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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2010  >  10(6): 32-40
WANG Chun-sheng, YUAN Zhuo-ya, GUO Xiao-yu, GAO Shan, REN Teng-xian. Flexural behavior experiment of reinforced concrete T-beams with steel plate-concrete composite strengthening[J]. Journal of Traffic and Transportation Engineering, 2010, 10(6): 32-40. doi: 10.19818/j.cnki.1671-1637.2010.06.006
Citation: WANG Chun-sheng, YUAN Zhuo-ya, GUO Xiao-yu, GAO Shan, REN Teng-xian. Flexural behavior experiment of reinforced concrete T-beams with steel plate-concrete composite strengthening[J]. Journal of Traffic and Transportation Engineering, 2010, 10(6): 32-40. doi: 10.19818/j.cnki.1671-1637.2010.06.006
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Flexural behavior experiment of reinforced concrete T-beams with steel plate-concrete composite strengthening

doi: 10.19818/j.cnki.1671-1637.2010.06.006
  • 1.

    Key Laboratory for Bridge and Tunnel Engineering of Shaanxi Province, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    Xi'an Highway Research Institute, Xi'an 710054, Shaanxi, China

  • Received Date: 2010-10-12
  • Publish Date: 2010-12-25
    Abstract
  • The flexural behaviors and failure modes of four reinforced concrete T-beams with steel plate-concrete composite strengthening were investigated. The major design parameters included damage level and bar-planted space. The loads, deflections, strains, cracks of test T-beams, the slippages between new and existing concretes, and the slippages between steel plates and new concretes were respectively measured by using load, deformation sensors and strain gauges. The ultimate bending capacities of test T-beams were simulated by using finite element software ANSYS, and were analyzed by using plastic method. The simulation values, theoretical calculation values and test values were compared. Comparison result shows that the ultimate bending capacities of the T-beams increase by two times. The influence degrees of damage levels and bar-planted spaces on the ultimate bending capacities are about 4%. The longitudinal slippages between the original and new concretes increase with the increments of bar-planted spaces. The maximal absolute differences among the simulation values, theoretical calculation values and test values are 9%, so steel plate-concrete composite strengthening method is feasible.

     

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