欢迎登录材料期刊网

材料期刊网

高级检索

对混凝土结构用CFRP筋及其加筋混凝土梁的力学性能和感知性能进行试验研究.自行研制开发了不同直径和表面处理形式的CFRP筋.在此基础上,制作了三组各6个标准受拉试件,分别测试了CFRP筋的弹性模量、极限抗拉强度和电阻变化率,得到了相应的变化曲线;其次制作了两组各3根CFRP加筋混凝土梁,测试了梁中CFRP筋电阻随载荷增加的变化曲线.研究表明,CFRP筋具有很好的力学性能和感知性能,对于混凝土结构加强筋和结构受力状态监测具有广泛的应用前景.

参考文献

[1] ACI 440. Guide for the design and construction of concrete reinforced with FRP bars [R]. American Concrete Institute,2001.
[2] Benmokrane B, Chaallal O, Masmoudi R. Flexural response of concrete beams reinforced with FRP reinforcing bars [J].ACI Structural Journal, 1995, 91(2): 46-55.
[3] 王勃,何政,张新越,等.纤维聚合物筋在土木工程中的应用[J].建筑技术,2003,34(2):134-135.
[4] Maalej M, Karasaridis A, Pantazopoulou S, et al. Structural health monitoring of smart structures [J]. Smart Materials and Structures, 2002, 11: 581-589.
[5] Chung D D L. Strain sensors based on the electrical resistance change accompanying the reversible pull-out of conducting short fibers in a less conducting matrix [J]. Smart Materials and Structures, 1995, 4: 59-61.
[6] Wang X, Chung D D L. Continuous carbon fibre epoxy-matrix composite as a sensor of its own strain [J]. Smart Materials and structures, 1996, 5: 796-800.
[7] Irving P E, Thiagarajan C. Fatigue damage characterization in carbon fibre composite materials using an electrical potential technique [J]. Smart Materials and Structures, 1998, 7:456-466.
[8] Schulte K, Baron C. Load and failure analyses of CFRP laminates by means of electrical resistivity measurements [J].Composite Science and Technology, 1989, 36: 63-76.
[9] 张新越.FRP筋及其混凝土构件的力学性能与感知特性[D].哈尔滨:哈尔滨工业大学,2002.
[10] Ou J P, Wang B, He Z, et al. Mechanical and sensing properties of FRP bars for concrete structures [J]. Pacific Science Review, 2002, 4: 93-99.
[11] GB/T 13096.1-91.拉挤玻璃纤维增强塑料杆力学性能试验方法[S].
[12] Bakis C E, Nanni A, Terosky J A, et al. Self-monitoring,pseudo-ductile, hybrid FRP reinforcement rods for concrete applications [J]. Composite Science and Technology, 2001,61: 815-823.
[13] 沈烈,益小苏.一个单向碳纤维增强树脂基复合材料导电结构模型[J].复合材料学报,1998,15(3):66-70.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%