Cusp Catastrophe Model of Water-inrush from Collapse Column

被引：0
|
作者：
Li Zhenhua [1 ,2 ]
Xu Gaoming [2 ]
Li Jianbo [2 ]
Ding Xinpin [2 ]
机构：
[1] Henan Polytech Univ, Sch Energy Sci & Engn, Jiaozuo 454010, Peoples R China
[2] China Univ Min & Technol, Sch Resource & Safety Engn, Beijing 100083, Peoples R China
来源：
2010 INTERNATIONAL CONFERENCE ON MINE HAZARDS PREVENTION AND CONTROL | 2010年 / 12卷
关键词：
Mining Engineering; Collapse Column; Mine Water Disaster; Cusp Catastrophe Model;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The water-inrush from collapse column is a typical nonlinear process of balance-deflection state. Mechanical model of collapse column top is established and the expression of total potential energy function is derived. Then the cusp catastrophe model for the water-inrush of collapse column is set up by catastrophe theory. The formula of necessary and sufficient condition for the water-inrush of collapse column is obtained. In the mean time, the mechanism water-inrush of collapse column and the main factors that affect the water-inrush are analyzed. The establishment of model is of great significance to judge and prevent the water-inrush from collapse column.
引用
收藏
页码：397 / +
页数：3
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