摘要
本文将楼板连续化处理以后,采用通常的假定,把由芯筒、剪力墙和平面框架组成的复杂平面布置的三维空间协同工作体系简化为一个具有弹性支承的广义悬臂的弯扭耦联问题。建立了相应的微分方程,得到了弯扭耦联的闭合解;推导出三种典型荷载作用下的计算公式,并给出了设计图表。本文方法仅利用微机或个人电脑,甚至通过手算就能解决复杂问题。它具有计算工作量小,速度快等优点,并具有相当好的精确度,可供初步设计之用。
In this paper, after treatment of the floor system with continuum tech-nique and by conventional assumption, a three-dimensional space coordinatedsystem of core- walls, shear- walls and frames with complicated plane form, hasbeen simplified to a flexi- twist coupling problem of generalized cantilever onelastic foundations. Corresponding differential equations are developed andclosed solutions for flexi-twist coupling are derived. Formulas correspondingto three classical lateral loads are given and the design coefficient diagramsfor calculation of displacements and internal forces are drawn. A numericalexample is eventually shown. The given method can solve complicated problems requiring only a microor personal computer or even a calculator. It has the advantages of less work,fast speed and high accuracy in calculation, and may be used in preliminary de-signs.
出处
《土木工程学报》
EI
CSCD
北大核心
1989年第2期22-32,共11页
China Civil Engineering Journal
关键词
高层建筑
三维空间
弯扭耦联
Foundations
Elasticity
Mathematical Techniques
Differential Equations
Structural Analysis
Computer Applications
Structural Design
Loads
