1·This paper gives an account of the method of deflection test of large-span steel roof truss and analyses the test result by using element calculation.
本文介绍了大跨度钢屋架挠度测试法和测试结果，并用有限元计算对测试结果进行比较和分析。
2·Hot-rolled seamless steel tube column, as the main vertical load-bearing member, plays the role of structure transferring between the cast RC frame shear wall and the steel roof truss.
以热轧无缝钢管柱为主要竖向承重结构构件，承担现浇钢筋混凝土框架剪力墙结构与钢屋架之间的结构转换作用。
3·The double groove steel is suspended under the two nodes of bottom chord of steel roof truss to prevent the bottom chord from stretch bending.
文章论述了在设计中采用钢屋架下弦两节点下悬吊双槽钢作为分布梁避免钢屋架下弦拉弯工作。
4·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.
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。
5·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.
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。