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(華南理工大學(xué)建筑設(shè)計(jì)研究院， 廣州  510641)

［摘要］梅州市東山中學(xué)體育場(chǎng)看臺(tái)屋蓋由多個(gè)空間扭轉(zhuǎn)懸挑鋼桁架組成，相鄰桁架之間用短鋼管連接，使整個(gè)屋蓋結(jié)構(gòu)成為可抵御豎向和水平荷載作用的穩(wěn)定結(jié)構(gòu)體系，其建筑造型優(yōu)美，結(jié)構(gòu)形式新穎。介紹了該鋼屋蓋結(jié)構(gòu)設(shè)計(jì)和受力分析情況以及如何在設(shè)計(jì)過(guò)程中對(duì)鋼屋蓋結(jié)構(gòu)進(jìn)行不斷改進(jìn)，通過(guò)分析得出，該鋼結(jié)構(gòu)滿足剛度、強(qiáng)度及穩(wěn)定性要求。

［關(guān)鍵詞］體育場(chǎng)； 空間扭轉(zhuǎn)懸挑鋼桁架； 鋼結(jié)構(gòu)設(shè)計(jì)

中圖分類號(hào)：TU398-7文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2017)11-0087-04

Structural design of spatial torsional cantilever steel truss of stadium in Dongshan Middle School in Meizhou city

Gong Mosong， Wang Fan， Shu Xuanwu， Lu Jing， Lü Weiwen， Luo Jiajun

(Architectural Design & Research Institute of SCUT， Guangzhou 510641，  China)

Abstract:The roof of Dongshan Middle School stadium in Meizhou city is composed of multiple spatial reversed cantilever steel trusses. Adjacent trusses are connected with short steel tubes to form a stable structural system of the whole roof structure to resist the vertical and horizontal loadings. The roof has beautiful architectural modeling and novel structural form. The structural design and force analysis of the steel roof were introduced as well as continuous improvements made in the steel roof structure in the design process. It shows  that through analysis the steel structure satisfies the requirement of stiffness, strength and stability.

Keywords:stadium; space torsional cantilever steel truss structure; steel structure design

作者簡(jiǎn)介：龔模松，碩士，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，英國(guó)結(jié)構(gòu)工程師學(xué)會(huì)正會(huì)員（MIStructE），Email: msgong@scut.edu.cn。