Top

Arabian Journal for Science and Engineering

Published in:

09-04-2021 | Research Article-Civil Engineering

Study on the Coal Damage and Fracture Mechanism under Multiple Actions of Blasting Stress Wave

Authors: Huaibao Chu, Xiaolin Yang, Chang Wang, Weimin Liang

Published in: Arabian Journal for Science and Engineering | Issue 11/2021

Activate our intelligent search to find suitable subject content or patents.

search-config

AI-assisted search

Off

Abstract

Controlled blasting technology is an effective way to enhance coalbed methane recovery, but the theoretical research has fallen behind engineering practice seriously. Therefore, in this work, based on the damage and fracture mechanics theory, the coal damage process and mechanism under the multiple actions of the blasting stress wave (BSW) were analyzed firstly. Then, the simulation experiment of coal damage accumulation was designed and carried out; during the experiment, the ultrasonic velocity of the samples was measured and the damage values were calculated. Under the multiple actions of BSW, the initial radial cracks around the blast-hole wall or in the area near the explosion source are formed under the action of tangential tension of BSW and the internal pressure of the blast-hole, and under the combined actions of stress wave, gas, and in situ stress, the primary cracks in the middle and far area of the explosion source expand and form the mesoscopic cracks because of the damage accumulation at the crack tip. And then the mesoscopic cracks grow and intersect to form a macroscopic crack. Finally, the macroscopic cracks expand and intersect with the initial radial cracks, the samples break suddenly under the load far below their fracture toughness because of the damage accumulation effects. Hence, the research results have guiding significance for better understanding and application of controlled blasting technology to enhance the CBM recovery.

previous article Optimization of Sandstone Concrete Pavement Materials Based on Finite Element Method

next article An Analysis of Floating Geogrid-Reinforced Pile-Supported Embankments Containing Deep Softened Soil

Dont have a licence yet? Then find out more about our products and how to get one now:

Springer Professional "Wirtschaft+Technik"

Online-Abonnement

Mit Springer Professional "Wirtschaft+Technik" erhalten Sie Zugriff auf:

über 102.000 Bücher
über 537 Zeitschriften

aus folgenden Fachgebieten:

Automobil + Motoren
Bauwesen + Immobilien
Business IT + Informatik
Elektrotechnik + Elektronik
Energie + Nachhaltigkeit
Finance + Banking
Management + Führung
Marketing + Vertrieb
Maschinenbau + Werkstoffe
Versicherung + Risiko

Jetzt Wissensvorsprung sichern!

inform now

Springer Professional "Technik"

Online-Abonnement

Mit Springer Professional "Technik" erhalten Sie Zugriff auf:

über 67.000 Bücher
über 390 Zeitschriften

aus folgenden Fachgebieten:

Automobil + Motoren
Bauwesen + Immobilien
Business IT + Informatik
Elektrotechnik + Elektronik
Energie + Nachhaltigkeit
Maschinenbau + Werkstoffe

Jetzt Wissensvorsprung sichern!

inform now

Chen, L.; Wang, E.Y.; Feng, J.J.; Kong, X.G.; Li, X.L.; Zhang, Z.B.: A dynamic gas emission prediction model at the heading face and its engineering application. J. Nat. Gas Sci. Eng. 30, 228–236 (2016). https://doi.org/10.1016/j.jngse.2016.02.004CrossRef

Cai, F.; Liu, Z.G.; Zhang, C.J.; Lin, B.Q.: Numerical simulation of improving permeability by deep-hole presplitting explosion in loose-soft and low permeability coal seam. J. China Coal Soc. 32(5), 499–503 (2007)

Yu, Y.Q.; Yang, X.L.; Liang, W.M.; Wang, J.X.: Testing research of improving mine gas drainage under suction by controlling blasting to cause crack. J. China Coal Soc. 32(4), 377–381 (2007)

Gao, K.; Wang, J.R.; Jia, B.S.; Shi, N.; Li, C.Q.: Study on improving the permeability of coal seam with high pressure air. Coal Mine Saf. Environ. Protect. 38, 9–11 (2011)

Chen, D.; He, W.; Xie, S.; He, F.; Zhang, Q.; Qin, B.: Increased permeability and coal and gas outburst prevention using hydraulic flushing technology with cross-seam borehole. J. Nat. Gas Sci. Eng. 73, 103067 (2020). https://doi.org/10.1016/j.jngse.2019.103067CrossRef

Saharan, M.R.; Mitri, H.: Destress blasting as a mines safety tool: some fundamental challenges for successful applications. Procedia Eng. 26, 37–47 (2011). https://doi.org/10.1016/j.proeng.2011.11.2137CrossRef

Jingcheng, L.; Hongtu, W.; Zhigang, Y.; Xiaogang, F.: Experimental study of pre-splitting blasting enhancing pre-drainage rate of low permeability heading face. Procedia Eng. 26, 818–823 (2011). https://doi.org/10.1016/j.proeng.2011.11.2242CrossRef

Hu, G.Z.; He, W.R.; Sun, M.: Enhancing coal seam gas using liquid CO2 phase-transition blasting with cross-measure borehole. J. Nat. Gas Sci. Eng. 60, 164–173 (2018). https://doi.org/10.1016/j.jngse.2018.10.013CrossRef

Lu, Z.G.; Cai, F.; Xiao, Y.Q.: Numerical simulation and analysis of effect of stress release and permeability improvement in coal seams by deep-hole presplitting explosion. J. Anhui Univ. Sci. Technol. 28(4), 16–20 (2008)

10.

Zhu, W.C.; Wei, C.H.; Li, S.; Wei, J.; Zhang, M.S.: Numerical modeling on destress blasting in coal seam for enhancing gas drainage. Int. J. Rock Mech. Min. Sci. 59, 179–190 (2013). https://doi.org/10.1016/j.ijrmms.2012.11.004CrossRef

11.

Gong, M.; Wang, H.; Wen, B.: Dynamic stress in adjacent coal seams induced by deep-hole blasting in rock. Explosion and Shock Waves 32(2), 196–202 (2012)

12.

Lu, Y.Y.; Liu, Y.; Li, X.H.; Kang, Y.: A new method of drilling long boreholes in low permeability coal by improving its permeability. Int. J. Coal Geol. 84(2), 94–102 (2010). https://doi.org/10.1016/j.coal.2010.08.009CrossRef

13.

Zhang, L.; Ge, Z.L.; Lu, Y.Y.; Zhou, Z.; Xiao, S.Q.; Zuo, S.J.: Permeability enhancement and methane drainage capacity of tree-type boreholes to stimulate low-permeability coal seams. Arab. J. Sci. Eng. 46, 573–586 (2021). https://doi.org/10.1007/s13369-020-04961-1CrossRef

14.

Liu, Z.G.; Cao, A.Y.; Liu, G.L.; Li, J.X.: Experimental research on stress relief of high-Stress coal based on noncoupling blasting. Arab. J. Sci. Eng. 43(7), 3717–3724 (2018). https://doi.org/10.1007/s13369-017-3056-3CrossRef

15.

Zhao, J.-J.; Zhang, Y.; Ranjith, P.G.: Numerical simulation of blasting-induced fracture expansion in coal masses. Int. J. Rock Mech. Min. Sci. 100, 28–39 (2017). https://doi.org/10.1016/j.ijrmms.2017.10.015CrossRef

16.

Ma, G.W.; An, X.M.: Numerical simulation of blasting-induced rock fractures. Int. J. Rock Mech. Min. Sci. 45(6), 966–975 (2008). https://doi.org/10.1016/j.ijrmms.2007.12.002CrossRef

17.

Kutter, H.K.; Fairhurst, C.: On the fracture process in blasting. Int. J. Rock Mech. Min. Sci. 8(3), 181–202 (1971). https://doi.org/10.1016/0148-9062(71)90018-0CrossRef

18.

Li, Q.; Ma, S.Z.: Explosion mechanics. Beijing, China (1992)

19.

Liu, C.W.; Lu, Y.Y.; Xia, B.W.; Yu, P.: Directional fracturing by slotting-blasting-caused stress wave form changes. Int. J. Impact Eng. 129, 141–151 (2019). https://doi.org/10.1016/j.ijimpeng.2019.02.002CrossRef

20.

Chu, H.B.; Yang, X.L.; Liang, W.M.; Yu, Y.Q.: Simulation experimental study on the coal blast mechanism. J. China Coal Soc. 36(9), 1451–1456 (2011)

21.

Chu, H.B.; Yang, X.L.; Liang, W.M.; Yu, Y.Q.: Study on the damage-fracture process and mechanism of coal blasting. J. Ming Saf. Eng. 35(2), 410–414 (2018)

22.

Yin, G.Z.; Wang, D.K.: A coupled elastoplastic damage model for gas-saturated coal. Chin. J. Rock Mechan. Eng. 28(15), 993–999 (2009)

23.

Xie, C.; Yuan, L.J.; Zhao, M.; Jia, Y.H.: Study on failure mechanism of porous concrete based on acoustic emission and discrete element method. Constr. Build. Mater. 235, 10 (2020). https://doi.org/10.1016/j.conbuildmat.2019.117409CrossRef

24.

Chu, H.B.; Yang, X.L.; Hou, A.J.; Yu, Y.Q.; Liang, W.M.: Simulation experimental study on the law of blast stress wave’s propagation and attenuation in coal. Explosion Shock Waves 32(2), 185–189 (2012)

25.

Gou, Y.G.; Shi, X.Z.; Qiu, X.Y.; Zhou, J.; Chen, H.; Huo, X.F.: Propagation Characteristics of Blast-Induced Vibration in Parallel Jointed Rock Mass. Int. J. Geomech. 19(5), 14 (2019). https://doi.org/10.1061/(asce)gm.1943-5622.0001393CrossRef

26.

Cai, J.G.; Zhao, J.: Effects of multiple parallel fractures on apparent attenuation of stress waves in rock masses. Int. J. Rock Mech. Min. Sci. 37(4), 661–682 (2000). https://doi.org/10.1016/S1365-1609(00)00013-7CrossRef

27.

Fu, X.D.; Sheng, Q.; Zhang, Y.H.; Chen, J.: Time-Frequency Analysis of Seismic Wave Propagation across a Rock Mass Using the Discontinuous Deformation Analysis Method. Int. J. Geomech. 17(8), 15 (2017). https://doi.org/10.1061/(asce)gm.1943-5622.0000892CrossRef

28.

Chen, S.G.; Zhao, J.: A study of UDEC modelling for blast wave propagation in jointed rock masses. Int. J. Rock Mech. Min. Sci. 35(1), 93–99 (1998). https://doi.org/10.1016/S0148-9062(97)00322-7CrossRef

29.

Yan, C.B.; Xu, G.Y.; Yang, F.: Measurement of sound waves to study cumulative damage effect on surrounding rock under blasting load. Chinese J. Geotech. Eng. 29(1), 88–93 (2007)

30.

Yan, C.B.: Blasting damage cumulative effect of rock mass based on sound velocity variation. Rock Soil Mech. 31, 187–192 (2010)

31.

Balland, C.; Morel, J.; Armand, G.; Pettitt, W.: Ultrasonic velocity survey in Callovo-Oxfordian argillaceous rock during shaft excavation. Int. J. Rock Mech. Min. Sci. 46(1), 69–79 (2009). https://doi.org/10.1016/j.ijrmms.2008.03.011CrossRef

32.

Yang, S.Q.: Study on theory and application of blasting vibration cumulative effects [Dissertation]. Central South University, Changsha (2002).

33.

Chu, H.B.; Yang, X.L.; Ye, H.Y.; Liang, W.M.; Yu, Y.Q.; Wei, H.X.: Experimental study on blasting damage accumulation law of tunnel lining concrete. J. China Railway Soc. 40(3), 132–136 (2018)

34.

Chu, H.B.; Yang, X.L.; Ye, H.Y.; Wu, L.B.: Simulation experimental research on damage accumulation law of new concrete under multiple blasting vibration loads. J. China Coal Soc. 35(2), 410–414 (2018)

35.

Shao, P.; Xu, Z.W.; Zhang, H.Q.; He, Y.N.: Evolution of blast-induced rock damage and fragmentation prediction. Procedia Earth Planetary Sci. 1(1), 585–591 (2009). https://doi.org/10.1016/j.proeps.2009.09.093CrossRef

36.

Li, X.B.; Wang, S.M.; Gong, F.Q.; Ma, H.P.; Zhong, F.P.: Experimental study of damage properties of different ages concrete under multiple impact loads. Chin. J. Rock Mechan. Eng. 31(12), 2465–2472 (2012)

37.

Liu, B.; Yang, S.Q.; Yao, W.W.: An experimental study on the damage feature and strength of newly-laid concrete under impact loads. J. Hunan Univ. Technol. 31(3), 19–25 (2017)CrossRef

38.

Shan, R.L.; Huang, B.; Geng, H.H.; Bai, Y.; Yan, F.Y.: Model experiment to study cumulative damage effects of young shotcrete under blasting load. Explosion Shock Waves 36(3), 289–296 (2016)

39.

Yang, X.L.; Wang, S.R.: Meso-mechanism of damage and fracture on rock blasting. Explosion Shock Waves 20(3), 247–252 (2000)

40.

Murakami, Y.: Stress Intensity Factors Handbook. Pergamon Press, Oxford (1987)

41.

Chu, H.B.; Yang, X.L.; Yu, Y.Q.; Liang, W.M.: Experimental research of the choice for coal blasting simulation material. Coal Sci. Technol. 38(5), 31–33 (2010)

42.

Chu, H.B.; Yang, X.L.; Liang, W.M.; Yu, Y.Q.; Wang, L.P.: Experimental study on the blast damage law in simulation coal. J. Mining Saf. Eng. 28(3), 488–492 (2011)

Title: Study on the Coal Damage and Fracture Mechanism under Multiple Actions of Blasting Stress Wave
Authors: Huaibao Chu
Xiaolin Yang
Chang Wang
Weimin Liang
Publication date: 09-04-2021
Publisher: Springer Berlin Heidelberg
Published in: Arabian Journal for Science and Engineering / Issue 11/2021
Print ISSN: 2193-567X
Electronic ISSN: 2191-4281
DOI: https://doi.org/10.1007/s13369-021-05586-8

Springer Professional

Abstract

Please log in to get access to your license.

Dont have a licence yet? Then find out more about our products and how to get one now:

Springer Professional "Wirtschaft+Technik"

Springer Professional "Technik"

Other articles of this Issue 11/2021

Transportation Performance of Large-Sized Pebbles in Slurry Circulation System: A Laboratory Study

Changes of Water/Ice Morphological, Thermodynamic, and Mechanical Parameters During the Freezing Process

Effect of Combined Supplementary Cementitious Materials on the Fresh and Mechanical Properties of Eco-Efficient Self-Compacting Concrete

Experimental Investigation of the Effect of Cold Joint on Strength and Durability of Concrete

An Analysis of Floating Geogrid-Reinforced Pile-Supported Embankments Containing Deep Softened Soil

Investigation into the Performance of a Covered Top-Down Pit-in-Pit Deep Excavation in Shenzhen Soil-Rock Mixed Strata

Premium Partners