1. The maximum amount of increasing in weight of steel is 22%for the roof purlins.
用钢量增加幅度最大的是不上人的轻型屋面檩条，提高幅度达22%。
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2. Secondary frame including purlins, doors frame… made of galvanized steel profiles.
次钢构包括檩条，门框架等由镀锌钢型材料制成。
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3. Secondary frame including purlins, doors frame... made of galvanized steel profiles.
次钢构包括檩条，门框架等等，由镀锌钢型材料制作。
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4. At the lower end of each roof slope, eaves purlins are provided over the ceiling joists.
屋面两坡的下方，檐口的连系梁支承在平顶搁栅之上。
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5. This paper introduces the experiment made on the castellated beam purlins installed on the roof of me formed steel sheetings.
结合工程设计，对上翼铺设压型钢板屋面的蜂窝梁式檩条进行了试验。
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6. On building peripheral, intermediate steel columns will be installed (in between 2 main columns), in order to support wall purlins and cladding.
在建筑外墙，安装中间钢立柱（在2个主柱之间），用来支撑檩条和墙面板。
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7. It is described the feasibility of the application of the continuous purlins in metal building system from the aspects of analytic model and stability.
提要从分析模型和稳定两方面阐述了连续檩条在金属建筑系统中应用的可行性。
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8. But the current specification GB50018-2002 does not consider the effect of lip inclination, hence, it cannot be effectively used in designing inclined lipped Z-section purlins.
9. But the current specification GB50018-2002 does not consider the effect of lip inclination, hence, it cannot be effectively used in designing inclined lipped Z-section purlins.
