结合工程实例，分析了轻型钢屋架腹杆缺失时的鉴定结果，为加固补强提供了可靠依据。
By integrating engineering examples, the appraisal results of a light steel roof truss without webs were analyzed, which provided a reliable basis for strengthening it.
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.
在轻型钢屋架整体吊装的施工过程中，经多次实践，总结出圆形轻型钢屋架的整体吊装的施工工艺。
In the construction course of the light steel overall hoisting of roof truss, this paper now summarizes the construction technology of the hoisting of light steel roof truss by many practice.
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