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一、概述目前,底层大空间的剪力墙结构正在陆续兴建,经济特区也广泛采用有传递平台的塔式高层建筑结构。这些结构在水平荷载作用下的内力与位移分析,可归结为二阶变截面框架——剪力墙结构分析的问题。框架——剪力墙结构的内力与位移分析可采用微分方程解法,以结构侧移y为基本未知量,相应其内力为:(?)式中M_q、Q_q——剪力墙的弯矩和剪力;Q_k——框架的剪力;EJ——剪力墙的弯曲刚度;
I. Overview At present, the shear wall structure of the ground floor and large space is being built one after another. The special economic zones also widely adopt a tower-type high-rise building structure with a transfer platform. The analysis of the internal forces and displacements of these structures under horizontal loads can be attributed to the analysis of the second-order variable cross-section frame-shear wall structure. The frame-shear wall structure analysis of internal forces and displacements can be solved by differential equations. The lateral displacement y is the basic unknown quantity, and the corresponding internal forces are: (?) where M_q, Q_q—the bending moment of the shear wall and Shear force; Q_k - shear force of the frame; EJ - bending stiffness of the shear wall;