可延展预应力网壳结构的发展、应用及展望  

Development,Application and Prospect of Gridshell Structures

作　　者：江彤[1] 李国强[1] 

机构地区：[1]同济大学土木工程学院,上海200092

出　　处：《建筑钢结构进展》2013年第3期20-25,共6页Progress in Steel Building Structures

摘　　要：介绍了国外已有的一种通过独特工艺成形的新型的网壳结构——可延展预应力网壳结构。由于该网壳结构具有可折叠性,建造过程独特、快速,适用于中型公共场馆、临时场馆等建筑。阐述了该结构的受力机理、成形工艺形成及缺点,讨论了其材料的选择,并回顾了该结构发展的历程和应用。最后,论述了可延展预应力网壳结构在中国的发展及前景。A new type of reticulated shell structure-gridshell structure which has a unique process of forming is introduced here.Because this type of structure is deployable,its construction process is unique and fast.It can be used for middle span structures and pavilions.The mechanial mechanism and forming technology of gridshell structures were illustrated,and the choice of the material and the advantages of gridshell structures were discussed.Then,the development history and the application of gridshell are also reviewed.Finally,the development and research prospect of gridshell structures in China were pointed out.

关 键 词：预应力网壳结构 可延展 受力机理 成形工艺 

分 类 号：TU399[建筑科学—结构工程]