董安正  赵国藩
（大连理工大学海岸和近海工程国家重点实验室 116023）

[提要]  在《建筑结构设计统一标准》( GBJ68-84)给出的年最大风压分布模型的基础上，得出了高层建筑结构在两种实用计算模式下结构顶点位移的概率分布及其统计参数。结合《钢筋混凝土高层建筑结构设计与施工规程》(JGJ3-91)规定的结构顶点位移限值，得出了高层建筑结构在《建筑结构设计统一标准》年最大风压模型作用下位移控制的失效概率及其可靠度指标。为高层建筑结构在风荷载作用下的位移控制分析及设计提出了一种新的思路。
[关键词]  高层建筑结构  风荷载位移  可靠性

Based on the Unified Stanclard of Builcling Structure Design( GBJ68-84), the probabilistic distribution and statistic parameters of the structural peak displacement are obtained by two practical calculation model. According to the structural peak displacement limits set by the Regulations of Reinforced Concrete High Structure's Design and Construction(JGJ3-91), the displacement control invalid probability and the reliability target of tall building structure under the annual maximum wind distribution in the Uni fied Standard of Building Structure Deisign are reduced. A new reliability analysis method of tall building structure displacement control design and analysis is brought out.
Keywords: tall  building; wind  load; displacement; reliability