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YANG Hong, WEI Feng, BAI Shao-liang, WANG Zhen. EFFECT OF MOMENT AMPLIFICATION FACTORS OF COLUMNS ON CONTROLLING PLASTIC HINGE MECHANISM OF RC FRAMES[J]. Engineering Mechanics, 2005, 22(2): 155-161.
Citation: YANG Hong, WEI Feng, BAI Shao-liang, WANG Zhen. EFFECT OF MOMENT AMPLIFICATION FACTORS OF COLUMNS ON CONTROLLING PLASTIC HINGE MECHANISM OF RC FRAMES[J]. Engineering Mechanics, 2005, 22(2): 155-161.
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EFFECT OF MOMENT AMPLIFICATION FACTORS OF COLUMNS ON CONTROLLING PLASTIC HINGE MECHANISM OF RC FRAMES

  • Civil Engineering Faculty of Chongqing University, Chongqing 400045, China;2. Huadong Architectural Design Institute, Shanghai 200002, China

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  • Received Date: May 11, 2003
  • Revised Date: October 08, 2003
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  • In the case of the second level aseismic requirement for regions of 8 seismicity, typical frames are designed according to Chinese design code of concrete structures. Varying moment amplification factors are used for floor columns. By means of nonlinear dynamic analytical program PL-AFJD, the responses of these frames under different earthquake excitations are obtained. The effect of the moment amplification factors on controlling plastic hinge mechanism under major earthquakes is studied, and the factors affecting the plastic hinge mechanism are identified. The results are helpful to optimal evaluation of the column moment amplification factors in Chinese concrete structure design code.
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