- LI Jing
LI Jing
No.4 Geological Brigade, North China Geological Exploration Bureau
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Search for this author on this site - WANG Qun-wei
WANG Qun-wei
The 13th Construction Co., Ltd. of China National Chemical Engineering
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Search for this author on this site - PANG Shao-qing
PANG Shao-qing
No.4 Geological Brigade, North China Geological Exploration Bureau
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Search for this author on this site - LI Guo-dong
LI Guo-dong
No.4 Geological Brigade, North China Geological Exploration Bureau
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No.4 Geological Brigade, North China Geological Exploration Bureau,No.4 Geological Brigade, North China Geological Exploration Bureau,The 13th Construction Co., Ltd. of China National Chemical Engineering,No.4 Geological Brigade, North China Geological Exploration Bureau
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The factors that influence DTH hammer efficiency are analyzed and the mathematical model is established based on the experimental data. The sensitivity analysis is made on each influencing factor by grey relation analysis method to obtain the correlation degree of each factor and the drilling speed. By using the sensitivity analysis results, the scientific measures can be adopted to improve the drilling efficiency of pneumatic DTH hammer.
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History
- Received:May 05,2014
- Revised:May 05,2014
- Adopted:November 17,2014
- Online: January 07,2015
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