Volume 3, Issue 4, December 2018, Page: 76-82
Research and Application of Shaft Excavation by Deep Hole One-Time Blasting Technology
Chen Shengyun, Research Institute for National Defense Engineering of Academy of Military Science PLA China, Beijing, China
Wang Xueming, Research Institute for National Defense Engineering of Academy of Military Science PLA China, Beijing, China
Zhang Ao, Research Institute for National Defense Engineering of Academy of Military Science PLA China, Beijing, China
Wu Huajie, Research Institute for National Defense Engineering of Academy of Military Science PLA China, Beijing, China
Wang Jing, Research Institute for National Defense Engineering of Academy of Military Science PLA China, Beijing, China
Zheng Lei, Research Institute for National Defense Engineering of Academy of Military Science PLA China, Beijing, China
Li Fengling, Research Institute for National Defense Engineering of Academy of Military Science PLA China, Beijing, China
Received: Nov. 15, 2018;       Accepted: Dec. 11, 2018;       Published: Jan. 14, 2019
DOI: 10.11648/j.ijmpem.20180304.11      View  249      Downloads  31
Abstract
In the construction of subway, tunnel, mining and other underground projects, in order to speed up the construction progress, it is often necessary to excavate a shaft first and then dig at both ends of tunnel at the same time. The shaft excavation is a difficult problem in underground engineering. At present, the shaft excavation construction mainly adopts upward construction method and downward construction method, which are characterized by high labor intensity, high risk coefficient and slow construction speed. In order to realize the efficient excavation of vertical shafts, this paper presents a technology of deep hole one-time blasting into wells. Based on theoretical analysis and practical shaft engineering, the blasting parameters of the deep hole one-time blasting technology are given, such as hole diameter, spacing, layout, charge structure and blasting sequence of each hole, and the technical scheme is formed finally. The technology is applied in a shaft excavation construction in Changping District, Beijing of China and good results are obtained, which proves that the technique is feasible.
Keywords
Shaft Excavation, Deep Hole, One-Time Blasting, Millisecond Controlled Blasting
To cite this article
Chen Shengyun, Wang Xueming, Zhang Ao, Wu Huajie, Wang Jing, Zheng Lei, Li Fengling, Research and Application of Shaft Excavation by Deep Hole One-Time Blasting Technology, International Journal of Mineral Processing and Extractive Metallurgy. Vol. 3, No. 4, 2018, pp. 76-82. doi: 10.11648/j.ijmpem.20180304.11
Copyright
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Reference
[1]
Hailiang Wang, Chengren Lan. Engineering Blasting, 3rd ed.; Publisher: China Railway Industry Press: Beijing, China, 2008.
[2]
Dongwang Zhong, Li He. Accurate delay controlled blasting of near slope and vibration analysis, 3rd ed.; Publisher: Science Press: Beijing, China, 2015.
[3]
Yuntong Liu, Wenxue Gao, Honggang Liu. Modern highway engineering blasting, 3rd ed.; Publisher: People’s Communications Press: Beijing, China, 2006.
[4]
Qiyue Li, Xibing Li, Zuopeng Fan, “One Time Deep Hole Raise Blasting Technology and Case Study,” Chinese Journal of Rock Mechanics and Engineering, 2013, Vol. 32 (04), pp. 664-670.
[5]
Tingchun Li, Hongqiang Liu, Chao Wang, “Study of millisecond blasting technology of shaft Excavation by one-step deep-hole blasting,” Rock and Soil Mechanics, 2012, Vol. 33 (06), pp. 1742-1746.
[6]
Wenle Gao, Bo Huang, Weiguo Bi, Hongtao Ma, “Whole-Height Blasting Technology to Once Well Completion in Underground Coal Warehouse,” BLASTING, 2011, Vol. 28 (01), pp. 40-44.
[7]
Chau K T, Zhu W C, Tang C A, “Numerical simulations of failure of brittle solids under dynamic impact using a new computer program-DIFAR,” Key Engineering Materials, 2004, Vol. 261-263, pp. 239-244.
[8]
Yiping Zhang, Chunlin Weng, “A New method of Cut-blasting for Vertical Shaft excavation and its Experiental Study,” Journal of coal science & engineering, 2010, Vol. 16 (1), pp. 17-22.
[9]
M. L. Race, R. A. Coffman, “Response of a drilled shaft foundation constructed in a re-drilled shaft excavation following collapse,” The Journal of the Deep Foundations Institute, 2015, Vol. 9 (2), pp. 60-73.
[10]
Qiyue Li, Kai Liu, Xibing Li, Zewei Wang, Lei Weng, “Cutting parameter optimization for one-step shaft excavation technique based on parallel cutting method,” Transactions of Nonferrous Metals Society of China, 2018, Vol. 28 (7), pp. 1413-1423.
[11]
Xianzhan Chen, Sheng Xue, Liang Yuan, “Coal seam drainage enhancement using borehole presplitting basting technology–A case study in Huainan,” International Journal of Mining Science and Technology, 2017, Vol. 27 (5), pp. 771-775.
[12]
Carlos Garza, Raj Das, Anton Shterenlikht, Martyn Pavier, “Measurement of assembly stress in composite structures using the deep-hole drilling technique,” Composite Structures, 2017, Vol. 202, pp. 119-126.
[13]
Zhu W C, Tang C A, Huang Z P, “A numerical study of the effect of loading conditions on the dynamic failure of rock,” International Journal of Rock Mechanics and Mining Sciences, 2004, Vol. 41 (3), pp. 424-424.
[14]
Zhu W C, Tang C A, “ Numerical simulation of Brazilian disk rock failure under static and dynamic loading,” International Journal of Rock Mechanics and Mining Sciences, 2006, Vol. 43 (2), pp. 236-252.
[15]
Jun Dai. Rock-soil Dynamics and Blasting Theory, 3rd ed.; Publisher: Metallurgical Industry Press: Beijing, China, 2013.
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