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Title: Recent research on steel-concrete composite shell roofs : buckling experiments on the steel base shell during construction
Other Titles: 钢-混凝土组合薄壳屋盖的研究进展 - 施工阶段钢底壳的模型试验研究
Authors: Teng, JG 
Wong, HT
Keywords: Shell roofs
Concrete shells
Composite construction
Modular construction
Issue Date: 2005
Publisher: 同济大学
Source: 建筑钢结构进展 (Progress in steal building structures), June 2005, v. 7, no. 3, p. 9-15 How to cite?
Journal: 建筑钢结构进展 (Progress in steal building structures) 
Abstract: 钢-混凝土组合薄壳屋盖(Comshell屋盖体系)由兼作永久模板并替代钢筋的薄壁加劲钢底壳和现浇混凝土两部份组成。薄壁钢底壳由模块化单元件通过螺栓连接而成,单元件呈无盖扁盒状,由底板及周边板组成,其周边板在钢壳上构成两个方向的薄壁加劲板。这一新体系保留了混凝土薄壳屋盖的所有优点,又不需要使用临时模板,并大幅减少临时支撑。本文对这种新型结构体系及其各种可能的破坏模式进行了简单介绍,并给出了针对该结构体系施工阶段稳定性所进行模型试验的主要结果。
Steel-concrete composite shell roofs (Comshell roofs) are formed by pouring concrete on a thin stiffened steel base shell which serves as both the permanent formwork and the tensile steel reinforcement. The thin steel base shell, constructed by bolting together open-topped modular units consisting of a base plate with surrounding edge plates, is a steel shell with thin stiffeners in both directions. The new system retains all the benefits of thin concrete shells, but eliminates the need for temporary formwork and minimises the required falsework. In this paper, the structural features and possible failure modes of this new structural system are first outlined. The results of a series of buckling experiments on model steel base shells under simulated wet concrete loading during construction are then presented. 还原
ISSN: 1671-9379
Rights: © 2005 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2005 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes.
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