[1]李峰.台阶爆破逐孔起爆网路的设计与应用[J].爆破器材,2021,50(02):58-64.[doi:10.3969/j.issn.1001-8352.2021.02.012]
　LI Feng.Design and Application of Hole-by-Hole Initiation Network in Bench Blasting[J].EXPLOSIVE MATERIALS,2021,50(02):58-64.[doi:10.3969/j.issn.1001-8352.2021.02.012]
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台阶爆破逐孔起爆网路的设计与应用()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
50
期数:
2021年02
页码:
58-64
栏目:
爆破技术
出版日期:
2021-04-09

文章信息/Info

Title:
Design and Application of Hole-by-Hole Initiation Network in Bench Blasting
文章编号:
5546
作者:
李峰
中铁十二局集团第二工程有限公司（山西太原，030024）
Author(s):
LI Feng
No. 2 Engineering Co., Ltd., China Railway 12th Bureau Group (Shanxi Taiyuan, 030024)
关键词:
台阶爆破; 逐孔起爆; 起爆网路设计; 最佳延期时间; 导爆管雷管
Keywords:
bench blasting;  hole-by-hole initiation;  initiation network design;  best delay time;  nonel detonator
分类号:
O389
DOI:
10.3969/j.issn.1001-8352.2021.02.012
文献标志码:
A
摘要:
将导爆管雷管用于逐孔起爆网路设计中，结合雷管段别设置和延期误差，确定出25 ms（MS2）、50 ms（MS3）作为炮孔的最佳延期时间；利用正态分布概率模型进行定量分析，得到该延期时间能够提高地震波干扰降振的概率,避免多孔齐发、后排先爆现象的发生；结合Visual Basic编程语言和计算机辅助设计（CAD），开发了台阶爆破逐孔起爆网路设计系统，实现延时爆破网路设计的可视化和智能化。经实践表明：该系统设计的起爆网路，爆后岩石块度均匀，大块率低，爆破振动明显降低，无飞石、滚石侵限的发生，爆破效果良好。
Abstract:
Nonel detonator was used in the design of the hole-by-hole detonation network. Combined with the detonator segment setting and delay error, 25 ms (MS2) and 50 ms (MS3) were determined as the best delay time of blast holes. Normal distribution probability model was used for quantitative analysis, which shows that the delay time mentioned above can improve the probability of vibration reduction by interference of seismic wave, avoiding the occurrence of multi-hole initiation and back-row advanced initiation. Visual Basic programming language and powerful drawing function of CAD were adopted to develop the network design system of bench blasting which can realize the visualization and intelligence of the millisecond blasting network design. The blasting network designed by this system was applied in bench blasting. It shows that the rock block degree is uniform, the block rate is low and the blasting vibration is reduced obviously. There is no flying stone or rolling rock into the limit. The blasting outcome is good.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2020-11-15
第一作者：李峰（1981－），男，高级工程师，主要从事土建、道路桥梁的研究。E-mail：39721073@qq.com
更新日期/Last Update: 2021-04-09