Practice of Bedrock Well Drilling by Foam DTH Hammer
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Author:
- HAN Shang-xiao
HAN Shang-xiao
Institute of Hydrogeology and Engineering Geology, Bureau of Geology and Mineral Resources Investigation of Gansu Province
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Search for this author on this site - YANG Xiao-qi
YANG Xiao-qi
Bureau of Geology and Mineral Resources Investigation of Gansu Province
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Affiliation:
Institute of Hydrogeology and Engineering Geology, Bureau of Geology and Mineral Resources Investigation of Gansu Province,Bureau of Geology and Mineral Resources Investigation of Gansu Province
Clc Number:
P634.5
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Abstract:
With the construction case of a bedrock well in an iron ore mine of Gansun, which was 310 mm in diameter and constructed by foam DTH hammer, the paper summed up and verified the application of foam DTH hammer technology in large diameter bedrock well construction and presents drilling technologies in different borehole sections.
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History
- Received:May 30,2013
- Revised:May 30,2013
- Adopted:June 06,2013
- Online: October 29,2013
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