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（1 華南理工大學(xué)建筑設(shè)計(jì)研究院有限公司， 廣州 510641；2 華南理工大學(xué)亞熱帶建筑科學(xué)國(guó)家重點(diǎn)實(shí)驗(yàn)室， 廣州 510640； 3 華南理工大學(xué)土木與交通學(xué)院， 廣州 510640；4 廣東省建筑設(shè)計(jì)研究院， 廣州 510010； 5 中國(guó)聯(lián)合工程有限公司， 杭州 310052）

［摘要］勁性懸索結(jié)構(gòu)主要由勁性索及索力支撐系統(tǒng)組成，兼具柔索和普通鋼結(jié)構(gòu)的優(yōu)點(diǎn)，可自平衡也可外力平衡。介紹了勁性懸索結(jié)構(gòu)應(yīng)用現(xiàn)狀、在不同荷載作用下的力學(xué)性能、設(shè)計(jì)關(guān)鍵點(diǎn)以及勁性懸索的主要節(jié)點(diǎn)構(gòu)造，并通過一個(gè)具體的工程實(shí)例介紹勁性懸索結(jié)構(gòu)在大跨度屋蓋中的應(yīng)用及設(shè)計(jì)方法。該工程實(shí)例屋蓋結(jié)構(gòu)中四榀大跨度H型鋼勁性索、兩道臥梁以及兩榀鋼筋混凝土框架結(jié)構(gòu)形成自平衡體系，勁性懸索承擔(dān)屋蓋重力荷載下產(chǎn)生的拉力，而臥梁及混凝土框架則將勁性索對(duì)支座產(chǎn)生的拉力進(jìn)行平衡。通過有限元分析、簡(jiǎn)化計(jì)算、解析計(jì)算三種方法對(duì)H型鋼勁性索承載力進(jìn)行計(jì)算，并進(jìn)行了施工過程模擬分析，結(jié)合分析結(jié)果指導(dǎo)施工。提出的勁性懸索結(jié)構(gòu)的設(shè)計(jì)關(guān)鍵點(diǎn)以及相關(guān)計(jì)算及分析方法可為勁性懸索結(jié)構(gòu)在其他實(shí)際工程的應(yīng)用提供參考。

［關(guān)鍵詞］勁性懸索結(jié)構(gòu)； 自平衡體系； 承載力計(jì)算； 施工過程分析

中圖分類號(hào)：TU391文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)20-0080-06

Research on key technologies of stiff suspended-cable structural design

Luo Zhifeng1, Wang Fan1,2, Shu Xuanwu1, Yao Rongkang3,4, Mo Shenghao5, Lai Zerong3,4

(1 Architectural Design & Research Institute of SCUT Co., Ltd., Guangzhou 510641, China; 2 State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China; 3 School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, China;4 Architectural Design and Research Institute of Guangdong Province, Guangzhou 510010, China;5 China United Engineering Corporation Limited, Hangzhou 310052, China)

Abstract:The stiff suspended-cable structure is mainly composed of stiff cables and cable force support system. It has the advantages of both flexible cables and ordinary steel structures, and can be self-balanced or external force balanced. The application status, mechanical properties under different loads, key points of design and main joint structures of stiff suspended-cable structures were introduced. The application and design method of stiff suspended-cable structures in large-span roofs were introduced through a specific engineering example. In this project, four large-span H-shaped steel stiffening cables, two horizontal beams and two reinforced concrete frame structures formed a self-balanced system. The stiff suspended cables bore the tension generated by the gravity load of the roof, while the horizontal beam and the concrete frame balanced the tension generated by the stiff cables. Through three methods of finite element analysis, simplified calculation and analytic calculation, the bearing capacity of H-shaped steel cable was calculated, and the construction process was simulated and analyzed, and the construction was guided by the analysis results. The key points in the design of the stiff suspended-cable structure and the relevant calculation and analysis methods could provide reference for the application of the stiff suspended-cable structure in other practical projects.

Keywords:stiff suspended-cable structure; self-balanced system; bearing capacity calculation; construction process analysis

作者簡(jiǎn)介：羅志鋒，碩士，工程師，Email：luozf1989@qq.com。