张德峰   吕志涛
    （东南大学土木学院  南京 210096）

[提要]  针对工程设计人员普遍关心的侧向约束是否对框架结构预压力的传递产生影响及影响的人小这一问题，分析了这种影响并推导出了计算公式。通过实例分析，提出了考虑侧向约束影响的应用条件，可供设计参考。
[关键词]  侧向约束  框架结构  预压力  影响

This paper presents the problem popularly cared about by engineering designers, which is whether the lateral restraints have an effect on the transfer of compressive force in frame structures. Moreover, the computation formulas are derived. Based on the analysis of numerous practical projects, the design recommendations of considering the influence of lateral restraints are put forward.
Keywords:  lateral restraints; frame structures; prestressed force; influence