Study of plastic shrinkage cracking in concrete, and the influence of fibers and a shrinkage reducing admixture

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作者：
Mora, J. [1 ]
Martin, M.A. [1 ]
Gettu, R. [1 ]
Aguado, A. [1 ]
机构：
[1] Universitat Politecnica de Catalunya, Barcelona, Spain
来源：
Industria Italiana del Cemento | 2001年 / 71卷 / 11期
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摘要：
Plastic shrinkage craking has been studied in fresh concrete using restrained prisms and panels subjected to a 40 km/hr wind at 40°C. The reduction of the central section of the prism using a stress-riser localizes the cracking, permitting the measurement of the displacement and crack width. Test results demonstrate that the incorporation of steel and plastic fibers, and a glycol-based shrinkage reducing admixture leads to the reduction of the potential for cracking in the plastic state.
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页码：828 / 837
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