Testing study of subcritical crack growth velocity and fracture toughness of marble

• 作 者: 李江腾 曹平 袁海平
• 机 构: SchoolofResourcesandSafetyEngineering
• 出 处: Journal of Coal Science & Engineering(China)
• 发表日期: 2005年1期
• 关键词: 亚临界爆裂 转矩 大理石 岩石工程力学 marble double-torsion specimens fracture toughness subcri

Subcritical crack growth of double torsion specimens made of marble was studied using Instron1342 type electro hydraulic servo test machine. The relations of the mode-Ⅰ stress intensity factor KI versus the subcritical crack growth velocity V and the frac