大跨度空间结构的工程实践与学科发展

本文系统总结了近年来我国空间结构的工程实践与学科发展的进展、趋势及新的科学问题,主要内容包括：空间结构形体的优化、深化、改进与创新;空间结构节点的破坏机理、弹塑性分析与极限承载力;空间结构向超大跨度结构发展;从较重的屋盖结构体系向轻型的屋盖结构体系发展,从刚性结构体系向柔性结构体系发展;索穹顶结构的研究与开发;大型空间结构施工全过程模拟与施工方法创新;从固定屋盖结构向可开启结构发展;空间结构从单一的设计技术向制造信息化集成技术发展;空间结构理论研究发展;空间结构的健康监测和加固技术开发应用.最后提出了为进一步促进我国大跨度空间结构的应用发展而应当研究、深化和开发的学科课题.

Practical application and research advances of long-span space structures

This paper provides a state-of-the-art review on practical application and research advances of space structures in China. The main contents of the paper include., the optimization, improvement and innovation on the form of space structures; the collapse mechanism, elastic-plastic analysis and ultimate bearing capacity of nodal joints in space structures; super long span structures; development from heavy roofs to light roofs, from rigid structural systems to flexible systems; research and development of cable domes; simulation on the whole construction process and new construction methods of large space structures; development from fixed roofs to retractable roofs; development from simple design technology to manufacture informative integration technology; advances in theoretical research on space structures and health monitoring and reinforcing technology of space structures. Further research topics for the application and development of long-span space structures in China are finally presented.