Anti-Explosion Performance of Different Anti-Explosion Structures under Gas Explosion in Pipe Gallery

LIU Xiliang; LI Ye; WANG Xinyu; GURKALO Filip

doi:10.11858/gywlxb.20180640

Volume 33 Issue 4

Jul 2019

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Chinese Journal of High Pressure Physics > 2019 > 33(4): 045204.

LIU Xiliang, LI Ye, WANG Xinyu, GURKALO Filip. Anti-Explosion Performance of Different Anti-Explosion Structures under Gas Explosion in Pipe Gallery[J]. Chinese Journal of High Pressure Physics, 2019, 33(4): 045204. doi: 10.11858/gywlxb.20180640

Citation:

LIU Xiliang, LI Ye, WANG Xinyu, GURKALO Filip. Anti-Explosion Performance of Different Anti-Explosion Structures under Gas Explosion in Pipe Gallery[J]. Chinese Journal of High Pressure Physics, 2019, 33(4): 045204. doi: 10.11858/gywlxb.20180640

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Anti-Explosion Performance of Different Anti-Explosion Structures under Gas Explosion in Pipe Gallery

doi: 10.11858/gywlxb.20180640

LIU Xiliang^{1, 2, 3
,},
LI Ye^{1,*
,
,},
WANG Xinyu^{1, 2, 3},
GURKALO Filip¹

1.
School of Civil Engineering, Henan Polytechnic University, Jiaozuo 454000, China
2.
Henan Key Laboratory of Underground Engineering and Disaster Prevention, Jiaozuo 454000, China
3.
International Joint Research Laboratory of Henan Province for Underground Space Development and Disaster Prevention, Jiaozuo 454000, China

Received Date: 19 Sep 2018
Rev Recd Date: 07 Jan 2019

Abstract

Abstract

The project of loop pipeline in Pingtan test area is used as the engineering background. To compare the anti-explosion performance of " foam aluminum” and " steel plate-foamed aluminum-steel plate” anti-explosion structure under gas explosion, a 3D pipe gallery and soil structure is studied and analyzed by ANSYS/LS-DYNA. The results show that: the structure closest to the explosion gas on the internal wall is broken down at first followed by the damaging of the joint structure of interior and exterior wall in the gas cabin. The stress in the aluminum foam sandwich structure attenuates most quickly. Measuring point peak stress can be reduced as much as 67.35% by aluminum foam sandwich structure compared with no explosion-proof structure. Measuring point peak stress is reduced by 43.99% by aluminum foam structure. The kinetic energy peak value of gallery without anti-explosion is 0.11 kJ. The kinetic energy peak value of gallery with aluminum foam sandwich is 0.021 kJ. By comparison to the gallery without any explosion-proof structure, the kinetic energy is reduced by 80.9%. A comprehensive suggestion is that, laying aluminum foam and aluminum foam core material can reduce the damage of the corridor structure, and the aluminum foam sandwich structure behaves the best.
- underground engineering,
- anti-explosion performance,
- numerical simulation,
- pipe gallery,
- energy absorbing material

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References(21)

References

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Anti-Explosion Performance of Different Anti-Explosion Structures under Gas Explosion in Pipe Gallery

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