钢结构构件在高应力集中区脆性破坏倾向性

THE BRITTLE FRACTURE TENDENCY OF STEEL STRUCTURES WITH HIGH STRESS CONCENTRATION

摘要: 含高应力集中钢结构构件的厚度是影响其发生脆性破坏的一个重要因素,它的影响是和其应力集中区的复杂应力状态相联系的。本文介绍含缺口的受拉钢构件应力应变关系在不同厚度和缺口曲率半径情况下的变化及其对构件发生脆性破坏可能性的影响。
- 脆性破坏 /
- 应力集中 /
- 平面应变状态 /
- 极限厚度
Abstract: The thickness of steel elements with high stress concentration is a very important factor for brittle fracture. Its effects depend on the complex stress state for the stress concentration area. In this paper,the change of stress-strain state in tensile steel members with different thicknesses and notch radius are investigated. Its influence on the brittle fracture is also discussed.
- brittle fracture /
- stress concentration /
- plane strain state /
- critical thickness