V2EX purlin

Purlin

Definition / 释义

purlin(名词)檩条;指屋顶结构中沿屋脊方向水平设置的构件,用来支撑椽子(rafters)或屋面板,并把荷载传递到桁架或墙体等承重结构上。(不同地区与结构体系中具体布置略有差异。)

Pronunciation / 发音

/prln/

Examples / 例句

The carpenter replaced a rotten purlin.
木匠更换了一根腐烂的檩条。

After the storm, inspectors found that several purlins had shifted, weakening the roof frame and causing leaks.
暴风雨后,检查人员发现多根檩条发生位移,削弱了屋顶框架并导致渗漏。

Etymology / 词源

purlin 来自中古英语 purline/purling 等形式,原本与“屋顶上的水平木构件”有关;该词在历史上可能与古法语相关词形有关,但总体上属于传统木构建筑术语,后来也广泛用于钢结构屋面系统中。

Related Words / 相关词

Literary Works / 文学作品

  • Building Construction Illustrated(Francis D.K. Ching):在屋顶构造与框架章节中常用到 purlin
  • Architectural Graphic Standards(The American Institute of Architects 等):屋面与结构详图中频繁出现 purlin
  • Timber Construction Manual(American Wood Council):木结构屋面体系与构件说明中使用 purlin
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