本文以广州体育馆钢结构屋架几何形变测量工程为实例，提出了一套适宜大型钢屋架的几何形变测量方案。

Deformation observation of Guangzhou gymnasium steel roof truss is used as a case study in this paper and a survey scheme suitable for such project presented.

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轻钢结构住宅屋面系统是由屋架、结构OS B面板、防水层、轻型屋面瓦，又为金属或沥青瓦，组成的。

The roofing system in lightweight steel structure is composed of roof truss, structural OSB panel, waterproof layer and lightweight roofing tile, which is also named metal or asphalt tile.

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介绍了潍坊市中心-潍坊学院体育馆的结构计算和构造措施，并对结构风荷载的取值、屋架钢结构体系的选择、节点构造等设计中遇到的难点进行特别说明。

Especially, the difficulties encountered in the design such as the corresponding structural wind load, steel-truss roof system selection, the joint structure and so on are explained in detail.

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