（深圳市力鹏工程结构技术有限公司， 深圳 518034）

［摘要］分析了层间位移角的内涵和组成，给出了弹性楼板假定下结构层间位移、受力层间位移的计算公式，并在此基础上对刚性板、斜柱、嵌固端等各种情况下层间位移、受力层间位移的关系进行了讨论。结合两个工程案例，分析了竖向构件层间位移和受力层间位移沿高度的变化规律。结果表明，层间位移较大楼层的受力层间位移很小，由此可见，规范规定高层建筑最大层间位移角限值主要目的实际上不是控制结构受力的安全性。研究结果可为高层建筑层间位移角限值的合理取值提供理论依据和说明，可供规范修订和设计参考。

［关键词］高层建筑； 层间位移； 受力层间位移； 非受力层间位移； 层间位移角限值

中图分类号：TU972+.9, TU318文献标识码：A文章编号：1002-848X(2019)09-0001-06

Calculation on forced and non-forced inter-story displacement of high-rise building under horizontal load

Wei Lian， Wang Sen

（Shenzhen Li Peng Structural Engineering Technology Co., Ltd., Shenzhen 518034, China）

Abstract:The connotation and composition of the inter-story displacement angle were analyzed. The formulas for calculating the inter-story displacement and the forced inter-story displacement under the assumption of elastic floor were given. On this basis, the relationship between the inter-story displacement and the forced inter-story displacement under the assumption of rigid plate, inclined column and embedded end was discussed. Based on two engineering cases, the variation law of vertical component inter-story displacement and forced inter-story displacement along the height was analyzed. The results show that the forced inter-story displacement is small for story with large inter-story displacement. It can be seen that the main purpose of stipulating the maximum inter-story displacement angle limit value of high-rise buildings in the code is not to control the safety of structural forces. Research result provides a theoretical basis and explanation for the reasonable value of  inter-story displacement angle  limit value of high-rise buildings, and can be used as a reference for the revision and design of the code.

Keywords:high-rise building; inter-story displacement; forced inter-story displacement; non-forced inter-story displacement; inter-story displacement angle limit value

作者简介：魏琏, 学士, 研究员，Email：WL2002111@163.com。