SHRINKAGE OF STEEL FIBRE REINFORCED CEMENT COMPOSITES.

被引：0
|
作者：
Mangat, P.S. [1 ]
Azari, M.Motamedi [1 ]
机构：
[1] Univ of Aberdeen, Scotl, Univ of Aberdeen, Scotl
来源：
Materials and Structures/Materiaux et Constructions | 1988年 / 21卷 / 123期
关键词：
STEEL; -; Fibers;
D O I：
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学科分类号：
摘要：
Results are presented of an experimental investigation on the influence of steel fibres on the free shrinkage of cement-based matrices. Shrinkage tests were carried out on cement paste, mortar and two types of concrete mixes for a period of up to 520 days. Melt extract, crimped and hooked steel fibres were used for reinforcement at volume fractions ranging between 1 and 3 PERCENT. The results indicate that fibres restrain the shrinkage of the various cement matrices to a significant extent, resulting in reductions of up to 40 PERCENT. Crimped fibres are the most efficient in providing shrinkage restraint.
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页码：163 / 171
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