|本期目录/Table of Contents|

[1]王春华,王超,陈奕帆.基于钻杆推力法结合钻杆位移预测围岩应力的研究[J].中国安全生产科学技术,2017,13(11):22-26.[doi:10.11731/j.issn.1673-193x.2017.11.004]
 WANG Chunhua,WANG Chao,CHEN Yifan.Study on prediction of surrounding rock stress based on drill pipe thrust method combined with drill pipe displacement[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(11):22-26.[doi:10.11731/j.issn.1673-193x.2017.11.004]
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基于钻杆推力法结合钻杆位移预测围岩应力的研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
13
期数:
2017年11期
页码:
22-26
栏目:
学术论著
出版日期:
2017-11-30

文章信息/Info

Title:
Study on prediction of surrounding rock stress based on drill pipe thrust method combined with drill pipe displacement
文章编号:
1673-193X(2017)-11-0022-05
作者:
王春华12王超1陈奕帆3
(1.辽宁工程技术大学 机械工程学院,辽宁 阜新 123000;2.沈阳航空航天大学 机电工程学院,辽宁 沈阳 110000; 3.南京师范大学 地理科学学院,江苏 南京 210000)
Author(s):
WANG Chunhua12 WANG Chao1 CHEN Yifan3
(1. School of Mechanical Engineering, Liaoning Technical University, Fuxin Liaoning 123000, China; 2. School of Mechanic and Electronic Engineering, Shenyang Aerospace University, Shenyang Liaoning 110000, China; 3. School of Geography, Nanjing Normal University, Nanjing Jiangsu 210000, China)
关键词:
煤体应力钻杆推力钻杆位移冲击地压
Keywords:
coal stress drill pipe thrust drill pipe displacement rock burst
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2017.11.004
文献标志码:
A
摘要:
为准确预测矿井冲击地压的发生规律,基于钻杆推力法结合钻杆位移理论,建立钻杆力学模型,利用新型钻削设备,结合钻削采集测试试验。根据试验数据绘出在不同围压轴压下推力、位移随时间的变化曲线,对应力变化进行预测。根据建立动力学模型及公式推导进而得出预测冲击地压的规律,通过测试钻杆推力估算煤体应力的大小,进而预测冲击地压的危险性。研究结果为煤矿动力灾害预测预报提供一定的理论与实验基础。
Abstract:
In order to predict the occurrence regularity of mine rock burst accurately, a mechanical model of drill pipe was established based on the drill pipe thrust method combined with the drill pipe displacement theory. The new drilling equipment was combined with the tests of drilling cuttings collection. The change curves of thrust and displacement with time under different confining pressures were obtained by using the experimental data, and the change of stress was predicted. Based on the establishment of dynamic model and the formula deduction, the laws of predicting rock burst were derived. The stress of coal body was estimated by testing the drill pipe thrust, then the risk of rock burst was predicted. The results provide a certain theoretical and experimental basis for the prediction and forecast of dynamic disaster in coal mine.

参考文献/References:

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相似文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金项目(51374120)
更新日期/Last Update: 2017-12-27