叶列平, 赵树红, 方鄂华. 钢骨混凝土构件正截面承载力计算[J]. 工程力学, 1999, 16(2): 29-36,1.
引用本文: 叶列平, 赵树红, 方鄂华. 钢骨混凝土构件正截面承载力计算[J]. 工程力学, 1999, 16(2): 29-36,1.
YE Lie-ping, ZHAO Shu-hong, FANG E-hua. CALCULATION OF FLEXURE STRENGTH FOR SRC ELEMENTS[J]. Engineering Mechanics, 1999, 16(2): 29-36,1.
Citation: YE Lie-ping, ZHAO Shu-hong, FANG E-hua. CALCULATION OF FLEXURE STRENGTH FOR SRC ELEMENTS[J]. Engineering Mechanics, 1999, 16(2): 29-36,1.

钢骨混凝土构件正截面承载力计算

CALCULATION OF FLEXURE STRENGTH FOR SRC ELEMENTS

  • 摘要: 本文介绍了四种钢骨混凝土构件正截面承载力计算方法。其中两种理论方法相对较精确,但计算复杂,不适于在工程中应用。简单叠加方法虽计算方便,但在某些范围内却过于保守。本文作者建议的方法其计算结果与理论结果吻合较好,且计算也较为简便,便于在工程中应用。本文对这四种方法进行了比较,并用例题说明有关方法的计算步骤。

     

    Abstract: Four calculation methods of fiexure strength of steel reinforced concrete (SRC) elements are introduced in this paper. Based on the plane section assumption, the fiexure strength of SRC can be calculated as reinforced concrete elements. Another theoretical method is universal superposition method, which is based on the lower bound theory of plastic mechanics.These two theoretical methods are precise and in good agreement, hilt they are too complex to be used for design purpose. The simple superposition method, used in Japanese SRC design code, is easy to calculate, but its results are too conservative in some field due to the roughly approximate distribution of axial force. Based on the concept of universal superposition method, a simplified formula of axial force distribution is suggested by the authors. It is shown that the results are more precise than the simple superposition method and in good agreement with the theoretical methods. Besides, the suggested method is easier than the two theoretical methods. An example is provided to demonstrate the introduced methods.

     

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