V2EX pore pressure

Pore Pressure

定义 Definition

孔隙压力:指土体或岩石等多孔介质中,孔隙内流体(通常是水或油气)的压力。它会显著影响有效应力、稳定性与渗流行为;在岩土工程与油藏工程中非常关键。(也常写作 pore-water pressure 指孔隙水压力。)

发音 Pronunciation (IPA)

/pr prr/

例句 Examples

The pore pressure increased after the heavy rain.
暴雨过后,孔隙压力上升了。

If pore pressure builds up faster than it can dissipate, the effective stress drops, which may trigger slope failure or soil liquefaction.
如果孔隙压力累积速度超过消散速度,有效应力就会降低,从而可能引发边坡失稳或土体液化。

词源 Etymology

Pore 来自表示“孔、微小开口”的词根(与“多孔的”概念相关),pressure 源于“压、施压”的含义。两者组合成工程术语 pore pressure,直译即“孔隙中的压力”,用于描述多孔介质孔隙流体对周围骨架的压力作用。

相关词 Related Words

文学与著作 Literary Works

  • Soil Mechanics in Engineering Practice(Karl Terzaghi, Ralph B. Peck, Gholamreza Mesri)
  • Theoretical Soil Mechanics(Karl Terzaghi)
  • Principles of Geotechnical Engineering(Braja M. Das)
  • Fundamentals of Soil Behavior(James K. Mitchell, Kenichi Soga)
  • Petroleum Engineering Handbook(Society of Petroleum Engineers, SPE)
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