期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 106, 期 -, 页码 650-658出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2015.12.151
关键词
Concrete; Drying-wetting cycles; Combined attack; Chloride; Sulfate; Durability
资金
- Chinese National Key Basic Research and Development Plans (973 Plan) [2015CB6551002]
- National Natural Science Foundation of China [51278096, 51308343]
In this research, combined solution of chloride and sulfate was investigated for three different mixtures, including fly ash and slag. Mass change, dynamic modulus of elasticity, chloride penetration depths were tested in the different solution. Results indicated that OPC specimens showed bigger deterioration compared specimens with fly ash and slag exposed to combined solution attack under drying-wetting cycles. Additional, higher sulfate contend in combined solution retarded damage for OPC under drying-wetting cycle. Concerning the microstructure and deformation of samples, XRD-analyses is in accordance with TG/DSC-analyses, moreover, DSC/TG could quantified the results from XRD-analyses. (C) 2015 Published by Elsevier Ltd.
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