期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 22, 期 4, 页码 668-674出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2006.10.001
关键词
fiber-cement; roofing tiles; sisal fiber; eucalyptus fiber; thermal performance; physical properties; mechanical behavior
The objective of this work was to analyze mechanical, physical and thermal performance of roofing tiles produced with several formulations of cement-based matrices reinforced with sisal and eucalyptus fibers. The physical properties of the tiles were more influenced by the fiber content of the composite than by the type of reinforcement. The type of the fiber was the main variable for the achievement of the best results of mechanical properties. Exposure to tropical climate has caused a severe reduction in the mechanical properties of the composites. After approximately four months of age under external weathering the toughness of the vegetable fiber-cement fell to 53-68% of the initial toughness at 28 days of age. The thermal performance showed that roofing tiles reinforced with vegetable fiber are acceptable as substitutes of asbestos-cement sheets. (c) 2006 Elsevier Ltd. All rights reserved.
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