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本文建議采用最少功法分析楔形鉸接梁为人字式的跨变鉸架。与分析跨变刚架的许多通用法比较,其主要优点为无須計算跨变梁的若干常数和考虑框架各跨的側移与跨变。采用本文所建議的每一拱形杆撓曲功能对于各項冗力的偏导数的計算方法,不但所需为数最少的联立方程式易于建立,而且其中各項冗力的系数,与剛构常数相似,还可用于任何荷载情况,故用于多种荷載情况的分析尤为簡便。
This paper proposes to analyze the wedge-shaped hinged beam as a herringbone cross-change hinge using the least-power method. Compared with many general methods used to analyze cross-rigid rigid frames, the main advantages are that it is not necessary to calculate several constants of the cross-varying beam and to consider the lateral shift and cross-variation of each span of the frame. Using the deflection function of each arched rod proposed in this paper for the calculation of the partial derivatives of the redundancy, not only the least number of simultaneous equations is required to be easily established, but also the coefficients of the various redundancy, and the rigid-constitutive constants. Similarly, it can be used for any load situation, so it is particularly easy to use for analysis of various load conditions.