Catastrophe analysis on pillar instability considered mining effect

• 作 者: 李东腾 曹平
• 机 构: SchoolotResourcesandSafetyEngineering
• 出 处: 中南工业大学学报：英文版
• 发表日期: 2005年1期
• 关键词: 位能 可塑范围 相关硬度 稳定性 采矿 pillar potential energy cusp catastrophe plastic area relati
• 基金项目: 国家自然科学基金

The instability of the pillar was discussed based on the potential energy principle and the cusp catastrophe theory, and a simplified mechanical model of the pillar was established considering the mining effect. The necessary-sufficient conditions, the ju