| 水力挤出煤体破裂数值模拟试验研究 |
| |
| 引用本文： | 刘家东,滑俊杰.水力挤出煤体破裂数值模拟试验研究[J].煤矿安全,2012,43(1):9-11. |
| |
| 作者姓名： | 刘家东 滑俊杰 |
| |
| 作者单位： | 1. 河南煤化集团鹤壁煤业公司,河南鹤壁,458010
2. 山西兰花集团玉溪煤矿,山西沁水,048214 |
| |
| 摘 要： | 为了选取水力挤出措施最佳注水参数,提高防突效果,用数值模拟方法定量分析高压注水作用下的煤体起裂、裂纹扩展延伸和挤出过程。采用数值模拟软件RFPA2D研究注水过程中注水孔周围煤体应力场、水压梯度分布场和位移矢量场的变化规律。通过模拟得出注水参数和各种因素之间的关系,为注水参数合理配置提供了依据。
|
| 关 键 词： | 水力挤出 应力场 水压分布场 位移矢量场 |
Study on Hydraulic Extrusion Coal Fracturing by Numerical Simulation Test |
| |
| LIU Jia-dong,HUA Jun-jie.Study on Hydraulic Extrusion Coal Fracturing by Numerical Simulation Test[J].Safety in Coal Mines,2012,43(1):9-11. |
| |
| Authors: | LIU Jia-dong HUA Jun-jie |
| |
| Affiliation: | 1.Hebi Coal Industry Company,Henan Coal Chemical Group,Hebi 458010,China;2.Yuxi Coal Mine,Shanxi Orchid Group,Qinshui 048214,China) |
| |
| Abstract: | In order to select the best injection parameters of water hydraulic extrusion,improve the outburst effect,the paper quantificationally analyzed the process of coal initiation,crack extension and extrusion under high pressure water infusion with the method of numerical simulation,studied the variation in water injection process of coal stress field,hydraulic gradient distribution field,displacement vector field around water injection hole by numerical simulation software RFPA2D.The relationships between the injection parameters and the other factors were obtained by simulating,which provided the basis for rational allocation of water parameters. |
| |
| Keywords: | hydraulic extrusion stress field hydraulic distribution field displacement vector field |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
