V2EX imposed load

Imposed Load

释义 Definition

Imposed load(工程/结构术语):使用荷载、活荷载,指建筑或结构在使用过程中由人员、家具、可移动设备、储物、车辆等带来的可变荷载(区别于结构自重等恒载)。在不同规范中也常与 live load 同义或高度重合。(注:在一些语境里还可泛指“外加的/施加的荷载”。)

发音 Pronunciation (IPA)

/mpozd lod/
/mpzd ld/

例句 Examples

The floor must be designed for the imposed load.
地板必须按使用荷载进行设计。

Because the imposed load varies with occupancy and furniture, engineers apply load factors and combinations to ensure safety under realistic worst-case conditions.
由于使用荷载会随人员数量和家具布置而变化,工程师会采用荷载分项系数与荷载组合,以确保在现实的最不利情况下仍然安全。

词源 Etymology

imposed 来自 impose(施加、强加),源于拉丁语词根,含“放在……之上/加诸于”的意思;load 源自古英语,意为“负载、承载物”。合起来 imposed load 字面即“施加的荷载”,在结构工程中逐渐固定为“使用过程中产生的可变荷载(活荷载)”。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • *Eurocode 1: Actions on structures Part 1-1: General actions Densities, self-weight, imposed loads for buildings (EN 1991-1-1)*(系统使用术语 imposed loads
  • BS 6399: Loading for buildings(英国建筑荷载标准,常见 imposed loads 用法)
  • *Structural Engineering Reference Manual (PPI)*(结构工程备考/参考书中常以 imposed load 讨论可变荷载与组合)
  • ICE Manual of Structural Design: Buildings(工程手册中以 imposed load 描述建筑使用荷载要求)
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