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一、前言 一般高层建筑都设有地下室,为了满足使用要求,地下室往往是多层的。在进行抗震设计时会遇到以下问题:1.在计算简图中如何确定各类结构体系的嵌固部位;2.上部结构对地下室结构的作用以及各类结构底部加强部位的范围;3.地下室结构的抗震设计。本文试就以上诸问题根据建筑抗震设计规范GBJ 11—89有关规定并参考国外有关资料对以上问题提出若干建议供设计参考。
I. INTRODUCTION General high-rise buildings are equipped with basements. In order to meet the requirements for use, the basement is often multi-layered. In the seismic design, the following problems will be encountered: 1. How to determine the embedded parts of various structural systems in the calculation diagram; 2. The effect of the superstructure on the structure of the basement and the scope of the reinforced parts at the bottom of various types of structures; 3. Seismic design of the basement structure. This article tries to put forward some suggestions for the above-mentioned issues for design reference based on the relevant regulations of GBJ 11-89 and related foreign data.