V2EX permanent load

Permanent Load

释义 Definition

permanent load(工程/结构领域)指永久荷载:在结构使用期间长期存在、大小变化很小的荷载,通常来自结构自重以及固定不动的构件/设备(如墙体、楼板、固定管线等)。在很多规范里也常与 dead load(恒载/自重) 概念接近;有的体系把“永久作用(permanent action)”作为更广义术语。

发音 Pronunciation (IPA)

/prmnnt lod/

例句 Examples

The permanent load includes the weight of the slab and beams.
永久荷载包括楼板和梁的重量。

When designing the bridge, engineers combined permanent load with wind and traffic loads to check safety under different limit states.
在桥梁设计中,工程师会把永久荷载与风荷载、车辆荷载一起组合,用于在不同极限状态下进行安全验算。

词源 Etymology

permanent 来自拉丁语 permanere,意为“持续、停留”(per- “贯穿/彻底” + manere “停留”);load 源自古英语,意为“负载、承载的重量”。合起来在工程语境中就表示“长期存在的负载”。

相关词 Related Words

文献作品 Literary / Notable Works

  • EN 1991-1-1 (Eurocode 1): Actions on structures Part 1-1: General actions Densities, self-weight, imposed loads for buildings(欧洲规范体系中常用“permanent actions/loads”等表述)
  • ISO 4354: Wind actions on structures(结构作用分类与组合语境中常与永久作用/荷载并列出现)
  • Structural Analysis(多种版本的结构分析教材中常用“permanent load / dead load”讨论内力与组合)
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