Journal
APPLIED CLAY SCIENCE
Volume 79, Issue -, Pages 36-40Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2013.02.020
Keywords
Slag; High performance concrete; Gas permeability; Carbonation depth
Funding
- National Natural Science Foundation of China [51178259]
- China Postdoctoral Science Foundation [2012M521364]
- Project of Shandong Province Higher Educational Science and Technology Program [J11LE10]
- Key Project of Qingdao Economic and Technical Development Zone Science and Technology Program [2012-2-49]
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The carbonization resistance ability of concrete is a very important index of durability. Based on the standard specimen test, the relationship between the gas permeability of slag high performance concrete and the carbonation depth is studied, and the law of influence on carbonation depth of slag high performance concrete by the gas permeability is concluded. The carbonation speed coefficient decided by gas permeability and the influence coefficient of the actual environment condition are introduced on the basis of carbonization theoretical model, and the prediction model of carbonation depth of slag high performance concrete is proposed. It proves that the model has a good accuracy through the experiment. (C) 2013 Elsevier B.V. All rights reserved.
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