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Experimental Study on Flexural Performance of RC Beams Strengthened with Prestressed Polyethylene FRP Sheets
Author(s): 
Pages: 59-64
Year: Issue:  1
Journal: JOURNAL OF BEIJING UNIVERSITY OF TECHNOLOGY

Keyword:  纤维增强聚合物预应力力学性能混凝土;
Abstract: 聚乙烯纤维增强聚合物是一种具有优良延性的新型FRP(Fiber Reinforced Plastic)复合材料.试验研究了预应力聚乙烯纤维布加固混凝土梁的抗弯性能,并与芳纶纤维布和非预应力聚乙烯纤维布加固混凝土梁的抗弯性能进行了对比.结果表明:与非加固标准梁、预应力芳纶纤维布加固梁相比,预应力聚乙烯纤维布加固梁的延性系数分别提高了4%和142%,即聚乙烯纤维布加固混凝土梁具有优良的延性.
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