期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 34, 期 -, 页码 575-583出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2012.02.088
关键词
Self-consolidating lightweight aggregate concrete; Elevated temperatures; Mechanical properties; Microstructure
资金
- Ege University [2009MUH039]
Self consolidating lightweight concrete (SCLWC) mixtures were prepared by using two different lightweight coarse aggregates and by replacing normal weight crushed coarse limestone aggregate at a constant water/powder ratio. One of the SCLWC mixtures was also prepared at different water/powder ratios. All the mixtures were exposed to 300, 600 and 900 degrees C, respectively. Lightweight aggregate type and water/powder ratio affect water transport characteristics and resistance of the mixtures to elevated temperatures. The microstructural investigation findings are consistent with thermal strain and residual mechanical properties of the mixtures after exposure to high temperatures. (C) 2012 Elsevier Ltd. All rights reserved.
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