施工技术 2016年11月下 72 CONSTRUCTION TECHNOLOGY 第45卷第22期 D01:10.7672/gjs2016220072 某大跨度钢梁组合屋盖加固设计 王元新，李海旺，杜雷鸣，赵崇基，王威 (太原理工大学建筑与土木工程学院，山西太原030024) [摘要]针对某大跨度钢梁组合屋盖因设计漏算荷载及施工偏差较大导致结构实际工作状况与原设计不符的情 况，对该结构重新进行了验算及加固设计.综合考虑安全性、经济性及施工可行性，选择顶升钢梁组合混凝土梁的 加固方案进行加固设计，并具体完成了组合梁、节点加固的设计及施工顺序的合理安排，从而实现了“技术可靠、经 济适用、施工简便并确保质量”的加固目标. [关键词]钢结构；大跨度钢梁；加固；设计；钢混凝土组合梁 [中图分类号]TU391 [文献标识码]A [文章编号]1002-8498(2016)22-0072-05 Strengthening Design of Large-span Steel Beam Roof Wang Yuanxin Li Haiwang Du Leiming Zhao Chongji Wang Wei College of Architecture and Civil Engineering Taiyuan University of Technology Taiyuan Shanxi 030024 China) Abstract:Because of some problems such as neglecting some design loads and construction deviation the actual stress situation of the structure does not correspond with the original design so an overall analysis and strengthening design of the structure is carried out.Considering the security economy and construction feasibility of the program posite beam reinforcement method is selected.Detailed design of posite beam and joint strengthening is pleted and the construction sequence is arranged for the program.Strengthening targets of technology reliable affordable simple construction and to ensure quality'are realized. Key words:steel structures;large-span steel beam;strengthening;design;steel-concrete posite beam 近年来，钢结构因其轻质高强、施工简便、工期 本工程位于山西省，其主体结构为平面尺寸 短等优点在民用建筑及工业建筑中得到了广泛应36.3m×41.7m的7层框架结构，其中地下2层、地 用.然而由于日益激烈的市场竞争，相当一部分结 上5层，-2~3层为混凝土框架，4层无楼板仅周边 构为实现低用钢量采用满应力设...
某大跨度钢梁组合屋盖加固设计.pdf
