• Chinese Core Periodicals
  • Chinese Core Journals of Science and Technology
  • RCCSE Chinese Authoritative Academic Journals
Email Alert RSS
Advanced Search
SUN Deng-lin, LIU Shi-ming. Numerical Simulation and Analysis of Blast-induced Cracks in Hard Coal Body[J]. Safety in Coal Mines, 2012, 43(10): 192-194.
Citation: SUN Deng-lin, LIU Shi-ming. Numerical Simulation and Analysis of Blast-induced Cracks in Hard Coal Body[J]. Safety in Coal Mines, 2012, 43(10): 192-194.
shu

Numerical Simulation and Analysis of Blast-induced Cracks in Hard Coal Body

More Information
  • Published Date: October 09, 2012
    Graphical Abstract
    • Abstract
  • According to dynamic mechanical characteristics and relevant blasting parameters of hard coal body in the third mining area of Antai mine,the column charge explosion process of single hole is simulated by LS-DYNA programs.The range and formation time of smash district and crack area are obtained by analyzing the effect of blasting stress wave on the mechanical properties of coal and propagation process of blasting crackle.It is found that the radius of smash district in hard coal body is approximately 3.8 times of the charge radius,while the radius of crack area is approximately 51 times of the charge radius.
    • FullText(HTML)
    • References (6)
  • [1]
    孙博.煤体爆破裂纹扩展规律及其试验研究[D].焦作:河南理工大学,2011:23-24.
    [2]
    夏祥,李海波,李俊如,等.岩体爆生裂纹的数值模拟[J].岩土力学,2006,27(11):1987-1991.
    [3]
    倪小军.深孔爆破松动半径试验研究[D].淮南:安徽理工大学,2009:32-69.
    [4]
    谢源.高应力条件下岩石爆破裂纹扩展规律的模拟研究[J].湖南有色金属,2002,18(4):1-3.
    [5]
    陈秋宇,黄文尧,袁胜芳,等.煤矿深孔预裂爆破技术应用研究[J].工程爆破,2011,17(2):37-39.
    [6]
    肖定军,郭学彬,蒲传金.单孔护壁爆破数值模拟[J].化工矿物与加工,2008(7):22-24.
    • Related Articles

  • Related Articles

    [1]XIE Quanmin, ZHOU Shengguo, YANG Wendong, WANG Zhide. Study on Law of Cracks Propagation in Coal Blasting Under Gas Adsorption[J]. Safety in Coal Mines, 2020, 51(5): 32-37.
    [2]LUO Jianhui, CHENG Bing, WANG Haibo, ZONG Qi. Numerical Simulation of Influence of Hollow Hole on Blasting Effect of Parallel Cut[J]. Safety in Coal Mines, 2020, 51(4): 223-226.
    [3]AN Yuanying. Numerical Simulation Research on Mechanism of Cracks Formation Induced by Pre-splitting Blasting and Its Application[J]. Safety in Coal Mines, 2018, 49(5): 178-182.
    [4]ZONG Qi, WU Jiehao, MA Zhiqing. Numerical Simulation of the Influence of Blasting Vibration on Concrete Support with Different Ages[J]. Safety in Coal Mines, 2018, 49(3): 52-55.
    [5]LI Hankun, ZHU Feihao. Numerical Simulation of Coupling Charge Coefficient on Permeability Increasing Effect of Deep Hole Pre-splitting Blasting Based on ANSYS[J]. Safety in Coal Mines, 2018, 49(1): 226-229.
    [6]ZHANG Jiayong, CUI Xiao, ZHOU Fengzeng, WANG Kai, XU Shen. Numerical Simulation on Crack Radius of Coal Seam Drilling by Static Blasting[J]. Safety in Coal Mines, 2017, 48(12): 146-149.
    [7]ZHOU Yazhou, GOU Dongdong, CHENG Zhichao, LOU Junhao, WANG Xufeng. Numerical Simulation Analysis on Rock Breaking Effect by Shaped Charge Blasting Technology[J]. Safety in Coal Mines, 2014, 45(12): 218-220.
    [8]ZHANG Lian-ying, MA Chao, LI Yan. Numerical Simulation of Bolting Support Mechanism[J]. Safety in Coal Mines, 2013, 44(9): 71-73.
    [9]ZHU Hong-qing, LI Feng, ZHANG Yue, PAN Feng-long, GAO Ru-le. Numerical Simulation of Crack Extension Laws of Hydraulic Fracturing[J]. Safety in Coal Mines, 2012, 43(11): 30-33.
    [10]CHEN Xiao-kun, GUO Li-ping, CHENG Fang-ming, SHI Ji-lin. Numerical Simulation of Gas Explosion in Heading Face[J]. Safety in Coal Mines, 2012, 43(7): 20-22.

Catalog

    Get Citation
    XML
    Article views (900) PDF downloads (0) Cited by()
    Turn off MathJax
    Article Contents
    Abstract
    References
    Related Articles
    Links

    辽公网安备 21049802000106号　辽ICP备11020636号-9

    Website Copyright © CCTEG Shenyang Research Institute

    Address：No. 11 Binhe Road, Fushun Economic Development Zone, Liaoning　Postal Code：113122

    Tel：024-56616988/56616881　Email：mkaq@163.com

    Supported by: Beijing Renhe Information Technology Co., Ltd.  Baidu Analytics

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return