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《Concrete》 2003-01
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Shrinkage of concrete at early age and approach on the anti-cracking mechanism of polypropylene fiber

KANG Jingfu(Tianjin University,Tianjin 300072,China)  
This paper introduces the development of concrete shrinkage at early age and the monitoring methods of plastic shrinkage,tensile creep and elastic stress,as well as the influences of polypropylene dosage and characters on the concrete shrinkage cracking based on the relative studies conducted abroad.The author suggests a preliminary explanation for the anticracking mechanism of polypropylene fiber in the paper.
【CateGory Index】: TU528.45
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