期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 116, 期 -, 页码 273-280出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2016.04.097
关键词
Corrosion layer; Corrosion product-filled paste; Cracking model; Steel reinforced concrete
资金
- National Natural Science Foundation of China [51278460]
When steel corrosion happens in concrete, the corrosion products migrate to the pores at the steel/concrete interface. The relationship between the thickness of the corrosion product-filled paste (CP) and that of the corrosion layer (CL) was analysed and established. This relationship can describe the phenomenon that the corrosion products are filling in the concrete pores and accumulating at the steel/concrete interface simultaneously. Based on this relationship, a corrosion-induced concrete surface cracking model which can quantitatively consider corrosion product-filled paste at the concrete/steel interface is proposed. This model is verified and in reasonable agreement with the experimental results. The possibility of the application of the proposed corrosion-induced cracking model to the non-uniform corrosion case is also discussed. (c) 2016 Elsevier Ltd. All rights reserved.
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