期刊
CEMENT & CONCRETE COMPOSITES
卷 74, 期 -, 页码 182-190出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.cemconcomp.2016.10.004
关键词
Basalt fibre; Minibars; Basalt fibre reinforced concrete; Durability; Plastic shrinkage cracking
资金
- OCE
- NSERC
- Connect Canada
- MEDA Limited
Early-age cracking due to plastic shrinkage is often attributed to reducing the durability of concrete structures. The objective of this paper is to evaluate the potential use of chopped basalt fibres. in preventing these cracks. Testing was undertaken to measure the magnitude of shrinkage strain that develops in unrestrained specimens, and the severity of cracking that occurs when shrinkage is restrained. Results indicate basalt fibres are effective in preventing cracks by reducing the magnitude of free shrinkage, and by restricting the growth of cracks if they do occur. The latter mechanism is more prominent when the w/c ratio is decreased. (C) 2016 Published by Elsevier Ltd.
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