V2EX total stress

Total Stress

释义 Definition

total stress(总应力/总压力):在力学与岩土工程中,指材料或土体所承受的总体应力,通常包含由外荷载产生的应力以及孔隙水压力等因素(与 effective stress “有效应力”相对)。在一般语境中也可指“总体压力/总的紧张程度”(心理或生活压力的总量)。

发音 Pronunciation (IPA)

/totl strs/

例句 Examples

The total stress increases as the load gets heavier.
随着荷载变重,总应力会增加。

In saturated clay, total stress may rise quickly after loading, while effective stress changes more slowly because pore water pressure dissipates over time.
在饱和黏土中,加载后总应力可能迅速上升,但由于孔隙水压力会随时间消散,有效应力的变化往往更慢。

词源 Etymology

total 来自拉丁语 totalis(“整体的、全部的”);stress 来自中古法语 estrece/estresse(与“压迫、紧张”相关),后来在英语中发展出“应力/压力、紧张”的含义。组合成 total stress 时,通常强调“把各部分因素合在一起的整体应力”。

相关词 elated Words

文学与著名作品 Literary & Notable Works

  • Karl Terzaghi 等:Soil Mechanics in Engineering Practice(《工程实践中的土力学》)讨论总应力、孔隙水压力与有效应力的经典教材/专著。
  • D. W. TaylorFundamentals of Soil Mechanics(《土力学基础》)常以“total stress”与“effective stress”的对比来解释固结与强度问题。
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