朱景敏  陆锡蕾
    （天津市新型建材建筑设计研究院  300381）

[提要]  通过两类计算模型、两种地震设防烈度、三种场地土类别、三种结构体系多种组合的计算与分析，提出了大开间异形柱住宅结构在天津市的适用高度、层次及最大开间尺寸建议。
[关键词]  大开间 异形柱 框轻结构 适用高度

Based on systematical analysis and calculation with considering two types of calculation model, two kinds of earthquake intensity, three types of site soil condition, three kinds of structure system, the author puts forward the proper height, the number of storeyes and maximum bay sizes of large bay R.C.lightweight framed structure of residential building with special-shaped columns.
Keywords: large bay;lightweight framed structure; special-shaped column; height; application ranges