V2EX self-weight

Self-Weight

Definition|释义

Self-weight 指“自重”,即物体或结构自身由于重力产生的重量/荷载。在土木、结构与机械工程中常作为一种永久荷载(dead load)参与计算。(在少数语境里也可泛指“自身重量”,但工程用法最常见。)

Pronunciation|发音(IPA)

/self wet/

Examples|例句

The bridge was designed to support its self-weight and the weight of traffic.
这座桥的设计需要承受其自重以及车辆荷载。

When calculating deflection, engineers must include self-weight, wind load, and possible seismic effects to ensure safety.
在计算挠度时,工程师必须把自重、风荷载以及可能的地震作用都考虑进去,以确保安全。

Etymology|词源

该词为现代工程英语中的复合词:self-(“自身的”)+ weight(“重量”)。合在一起强调“不是外加的重量”,而是结构或构件本身材料在重力作用下产生的重量,因此常用于“自重荷载”的概念表达。

Related Words|相关词汇

Literary Works|文学/著作中的用例

  • Roark’s Formulas for Stress and Strain(《罗克材料力学公式》):常在梁、板等计算中讨论包含自重的载荷效应。
  • Structural Analysis(如 Hibbeler 等教材的《结构分析》):在内力、挠度与荷载组合章节中频繁使用 “self-weight”。
  • Design of Concrete Structures(《混凝土结构设计》类教材):在构件设计与长期效应计算里常将自重作为基本永久作用之一。
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