坦拱形輕鋼屋架設(shè)計(jì)參數(shù)分析及增設(shè)支撐加固方法
曹淑上，楊若愚，何世兵
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（重慶市建筑科學(xué)研究院,重慶 400015）[摘要]通過(guò)分析主拱拱軸線(xiàn)、矢跨比、系桿剛度、截面形式等對(duì)結(jié)構(gòu)受力的影響，以某廠房的拱形輕鋼屋架為例，對(duì)屋架內(nèi)力進(jìn)行驗(yàn)算，分析了屋架上下弦桿內(nèi)力變化規(guī)律，并提出增設(shè)支撐的加固方法。[關(guān)鍵詞]坦拱形輕鋼屋架;設(shè)計(jì)參數(shù);增設(shè)支撐加固方法中圖分類(lèi)號(hào)：TU393.3 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2013)S1-0377-03作者簡(jiǎn)介：曹淑上，工程師，E-mail: caoshushang@163.com。Analysis of design parameters and supporting strengthening method of light steel flat arc-shaped roof structure(Chongqing Construction Science Research Institute,Abstract: Through analysis the design parameters of arch axis, rise-span ratio, stiffness of tie bar and section forms, taking a light steel arched roof as an example, the internal forces on the roof and the changes of the internal force of to player haulm and bottom layer haulm was analyzed, and supporting strengthening method was proposed.Keywords: light steel flat arc-shaped roof structure; design parameter; supporting strenthening method
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