广州新客站主站房屋盖钢结构设计-建筑结构 关键词］火车站站房；预应力空间结构；索拱；索壳；预应力；不均匀升温；节点设计 [gap=862]Keywords:railway station; prestress spatial structure; cable-arc structure; cable-shell structure; prestress; asymmetrical temperatur
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预应力空间结构施工张拉过程受力复杂，刚度较小。
Space pre-tension structures under construction and pre-tensioning are usually with sophisticated behaviors and small stiffness.
本文首先介绍了预应力空间结构的发展趋势及应用。
Firstly, this thesis introduces the development trend of prestressed spatial structure and application.
大跨度张弦立体桁架结构是一种新型的预应力空间结构形式。
Long-span spatial truss string structure is a new form of prestressed spatial structure.
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