不同聚能爆破模式应力波传播及裂纹扩展规律研究

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摘要为研究双向聚能拉伸爆破应力波传播及裂纹演化规律，采用理论分析、数值模拟等方法，研究单孔爆破、连孔爆破、间隔爆破爆炸应力波的传播形式和裂纹扩展规律。结果表明，连孔聚能爆破和间隔聚能爆破的裂纹扩展长度都在水平径向上达到了900 mm，而单孔聚能爆破仅600 mm，说明连孔聚能爆破时应力波的叠加使切向拉应力增大，聚能方向形成了与孔心连线相平行的裂纹，裂纹开裂延伸，直至贯通。间隔爆破时随着应力波的传播，裂纹尖端张拉应力区也不断向前推移，促使裂纹继续发展，直至贯通。该项研究在岩石成型爆破中提供了有效真实的参考依据，具有广阔的应用前景。

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	梁洪达1
	郭鹏飞1
	2
	孙鼎杰1
	叶铿铿1
	邹宝平3
	袁亚迪1

关键词 ：聚能拉伸爆破, 连孔爆破, 间隔爆破, 裂纹扩展

Abstract：In order to study the propagation of stress wave and crack evolution in biaxial energy accumulation blasting, the propagation form and crack propagation law of stress wave in single hole blasting, continuous hole blasting, and deep hole blasting were studied by theoretical analysis and numerical simulation.The results show that the crack propagation length of continuous hole energy accumulation blasting and deep hole energy accumulation blasting is 900 mm in horizontal radius, while that of single hole energy accumulation blasting is only 600 mm, which indicates that the superposition of stress wave increases the tangential tensile stress, and the energy accumulation direction forms cracks is parallel to the hole center line, and the crack extends until it runs through.With the propagation of stress wave in deep hole blasting crack, the tip tension stress zone is also moving forward, promoting the crack to continue to develop until it runs through.This study provides an effective and real reference for rock forming blasting and has a broad application prospect.

Key words： concentrated energy stretching blasting continuous hole blasting deep hole blasting crack propagation

收稿日期: 2019-04-08 出版日期: 2020-02-15

引用本文:

梁洪达1，郭鹏飞1,2，孙鼎杰1，叶铿铿1，邹宝平3，袁亚迪1. 不同聚能爆破模式应力波传播及裂纹扩展规律研究[J]. 振动与冲击, 2020, 39(4): 157-164.
LIANG Hongda1,GUO Pengfei1,2,SUN Dingjie1,YE Kengkeng1,ZOU Baoping3,YUAN Yadi1. A study on crack propagation and stress wave propagation in different blasting modes of shaped energy blasting. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(4): 157-164.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2020/V39/I4/157

[1] 刘健，刘泽功，高魁，等.不同装药模式爆破载荷作用下煤层裂隙扩展特征试验研究[J].岩石力学与工程学报，2016,35（4）：735-742.
Liu Jian, Liu Zegong, Gao Kui, etc. Experimental study of extension characters of cracks in coal seam under blasting load with different charging modes [J]. Chinese Journal of Rock Mechanics and Engineering, 2016, 35 (4): 735 - 742.
[2] 杨仁树，张召冉，杨立云，等.基于硬岩快掘技术的切缝药包聚能爆破试验研究[J].岩石力学与工程学报，2013,32（2）：317-323.
Yang Renshu, Zhang Zhaoran, Yang Liyun, etc. Cumulative blasting experiment study of slotted cartridge based on hard-rock rapid driving technology [J]. Chinese Journal of Rock Mechanics and Engineering, 2013, 32 (2): 317-323.
[3] 郭德勇，赵杰超，吕鹏飞，等.煤层深孔聚能爆破动力效应分析与应用[J].工程科学学报，2016,38（12）：1681-1687.
Guo Deyong, Zhao Jiechao, Lu Pengfei, etc. Dynamic effects of deep-hole cumulative blasting in coal seam and its application [J]. Chinese Journal of Engineering, 2016, 38 (12): 1681-1687.
[4] 郭德勇，赵杰超，张超，等.煤层深孔聚能爆破控制孔作用机制研究[J].岩石力学与工程学报，2018，37（4）：919-930.
Guo Deyong, Zhao Jiechao, Zhang Chao, etc. Mechanism of control hole on coal crack initiation and propagation under deep-hole cumulative blasting in coal seam [J]. Chinese Journal of Rock Mechanics and Engineering, 2018, 37 (4): 919-930.
[5] 郭德勇，裴海波，宋建成，等.煤层深孔聚能爆破致裂增透机理研究[J].煤炭学报，2008,33（12）：1381-1385.
Guo Deyong, Pei Haibo, Song Jianchang, etc. Study on spliting mechanism of coal bed deephole cumulative blasting to improve permeability [J]. Journal of China Coal Society, 2008, 33 (12): 1381-1385.
[6] 郭德勇，张超，朱同功，等.装药结构对煤层深孔聚能爆破增透的影响[J].工程科学学报，2018,40（12）:1488-1494.
Guo Deyong, Zhang Chao, Zhu Tonggong, etc. Effect of charge structure on deep-hole cumulative blasting to improve coal seam permeability [J]. Chinese Journal of Engineering, 2018, 40 (12): 1488-1494.
[7] 何满潮，高玉兵，杨军，等.无煤柱自成巷聚能切缝技术及其对围岩应力演化的影响研究[J].岩石力学与工程学报，2017,36（6）：1314-1325.
He Manchao, Gao Yubing, Yang Jun, etc. An energy-gathered roof cutting technique in no-pillar mining and its impact on stress variation in surrounding rocks [J]. Chinese Journal of Rock Mechanics and Engineering, 2017, 36 (6): 1314-1325.
[8] Kutter H.K. and Fa1681-1687irhurst C.F. On the fracture process in blasting[J]. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts,1971,18(8):181-202.
[9] 杨仁树，左进京，宋俊生，等，爆炸应力波作用下空孔周围裂纹群的扩展规律[J].振动与冲击，2018（14）：74-78.
Yang Renshu, left into Beijing, Song Junsheng, et al., Experimental study on the extension rule of crack group around a hole under explosive stress wave [J]. Journal of Vibration and Shock, 2018 (14)：74-78.
[10] 马文伟，李江涛，梁文勖，等，爆炸应力波作用下岩石破坏数值分析[J].煤矿安全，2015，09.（053）：188-195.
Ma Wenwei, Li Jiangtao, Liang Wenxu, et al., Numerical analysis of rock damage under the action of explosive stress wave [J]. Safety in Coal Mines, 2015，09.（053）：188-195.
[11] 王观石，李长洪，胡世丽，等，岩体中应力波幅值随时空衰减的关系[J].岩土力学，2010.11（31）：3487-3492.
Wang Guanshi, Li Changhong, Hu Shili, et al. A study of time-and spatial-attenuation of stress wave amplitude in rock mass [J]. Rock and Soil Mechanics, 2010.11 (31)：3487-3492.
[12] Qi-feng Zhu, Zheng-xiang Huang, Qiang-qiang Xiao, et al.Theoretical and Experimental Study of Shaped Charge Jet Penetration into High and Ultra-high Strength Concrete Targets[J].International Journal of Impact Engineering,2018.04,(010).
[13] 何满潮，曹伍富，单仁亮，等，双向聚能拉伸爆破新技术[J].岩石力学与工程学报，2003,22（12）：2047-2051.
He Manchao, Cao Wu-fu, Shan Ren-Liang, et al., New blasting technology--bilateral cumulative tensile explosion [J]. Chinese Journal of Rock Mechanics and Engineering, 2003, 22 (12): 2047-2051.
[14] 陈寿峰，薛士文，高伟伟，等，岩石聚能爆破试验与数值模拟研究[J].爆破，2012, 29(4)：14-18+75.
Chen Shou-feng, Xue Shiwen, Gao Weiwei, et al., Experimental study and numerical simulation of rock shaped charge blasting [J]. Blasting, 2012, 29(4)：14-18+75.
[15] 黄庆显，王金梁，等，坚硬岩石聚能爆破破岩效果数值分析[J].煤矿安全，2013, 44(10)：189-191.
Huang Qingxian, Wang Jinliang, et al., Numerical analysis on breaking effect of shaped charge blasting for hard rock [J]. Safety in Coal Mines, 2013, 44(10)：189-191.
[16] 周亚洲，勾东东，程志超，等，聚能爆破破岩效果数值模拟分析[J].煤矿安全，2014, 45(12)：218-220.
Zhou Asia, Gou Dong-dong, Cheng Zhi-Chao, et al., Numerical simulation analysis on rock breaking effect by shaped charge blasting technology [J]. Safety in Coal Mines, 2014, 45(12)：218-220.
[17] 陈哲浩，戴俊，岩石中相邻炮孔爆破裂缝演化研究[D].西安科技大学.2016.06.
[18] 张凯，黄文尧，陈秋宇，等，控制孔定向致裂机理的研究及应用[J].爆破，2014, 31(1)：16-18+31.
Zhang Kai, Huang Wenyao, Chen Qiuyu, et al., Mechanism research of directional fracturing of control hole and application [J]. Blasting, 2014, 31(1)：16-18+31.
[19] Kaiyun Liu and Baoguo Liu.Optimization of smooth blasting parameters for mountain tunnel construction with specified control indices based on a GA and ISVR coupling algorithm[J].Tunnelling and Underground Space Technology,2017,70:363-374.
[20] 张树川，刘泽功，刘健，等，爆破载荷作用下控制孔增透作用机理试验研究[J].振动与冲击，2017，36（24）：213-219.
Zhang Shuchuan, Liu Zegong, Liu Jian, et al., Tests for control hole's enhanced permeability mechanism under blasting load [J]. Journal of Vibration and Shock, 2017，36 (24)：213-219.
[21] Wei Chen,Honghao Ma ,Zhaowu Shen, et al.Experiment research on the rock blasting effect with radial jet cracker[J].Tunnelling and Underground Space Technology,2015,(49):249-252.
[22] Agesh Markose and C. Lakshmana Rao.Mechanical response of V shaped plates under blast loading[J].Thin-Walled Structures,2017,(115):12-20.
[23] G.N. Nurick, S Mahoi, G.S. Langdon. The response of plates subjected to loading arising from the detonation of different shapes of plastic explosive[J].International Journal of Impact Engineering,2015.11,(012):1-31.