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張 偉¹，  劉  俊¹，  梁興文²
（1 香港華藝設(shè)計(jì)顧問(wèn)(深圳)有限公司，深圳518031；2 西安建筑科技大學(xué)，西安710055）

[摘要]  以目前實(shí)際工程中應(yīng)用較多的鋼筋混凝土坡屋面作為研究對(duì)象，將組成這種屋面的基本單元分類，分別對(duì)基本單元和工程實(shí)例進(jìn)行對(duì)比計(jì)算。指出坡屋面的屋脊線能起到類似梁分割樓板的作用，屋脊線相互支撐，整個(gè)樓蓋共同工作作用明顯：分析了坡度變化對(duì)坡屋面內(nèi)力的影響。在不影響建筑功能的前提下，針對(duì)坡屋面斜向推力的 水平分量會(huì)對(duì)柱頂產(chǎn)生較大彎矩的問(wèn)題，提出解決辦法?？偨Y(jié)了坡屋面受力特點(diǎn)和實(shí)際工程設(shè)計(jì)中應(yīng)注意的問(wèn)題。
[關(guān)鍵詞]  鋼筋混凝土；坡屋面；有限元分析：屋脊線

    Finite element analysis of RC pitched roof
    Zhang Wei¹, Liu Jun¹, Liang Xingwen²
    ( 1 Hong Kong Huayi Design & Consultant Co., Ltd., Shenzhen 518031,China; 2 Xi'an Univ. of Arch. and Tech., Xi'an 710055, China )

Abstract: The RC pitched roof which is often applied in practice is analyzed. The bended line of slab can operate as beam, and fastigium can support one another. The cooperation is obvious in whole floor. Meanwhile, the effect on the internal force in pitched roof differs from gradient. On condition that the building's function is not effected, the solution on that the horizontal projection of thrust in RC pitched roof can cause biggish bending moment in top of column is brought out. The characteristic of the mechanics in pitched roof and the problem should be paid attention to in practice are summarized.
Keywords:  RC; pitched roof; finite element analysis; fastigium