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部分预应力部分粘结CFRP混凝土梁的受弯性能 被引量:7

Flexural Behavior of Partially-prestressed and Partially-bonded Concrete Beams Reinforced with CFRP
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摘要 为了改善碳纤维筋(CFRP)预应力混凝土梁的受力及延性性能,针对CFRP筋特殊的材料性能,在国内首次引入了“部分预应力部分粘结”的新概念。对CFRP筋与环氧树脂钢筋混合配筋的预应力混凝土梁进行了试验研究,结果说明梁的预应力度及预应力筋的无粘结部分长度会对CPFR筋预应力混凝土梁的受力及延性性能产生较大的影响。 To improve the bending and ductility behavior of prestressed concrete beams that reinforced with carbon fiber reinforced plastics bars(CFRP), in the light of the special material property of CFRP bar, a new concept, 'partially-prestressed and partially-bonded', was first introduced in China. Experimental studies on prestressed concrete beams with hybrid CFRP and epoxy resin coated steel reinforcements were carried out. The test results indicated that prestressing ratio and unbonded length had insignificant effect on bending and ductility behaviors of CFRP prestressed concrete beams.
出处 《武汉理工大学学报》 EI CAS CSCD 北大核心 2005年第6期29-31,44,共4页 Journal of Wuhan University of Technology
基金 广西省自然科学基金 (0 4 810 0 7)
关键词 部分预应力部分粘结 碳纤维筋 混凝土梁 受弯性能 partially-prestressed and partially-bonded carbon fiber reinforced plastics bars(CFRP) concrete beam flexural behavior
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  • 1Masmoudi R, Theriault M, Benmokrane B. Flexural Behavior of Concrete Beams Reinforced with Deformed Filer Reinforced Plastic Reinforcing Rods[J]. ACI Structural Journal, 1998,95(6): 665-675.
  • 2Rizkalla N S. Partial Bonding and Partial Prestressing Using Stainless Steel Reinforcement for Members Prestressed with FRP[D]. Kingston: Queen's University, 2000.
  • 3Dorian Peng Tung. Deformability and Ductility of Partially-prestressed Concrete Beams Containing CFRP/Stainless Steel Rein-forcements[D]. Kingston: Queen's University, 2002.
  • 4戴绍斌,朱健.预应力碳纤维筋混凝土梁张拉损失的试验研究[J].武汉理工大学学报,2004,26(3):70-72. 被引量:5

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