[1]陈正林,蒲文明,陈钒,等.张家岩隧道水平层状泥岩段爆破优化研究[J].西安建筑科技大学学报(自然科学版),2019,51(06):865-872.[doi:10.15986/j.1006-7930.2019.06.014]
　CHEN Zhenglin,PU Wenming,CHEN Fan,et al.Research on blasting optimization of horizontal layered mudstone section in Zhangjiayan Tunnel[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2019,51(06):865-872.[doi:10.15986/j.1006-7930.2019.06.014]
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张家岩隧道水平层状泥岩段爆破优化研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
51
期数:
2019年06期
页码:
865-872
栏目:
出版日期:
2019-12-31

文章信息/Info

Title:
Research on blasting optimization of horizontal layered mudstone section in Zhangjiayan Tunnel
文章编号:
1006-7930(2019)06-0865-08
作者:
陈正林1; 蒲文明1; 2; 陈钒1; 潘家奇1; 马龙浩2; 任松2
（1. 中电建路桥集团有限公司，北京 100048；2. 重庆大学 煤矿灾害动力学与控制国家重点实验室，重庆 400044）
Author(s):
CHEN Zhenglin1;  PU Wenming1; 2;  CHEN Fan1;  PAN Jiaqi1;  MA Longhao2;  REN Song2
(1. Power China Road Bridge Group Co Ltd., Beijing 100048, China; 2.State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China)
关键词:
泥岩隧道; 爆破优化; 数值模拟
Keywords:
mudstone tunnel;  blasting optimization;  numerical simulation
分类号:
TU45, O382.2
DOI:
10.15986/j.1006-7930.2019.06.014
文献标志码:
A
摘要:
以重庆江习张家岩Ⅳ级泥岩段隧道为爆破研究对象，根据张家岩隧道实际工程的地质结构与地层岩性，基于X射线衍射试验和室内力学试验，获得泥岩的基本物理力学参数.从微差、孔间距、孔径、装药量四个方面综合分析其对爆破效果的影响，采用正交试验制定了泥岩隧道爆破模拟方案，并借助ANSYS/LSDYNA显示动力分析程序，对隧道的爆破参数进行优化，得到了泥岩隧道的爆破优化方案，通过对比分析，筛选出最优爆破方案.最后，将最优爆破方案与现场测试结果进行对比，结果表明模拟结果和测试结果基本吻合，且优化后的爆破效果要明显好于原爆破效果.研究成果可在类似隧道提出针对性爆破参数设计建议并推广应用.
Abstract:
Taking the Zhangjiayan IV mudstone section tunnel of Chongqing Jiangxi as the blasting object, according to the geological structure and lithology of the actual project of the Zhangjiayan tunnel, the basic physical and mechanical parameters of the mudstone were obtained based on X-ray diffraction test and laboratory mechanical test. From the four aspects of the differential, hole spacing, aperture, and charge amount, the impact of the blasting on the blasting effect was analyzed comprehensively. The simulation scheme of the mudstone tunnel blasting was formulated using orthogonal test, and the dynamic analysis program was displayed with ANSYS/LS-DYNA. The blasting parameters were optimized to obtain a blasting optimization program for a mudstone tunnel. Through comparative analysis, an optimal blasting scheme was selected. Finally, the optimal blasting scheme is compared with the field test results. The results show that the simulation results are basically consistent with the test results, and the optimized blasting effect is obviously better than the original blasting effect. The research results can be proposed in a similar tunnel to the design of targeted blasting parameters and promote their application.

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备注/Memo

备注/Memo:
收稿日期:2018-03-31修改稿日期:2019-05-30
基金项目:国家自然科学基金项目（51774057）
第一作者:陈正林(1970-)，男，高级工程师，主要从事隧道工程相关研究.E-mail: 842149198@qq.com
通信作者:任松(1975-)，男，博士，教授，主要从事岩石力学与工程方面的教学和研究工作.E-mail：re_rwx@cqu.edu.cnDOI:
更新日期/Last Update: 2020-01-21