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| New Technology Study and Application of Quick Construction of Vertical Shaft above Goaf |
| SHANG Xiang-chao, WANG Yue-xing |
| Production Department, Handan Mining Industry Group, Jizhong Energy, Handan 056000, China |
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Abstract The original mine ground industrial unexploited coal of Julong Mining Companny was about 2 million tons, in order to free the coal above and the shaft, through demonstration, to build a new vertical shaft and industrial square affected by goaf nearby original shaft was settled. Quick construction of vertical shaft above goaf in Julong Company broadened application scope of vertical shaft construction conditions, which had wide application prospect. for similar mines.
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