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Simultaneous Initiation of Nitromethane in Two Holes by Pulsed Wire Discharge for Crack Control of a Concrete Block

  • Shigeru TanakaEmail author
  • Masatoshi Nishi
  • Makoto Yamaguchi
  • Ivan Bataev
  • Kazuyuki Hokamoto
Research Paper
  • 28 Downloads

Abstract

In order to rescue the victims from collapsed concrete structures, rescue routes should be made quickly. Given the presence of the victims, breaking concrete into pieces should be avoided. The purpose of this study is to divide concrete into arbitrary shapes using as little energetic material as possible. In this study nitromethane (NM), which undergoes a deflagration reaction, was used as an energy substance. Two NM charges placed into a concrete specimen were simultaneously ignited by pulsed wire discharge to maximize the power of the deflagration. As a result, a fracture surface was formed between the charge holes of the specimen, and an approximately symmetrical fractured shape was obtained. In numerical analysis with spalling failure as the failure condition, a fracture shape very similar to the model experimental result was obtained. Furthermore, the formation of a crack by the interference of stress waves propagating from two charge holes was demonstrated.

Keywords

Crack control Nitromethane Pulsed wire discharge Deflagration Numerical simulation 

Notes

Acknowledgments

This work was supported by JSPS KAKENHI Grant Number JP 18K04306.

References

  1. 1.
    Sasaki K, Kitamima H, Maehata H, et al (2011) Development of splitting technology by using electric discharge impulse crushing system. In: 37th Annual conf. on explosives and blasting technique, pp 126–132Google Scholar
  2. 2.
    Kotov YA (2003) Electric explosion of wires as a method for preparation of nanopowders. J Nanoparticle Res 5:539–550.  https://doi.org/10.1023/B:NANO.0000006069.45073.0b CrossRefGoogle Scholar
  3. 3.
    Fukuda D, Moriya K, Kaneko K et al (2013) Numerical simulation of the fracture process in concrete resulting from deflagration phenomena. Int J Fract.  https://doi.org/10.1007/s10704-013-9809-4 CrossRefGoogle Scholar
  4. 4.
    Uenishi K, Yamachi H, Yamagami K, Sakamoto R (2014) Dynamic fragmentation of concrete using electric discharge impulses. Constr Build Mater.  https://doi.org/10.1016/j.conbuildmat.2014.05.014 CrossRefGoogle Scholar
  5. 5.
    Fukuda T, Das Adhikary S, Fujikake K et al (2018) Feasibility study on application of controlled electrical discharge impulse crushing system to lifesaving operations in earthquake disasters. Pract Period Struct Des Constr 20:18.  https://doi.org/10.1061/(asce)sc.1943-5576.0000401 CrossRefGoogle Scholar
  6. 6.
    Qiu X, Hao Y, Shi X et al (2018) Numerical simulation of stress wave interaction in short-delay blasting with a single free surface. PLoS ONE 13:e0204166.  https://doi.org/10.1371/journal.pone.0204166 CrossRefGoogle Scholar
  7. 7.
    Ogata Y, Matsumoto S, Katsuyama K, Hashidume K (1992) Study on the precise controlled blasting by wire explosion electric detonator. Sci Technol Energy Mater 53:200–204Google Scholar
  8. 8.
    Weihua J, Yatsui K (1998) Pulsed wire discharge for nanosize powder synthesis. IEEE Trans Plasma Sci 26:1498–1501.  https://doi.org/10.1109/27.736045 CrossRefGoogle Scholar
  9. 9.
    Li D, Wong LNY (2013) The Brazilian disc test for rock mechanics applications: review and new insights. Rock Mech Rock Eng 46:269–287.  https://doi.org/10.1007/s00603-012-0257-7 CrossRefGoogle Scholar
  10. 10.
    Noguchi T, Tomosawa F (1995) Relationship between compressive strength and various mechanical properties of high strength concrete. J Struct Constr Eng (Trans AIJ) 60:11–16.  https://doi.org/10.3130/aijs.60.11_3 CrossRefGoogle Scholar
  11. 11.
    Watanabe N, Hashiba M (1984) Study on tensile strength of concrete. In: Review of the 38th meeting, Japan Cement Association, Tokyo, pp 294–297Google Scholar
  12. 12.
    Robertson N, Hayhurst C, Fairlie G (1994) Numerical simulation of impact and fast transient phenomena using AUTODYNTM-2D and 3D. Nucl Eng Des 150:235–241.  https://doi.org/10.1016/0029-5493(94)90140-6 CrossRefGoogle Scholar
  13. 13.
    Kamal IM, Eltehewy EM (2012) Projectile penetration of reinforced concrete blocks: test and analysis. Theor Appl Fract Mech 60:31–37.  https://doi.org/10.1016/J.TAFMEC.2012.06.005 CrossRefGoogle Scholar
  14. 14.
    Wang H, Xiao J, Zheng Y, Yu Q (2016) Failure and ejection behavior of concrete materials under internal blast. Shock Vib 2016:1–7.  https://doi.org/10.1155/2016/8409532 CrossRefGoogle Scholar
  15. 15.
    Youssef R, Attia W, Laissy M (2017) Numerical simulation of concrete slabs strengthened with PTFE sheets subjected to blast load. MATEC Web Conf 120:04005.  https://doi.org/10.1051/matecconf/201712004005 CrossRefGoogle Scholar
  16. 16.
    Hu G, Wu J, Li L (2016) Advanced concrete model in hydrocode to simulate concrete structures under blast loading. Adv Civ Eng 2016:1–13.  https://doi.org/10.1155/2016/7540151 CrossRefGoogle Scholar
  17. 17.
    Hao G, Dong X, Du M et al (2019) A comparative study of ductile and brittle materials due to single angular particle impact. Wear 428−429:258–271.  https://doi.org/10.1016/J.WEAR.2019.03.016 CrossRefGoogle Scholar
  18. 18.
    Katayama M, Itoh M, Tamura S et al (2007) Numerical analysis method for the RC and geological structures subjected to extreme loading by energetic materials. Int J Impact Eng.  https://doi.org/10.1016/j.ijimpeng.2006.10.013 CrossRefGoogle Scholar
  19. 19.
    Eirik S, Cathy, O. C, Cyril, M. W, Anders C (2011) Benchmark trial designed to provide validation data for modelling. In: 10th International symposium on interaction of the effects of munitions with structuresGoogle Scholar
  20. 20.
    Drucker DC, Prager W (1952) Soil mechanics and plastic analysis or limit design. Q Appl Math.  https://doi.org/10.1090/qam/48291 CrossRefGoogle Scholar
  21. 21.
    Yamaguchi M, Murakami K, Takeda K, Mitsui Y (2011) Blast resistance of double-layered reinforced concrete slabs composed of precast thin plates. J Adv Concr Technol 9:177–191.  https://doi.org/10.3151/jact.9.177 CrossRefGoogle Scholar
  22. 22.
    Yamaguchi H, Fujimoto K, Nomura S (1989) Stress-strain relationship for concrete under high tri-axial compression part2 rapid loading. Trans Archit Inst Jpn.  https://doi.org/10.3130/aijsx.396.0_50 CrossRefGoogle Scholar
  23. 23.
    Japan Society of Civil Engineers (2013) Performance based design guideline for civil engineering protective structures subjected to impact loading. Japan Society of Civil EngineersGoogle Scholar
  24. 24.
    Tanaka S, Bataev I, Oda H, Hokamoto K (2018) Synthesis of metastable cubic tungsten carbides by electrical explosion of tungsten wire in liquid paraffin. Adv Powder Technol.  https://doi.org/10.1016/j.apt.2018.06.025 CrossRefGoogle Scholar
  25. 25.
    Bora B, Wong CS, Bhuyan H et al (2013) Understanding the mechanism of nanoparticle formation in wire explosion process. J Quant Spectrosc Radiat Transf.  https://doi.org/10.1016/j.jqsrt.2012.11.018 CrossRefGoogle Scholar
  26. 26.
    Menikoff R, Shaw MS (2011) Modeling detonation waves in nitromethane. Combust Flame.  https://doi.org/10.1016/j.combustflame.2011.05.009 CrossRefGoogle Scholar
  27. 27.
    Maillet JB, Bourasseau E, Desbiens N et al (2011) Mesoscopic simulations of shock-to-detonation transition in reactive liquid high explosive. EPL.  https://doi.org/10.1209/0295-5075/96/68007 CrossRefGoogle Scholar
  28. 28.
    Hamashima H, Osada A, Itoh S, Kato Y (2007) Detonation behaviors of nitromethane with various initiating shock pressure. Mater Sci Forum.  https://doi.org/10.4028/www.scientific.net/msf.566.41 CrossRefGoogle Scholar
  29. 29.
    Castedo R, Natale M, López LM et al (2018) Estimation of Jones-Wilkins-Lee parameters of emulsion explosives using cylinder tests and their numerical validation. Int J Rock Mech Min Sci.  https://doi.org/10.1016/j.ijrmms.2018.10.027 CrossRefGoogle Scholar

Copyright information

© Society for Experimental Mechanics, Inc 2019

Authors and Affiliations

  1. 1.Institute of Pulsed Power Science (IPPS)Kumamoto UniversityKumamotoJapan
  2. 2.National Institute of Technology, Kumamoto CollegeKumamotoJapan
  3. 3.Faculty of Advanced Science and TechnologyKumamoto UniversityKumamotoJapan
  4. 4.Novosibirsk State Technical UniversityNovosibirskRussia

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