金来建  杨超杰　（北京中颐和建筑设计公司  100011）

[提要]  针对北京地区一个双塔大底盘高层建筑的结构设计，就比较常见的基础抗浮方案、开转角窗对高层剪力墙的影响、剪力墙约束边缘构件的配筋及主体结构计算作了介绍。
[关键词]  基础抗浮  双塔  剪力墙约束边缘构件  结构计算

Based on a high-rise whole-basin building with two towers in Beijing,the resistance to the groundwater float of the foundation,influence on shear-force walls by corner windows, reinforcement of restrained edge members in shear-force wall,and structural calculation are conducted.
Keywords: groundwater float; foundation; two towers; restrained edge members; shear-force wall; structural calculation