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| 高压水射流扩孔效果的研究 | |
| 引用本文： | 谢正红,王耀锋,段东,闫斌移,王海东.高压水射流扩孔效果的研究[J].煤矿安全,2009,40(4). |
| 作者姓名： | 谢正红 王耀锋 段东 闫斌移 王海东 |
| 作者单位： | 1. 煤炭科学研究总院沈阳研究院,辽宁,抚顺,113212 2. 煤炭科学研究总院沈阳研究院,辽宁,抚顺,113212;东北大学资源土木工程学院,辽宁,沈阳,110004 3. 煤炭科学研究总院沈阳研究院,辽宁,抚顺,113212;中国地震局工程力学研究所,黑龙江,哈尔滨,150082 |
| 摘 要： | 理论分析确定单孔破碎区半径,以现场煤岩力学参数为依据,建立数学模型,采用数值方法对不同孔径高压水射流扩孔过程进行模拟,结合单孔破碎区半径及现场穿岩层钻孔试验研究结果比较分析。结果表明高压水射流扩孔效果明显,是一个经济可行的技术途径技术,为提高低透气性煤层的瓦斯抽放效果提供了有效途径。 |
| 关 键 词： | 高压水射流 扩孔 RFPA2D 数值模拟 |
Study of Effect on Bore Enlarging by High-pressure Waterjet |
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| XIE Zheng-hong,WANG Yao-feng,DUAN Dong,YAN Bin-yi,WANG Hai-dong.Study of Effect on Bore Enlarging by High-pressure Waterjet[J].Safety in Coal Mines,2009,40(4). | |
| Authors: | XIE Zheng-hong WANG Yao-feng DUAN Dong YAN Bin-yi WANG Hai-dong |
| Affiliation: | 1.Shenyang Branch of China Coal Research Institute;Fushun 113212;China;2.School of Resources and Civil Engineering;NortheasternUniversity;Shenyang 110004;3.Institute of Engineering Mechanics;China Earthquake Administration;Haerbin 150082;China |
| Abstract: | The simulation analysis on different apertures that are expanded using high-pressure waterjet is carries out by adopt numerical method,it is comparatively analyzed combining with crack area of the radius and the results of scene experiment.Our finding are: technique of high-pressure waterjet expanding borehole is one of economic methods provided on improving effect of gas drainage from Low permeability of coal seam |
| Keywords: | RFPA2D |
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