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在高层建筑设计中常常遇到底层需要敞大的空间,剪力墙用柱支承,在剪力墙之间有连接的横梁系统.当承担垂直荷载时,底层横梁承受巨大的拉力.合理地确定这项拉力的大小有实际应用价值,在当前高层建筑设计文献中,有关水平荷载者较多,尚未查阅到有关所说课题的简单合理方法.文中作者提出了对内力——变位的混合法,求出递推矩阵以及逆推矩阵,写出了计算内力及变位的精确形式,计算递推矩阵的本征值及本征矢量,可以简单地算出横梁系统的内力.
In high-rise building design, it is often encountered that the bottom floor needs to open a large space, the shear wall is supported by a column, and there is a connecting beam system between the shear walls. When the vertical load is assumed, the bottom cross-beam bears a large pulling force and is reasonably determined. The size of this pull force has practical application value. In the current high-rise building design literature, there are many horizontal loaders, and there is no simple and reasonable method to discuss the subject. In this paper, the author proposes the hybrid method of internal force-displacement. Calculate the recursion matrix and the inverse matrix, write the exact form of the calculation of internal forces and displacements, calculate the eigenvalues and eigenvectors of the recursion matrix, and simply calculate the internal forces of the beam system.