等截面连续梁内力影响线求解的能量法

The Energy Method on Solving Influence Line of the Continuous Beam Bridge

应用能量法的近似解法———里兹法求出等截面连续梁在单位集中力作用下的几何可能位移 ,又利用能量偏导数定理对连续梁内力影响线求解公式进行了推导 。

Using Ritz-method the possible geometrical displacement of the continuous beam was solved, then the influence line of the continuous beam was deduced by using the theorem of energy differential coefficient and the commonly formulae on solving influence line of the continuous beam bridge were educed.