V2EX live load

Live Load

释义 Definition

活载;可变荷载(建筑/结构工程):指在结构使用过程中会随时间变化、可移动或可增减的荷载,例如人员、家具、可移动设备、储物、车辆等对楼板、梁、桥面产生的重量。
(在不同规范中也常称 Imposed Load;与 Dead Load/恒载 相对。)

发音 Pronunciation (IPA)

/lav lod/

例句 Examples

The live load on this office floor includes people and furniture.
这层办公楼板的活载包括人员和家具。

When designing the beam, the engineer combined dead load, live load, and wind load to check the worst-case stress.
在设计梁时,工程师把恒载、活载和风载组合起来,以校核最不利情况下的应力。

词源 Etymology

live 在这里不是“活着的”,而是引申为“会变化的、动态的”(相对于固定不变);load 来自古英语 lād,有“承载、负担”之意。合起来 live load 就表示“随使用情况变化的荷载”,是结构工程中的常用术语。

相关词 Related Words

文学/著作中的用例 Literary Works

  • *International Building Code (IBC)*(《国际建筑规范》)中常用于楼面/屋面设计荷载条款。
  • Francis D. K. Ching, Building Construction Illustrated(《建筑构造图解》)在结构荷载章节中使用该术语。
  • R. C. Hibbeler, Structural Analysis(《结构分析》)在荷载与组合、内力计算示例中频繁出现。
  • Nilson / Darwin / Dolan, Design of Concrete Structures(《混凝土结构设计》)在构件设计与使用阶段荷载取值中使用。
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