- 摘 要
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(1 浙江精工鋼結(jié)構(gòu)集團(tuán)有限公司, 紹興 312030; 2 浙江綠筑建筑系統(tǒng)集成有限公司, 紹興 312030)
[摘要]柯橋收費(fèi)站大跨度罩棚采用剛架結(jié)構(gòu)體系,結(jié)構(gòu)由共五榀大截面實(shí)腹箱形剛架組成,剛架跨度85.1m,矢跨比約1/19,跨中高跨比為1/65,剛架柱向外傾斜11°,支承在10個(gè)抗震球鉸支座上。針對(duì)罩棚結(jié)構(gòu)大跨度、低矢跨比、低高跨比等特點(diǎn),詳細(xì)介紹了結(jié)構(gòu)設(shè)計(jì)過(guò)程,并著重介紹了整體穩(wěn)定性能分析、防連續(xù)倒塌分析和關(guān)鍵節(jié)點(diǎn)分析,可供同類(lèi)工程設(shè)計(jì)時(shí)參考。
[關(guān)鍵詞]剛架結(jié)構(gòu); 穩(wěn)定性分析; 防連續(xù)倒塌分析; 有限元分析
中圖分類(lèi)號(hào): TU318,TU393.3 文獻(xiàn)標(biāo)識(shí)碼: A文章編號(hào): 1002-848X(2016)S1-0480-07
Design of large span steel structure in Keqiao toll station
Du Zhaoyu1,2
(1 Zhejiang Jinggong Steel Building Group Co., Ltd., Shaoxing 312030, China;
2 Zhejiang Green Building System Co., Ltd., Shaoxing 312030, China)
Abstract: Rigid frame structure system is used in a toll station large-span awning.The steel structure contain five large box-section frame.The span of structure is 85.1m.The rise-span ratio is 1/19.The depth-span ratio of midspan is 1/65.The columns of rigid frame are 11 degrees outward,and them are supported on 10 fixed ball joint bearing.According to the structural features,this paper introduced the design of the steel structure, including the stability analysis, anti-progressive collapse analysis and steel connections analysis. It could be reference for the design of similar project.
Keywords: rigid frame structure; stability analysis; anti-progressive collapse analysis; finite element analysis
作者簡(jiǎn)介:杜兆宇,博士,一級(jí)注冊(cè)結(jié)構(gòu)工程師,Email:523455228@qq.com。
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