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    張德峰   呂志濤
    （東南大學(xué)土木學(xué)院  南京 210096）

[提要]  針對(duì)工程設(shè)計(jì)人員普遍關(guān)心的側(cè)向約束是否對(duì)框架結(jié)構(gòu)預(yù)壓力的傳遞產(chǎn)生影響及影響的人小這一問題，分析了這種影響并推導(dǎo)出了計(jì)算公式。通過實(shí)例分析，提出了考慮側(cè)向約束影響的應(yīng)用條件，可供設(shè)計(jì)參考。
[關(guān)鍵詞]  側(cè)向約束  框架結(jié)構(gòu)  預(yù)壓力  影響

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