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（江蘇省郵電規(guī)劃設(shè)計(jì)院責(zé)任有限公司， 南京 210006）

［摘要］某試驗(yàn)廳的計(jì)算跨度為119-8m，為單層單跨建筑，其屋蓋采用張弦梁結(jié)構(gòu)，屋蓋下部支撐為型鋼混凝土柱，整體為框排架結(jié)構(gòu)。采用兩種不同模型的結(jié)構(gòu)計(jì)算軟件MIDAS Gen（v8-00）和SAP2000（v14-1-0）對(duì)整體結(jié)構(gòu)進(jìn)行了對(duì)比計(jì)算分析，并結(jié)合結(jié)構(gòu)性能化設(shè)計(jì)要求，介紹了張弦梁的設(shè)計(jì)要點(diǎn)，給出了彈塑性時(shí)程分析和抗連續(xù)倒塌等分析結(jié)果，最后對(duì)屋蓋滑移施工方案進(jìn)行了介紹。證明了結(jié)構(gòu)體系的安全性、合理性，并對(duì)大跨屋蓋的施工提出了技術(shù)依據(jù)。

［關(guān)鍵詞］大跨屋蓋； 性能化設(shè)計(jì)； 張弦梁； 彈塑性時(shí)程分析； 抗連續(xù)倒塌

中圖分類號(hào)：TU394[HTSS]， [HTH]TU318文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)02-0007-05

Structural design and roof construction analysis of a large-span test hall 

Wang Junhui, Gao Zhongxue, Ge Weichun, Cheng Xianchun, Wang Qingwei

（Jiangsu Posts & Telecommunications Planning and Designing Institute Co., Ltd., Nanjing 210006, China）

Abstract:The calculation span of a test hall is 119-8m, which is a single-story and single-span building. The roof of the test hall is a beam string structure, which is supported by steel reinforced concrete columns, and the whole structure is a frame bent structure. Two structural calculation programs MIDAS Gen（v8-00）and SAP2000（v14-1-0）with different models were used to compare and analyze the whole structure. Combined with the structural performance-based design requirements, the design points of the  beam string structure were introduced. The analysis results of elastic-plastic time-history analysis and  anti-progressive collapse were given. Finally, the roof slip construction scheme was introduced. The safety and rationality of the structural system were verified and the technical basis for the construction of the large-span roof was put forward.

Keywords:large-span roof; performance-based design; beam string structure; elastic-plastic time-history analysis; anti-progressive collapse

作者簡(jiǎn)介：王軍輝，學(xué)士，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:iwjh@163.com。