【摘要】 本文利用连续函数来拟合“桥规”中徐变系数的数学表达形式。提出含有配筋截面的杆端徐变等效荷载的计算方法。通过洪塘桥工程的实例计算表明,对于采用节段形式施工的预应力混凝土桥梁,在工程控制中正确地估算徐变变形具有重要意义。更多还原

【Abstract】 In this paper, continuous fuctions have been used to smooth the mathematical expression of creep coefficient presented in the "Bridge Code". For reinforced structural members the method for the calculation of the equivalent creep loads has been presented. Through the sample analysis of the Hong Tang bridge, it is clear that, for segmentally constructed P. C. bridges, the correct estimation of the creep deflection is of great significance in the erection control.更多还原