[1]熊炎林①,种玉配①,齐燕军②,等.聚能爆破在隧道开挖成型控制中的仿真试验研究[J].爆破器材,2019,48(04):54-59.[doi:10.3969/j.issn.1001-8352.2019.04.010]
　XIONG Yanlin,ZHONG Yupei,QI Yanjun,et al.Simulation Test of Shaped Charge Blasting in Shaping Control of Tunnel Excavation[J].EXPLOSIVE MATERIALS,2019,48(04):54-59.[doi:10.3969/j.issn.1001-8352.2019.04.010]
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聚能爆破在隧道开挖成型控制中的仿真试验研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
48
期数:
2019年04
页码:
54-59
栏目:
爆破技术
出版日期:
2019-07-04

文章信息/Info

Title:
Simulation Test of Shaped Charge Blasting in Shaping Control of Tunnel Excavation
文章编号:
5346
作者:
熊炎林①; 种玉配①; 齐燕军②; 刘书奎②
①中铁隧道局集团有限公司勘察设计研究院（广东广州，511400）
②中国矿业大学力学与土木工程学院（江苏徐州，221116）
Author(s):
XIONG Yanlin①;  ZHONG Yupei①;  QI Yanjun②;  LIU Shukui②
①Survey Design and Research Institute of China Railway Tunnel Group Co., Ltd. (Guangdong Guangzhou, 511400)
②School of Mechanics and Civil Engineering, China University of Mining and Technology (Jiangsu Xuzhou, 221116)
关键词:
聚能爆破; 开挖; 超欠挖; 数值模拟; 现场试验
Keywords:
shaped charge blasting;  excavation;  overbreak and underbreak;  numerical simulation;  field test
分类号:
U455.6
DOI:
10.3969/j.issn.1001-8352.2019.04.010
文献标志码:
A
摘要:
为了提高水平岩层隧道光面爆破效果，减少隧道爆破开挖超欠挖量，提高施工速度和减少工程投资，以段家坪隧道为例，采用数值模拟和现场试验对聚能爆破在隧道开挖成型控制中的作用进行研究。数值模拟结果表明，聚能结构一侧上的围岩节点振动速度和单元应力均大于非聚能结构一侧。现场聚能爆破试验表明，周边眼聚能装药结构能够更好地控制水平砂泥岩地层隧道爆破成型，大部分超挖量控制在15 cm以内，最大超挖量减少了78.9%。
Abstract:
In order to improve the smooth blasting effect of horizontal rock tunnel, reduce the overbreak and underbreak, increase the construction speed and reduce the project investment, by taking Duanjiaping tunnel as an example, the control of shaped charge blasting in tunnel excavation was studied by numerical simulation and field test. Numerical simulation results show that vibration velocity and unit stress of surrounding rock particles on one side of the energy-accumulating structure are greater than those on the other side of the non-energy-accumulating structure. Field tests show that the surrounding eyeball shaped charge structure can better control the blasting formation of tunnels in horizontal sand and mudstone strata. Most of the over-excavation was controlled within 15 cm, and the maximum over-excavation is reduced by 78.9%.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2019-04-10
基金项目：国家自然科学基金（51608520）；中铁隧道局集团有限公司科技创新计划（2015-13）
第一作者：熊炎林（1982－），男，本科，高级工程师，主要从事隧道与地下工程科研与管理工作。E-mail:16045414@qq.com
通信作者：种玉配（1991－），男，硕士，助理工程师，主要从事隧道与地下工程科研与管理工作。E-mail:815501773@qq.com
更新日期/Last Update: 2019-07-04