V2EX compressive strength

Compressive Strength

Definition / 定义

抗压强度:材料在受压(被压缩)条件下,单位面积所能承受的最大应力而不发生破坏的能力。常用于描述混凝土、岩石、陶瓷、泡沫材料等的承载性能(不同材料的测试方法与标准可能不同)。

Pronunciation / 发音

/ kmprsv streθ /

Examples / 例句

The concrete has a compressive strength of 40 MPa.
这种混凝土的抗压强度为 40 兆帕。

After 28 days of curing, the specimen’s compressive strength increased significantly, indicating improved microstructure and reduced porosity.
经过 28 天养护后,试件的抗压强度显著提高,说明其微观结构更致密、孔隙率降低。

Etymology / 词源

compressive 源自拉丁语 comprimere(“压紧、挤压”),强调“施加压力使体积变小”的动作;strength 源自古英语 strengu(“力量、强度”)。组合成 compressive strength 后,成为材料与结构工程中的常用术语,用来量化“在受压状态下能承受多大压力”。

Related Words / 相关词

Notable Works / 相关著作与标准

  • ASTM C39/C39M(Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens)
  • ACI 318(Building Code Requirements for Structural Concrete)
  • Gere & Goodno, Mechanics of Materials(《材料力学》常用教材,讨论抗压强度等材料性能)
  • Mehta & Monteiro, Concrete: Microstructure, Properties, and Materials(混凝土微结构与性能经典著作,涉及抗压强度与孔隙结构关系)
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