditions;the sulfate resistance of steam-cured high strength concrete is obviously improved with a longer rest period,but it is undermined with a rapid heating rate,a longer thermostatic period or a higher ther-mostatic temperature.
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