V2EX shear strength

Shear Strength

定义 Definition

剪切强度:材料或连接件在剪切力作用下,抵抗沿截面“滑移/错开”而发生破坏的能力。常用于描述胶黏剂、螺栓/铆钉连接、金属与复合材料、土体与岩石等在剪切载荷下的承载极限。(该术语在不同学科里也可能有更具体的定义与试验方法。)

发音 Pronunciation

/r strθ/
/ strθ/

例句 Examples

The adhesive has high shear strength.
这种胶黏剂的剪切强度很高。

Design codes require the bolt’s shear strength to exceed the factored load under combined shear and tension.
设计规范要求螺栓在剪切与拉力共同作用下的剪切强度必须大于折算后的设计荷载。

词源 Etymology

shear 源自古英语 sceran,意为“切、剪、割”,引申为材料在力作用下发生“沿面切滑”的变形方式;strength 源自古英语 strengu,表示“力量、强度”。组合成 shear strength 后,成为工程与材料领域的常用术语,用来量化“抵抗剪切破坏的能力”。

相关词 Related Words

文学与经典著作 Literary Works

  • Mechanics of Materials(Gere & Timoshenko,材料力学经典教材)
  • Strength of Materials(Timoshenko,工程力学与材料强度的重要著作)
  • Roark’s Formulas for Stress and Strain(Roark,应力与应变公式手册,工程中常引用)
  • Engineering Materials(Ashby & Jones,工程材料学教材,常讨论不同材料的剪切/强度指标)
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