Effect of Shock Wave on Fabricated Anti-Blast Wall and Distribution Law Around the Wall Under Near Surface Explosion
The loads of shock wave effect on fabricated anti-blast wail and distribution law around the wall were investigated by using near surface explosion test method and FEM. The pressure-time histories and variety law on the foreside and backside of the anti-blast wall were adopted in the tests of variet...
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Published in | Transactions of Tianjin University Vol. 14; no. B10; pp. 514 - 518 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
Heidelberg
Tianjin University
01.10.2008
Luoyang Hydraulic Engineering Technical Research institute,Luoyang 471023,China%Department of Civil Engineering,Tsinghua University,Beijing 100084,China Department of Civil Engineering,Tsinghua University,Beijing 100084,China |
Subjects | |
Online Access | Get full text |
ISSN | 1006-4982 1995-8196 |
DOI | 10.1007/s12209-008-0088-5 |
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Abstract | The loads of shock wave effect on fabricated anti-blast wail and distribution law around the wall were investigated by using near surface explosion test method and FEM. The pressure-time histories and variety law on the foreside and backside of the anti-blast wall were adopted in the tests of variety of different explosion distances and dynamites, as well as in the comparison between the test and numerical calculation. The test results show that the loads of shock wave effect on the anti-blast wall were es- sen-tially consistent with calculation results using criterion under surface explosion when explosion dis- tances exceed 2 m, the distribution of overpressure behind wall was gained according to variety law based on small-large-small. It is also demonstrated that the peak overpressure behind wall had com- monly appeared in wall height by 1.5--2.5 multiples, and the peak overpressures of protective building behind wall could be reduced effectively by using the fabricated anti-blast wall. |
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AbstractList | TU7; The loads of shock wave effect on fabricated anti-blast wall and distribution law around the wall were investigated by using near surface explosion test method and FEM.The pressure-time histories and variety law on the foreside and backside of the anti-blast wall were adopted in the tests of variety of different explosion distances and dynamites,as well as in the comparison between the test and numerical calculation.The test results show that the loads of shock wave effect on the anti-blast wall were essen-tially consistent with calculation results using criterion under surface explosion when explosion distances exceed 2 m,the distribution of overpressure behind wall was gained according to variety law based on small-large-small.It is also demonstrated that the peak overpressure behind wall had commonly appeared in wall height by 1.5--2.5 multiples,and the peak overpressures of protective building behind wall could be reduced effectively by using the fabricated anti-blast wall. The loads of shock wave effect on fabricated anti-blast wall and distribution law around the wall were investigated by using near surface explosion test method and FEM. The pressure-time histories and variety law on the foreside and backside of the anti-blast wall were adopted in the tests of variety of different explosion distances and dynamites, as well as in the comparison between the test and numerical calculation. The test results show that the loads of shock wave effect on the anti-blast wall were essen-tially consistent with calculation results using criterion under surface explosion when explosion distances exceed 2 m, the distribution of overpressure behind wall was gained according to variety law based on small-large-small. It is also demonstrated that the peak overpressure behind wall had commonly appeared in wall height by 1.5–2.5 multiples, and the peak overpressures of protective building behind wall could be reduced effectively by using the fabricated anti-blast wall. The loads of shock wave effect on fabricated anti-blast wail and distribution law around the wall were investigated by using near surface explosion test method and FEM. The pressure-time histories and variety law on the foreside and backside of the anti-blast wall were adopted in the tests of variety of different explosion distances and dynamites, as well as in the comparison between the test and numerical calculation. The test results show that the loads of shock wave effect on the anti-blast wall were es- sen-tially consistent with calculation results using criterion under surface explosion when explosion dis- tances exceed 2 m, the distribution of overpressure behind wall was gained according to variety law based on small-large-small. It is also demonstrated that the peak overpressure behind wall had com- monly appeared in wall height by 1.5--2.5 multiples, and the peak overpressures of protective building behind wall could be reduced effectively by using the fabricated anti-blast wall. |
Author | 伍俊 刘晶波 闫秋实 |
AuthorAffiliation | Department of Civil Engineering, Tsinghua University, Beijing 100084, China Luoyang Hydraulic Engineering Technical Research Institute, Luoyang 471023, China |
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Keywords | shock wave anti-blast wall overpressure near surface explosion |
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Notes | anti-blast wall ; near surface explosion; overpressure ; shock wave shock wave 12-1248/T TU312 near surface explosion anti-blast wall overpressure |
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References | Liu Fei, Ren Huiqi, Wang Xiaojun et al. The role of the antiblast wall in protecting the important ground building against the blast terror attack[J]. Protective Engineering, 2004(6): 20–25. Yan Dongjin, Ding Nana, Chen Chanshou et al. Classification and the relative problems of the antiblast wall outside the building[J]. Protective Engineering, 2006(2) 68–74. Patricia K Bowles. Barrier assessment for safe standoff (BASS) test series[C]. In: Proceedings of the 11th International Symposium on Interaction of the Effects of Munitions with Structures. Mannheim, Germany, 2003. WuJ.LiuJ.DuY.Setup distance and structure design of assembling blast resistant wall [J]Protective Engineering200714953 WuJ.LiuJ.DuY.Elastic-plastic dynamic calculation for component structures of assembling blast resistant wall [J]Protective Engineering200724044 ColtharpD. R.Mitigating damage from vehicle bombs[J]Military Engineer19978982728 WangN.The Calculation Principle and Design for Protective Structures[M]1998NanjingThe Engineering Institute of Engineer Corps 88_CR1 88_CR2 J. Wu (88_CR6) 2007; 2 88_CR4 D. R. Coltharp (88_CR3) 1997; 89 N. Wang (88_CR7) 1998 J. Wu (88_CR5) 2007; 1 |
References_xml | – reference: ColtharpD. R.Mitigating damage from vehicle bombs[J]Military Engineer19978982728 – reference: Patricia K Bowles. Barrier assessment for safe standoff (BASS) test series[C]. In: Proceedings of the 11th International Symposium on Interaction of the Effects of Munitions with Structures. Mannheim, Germany, 2003. – reference: Yan Dongjin, Ding Nana, Chen Chanshou et al. Classification and the relative problems of the antiblast wall outside the building[J]. Protective Engineering, 2006(2) 68–74. – reference: WangN.The Calculation Principle and Design for Protective Structures[M]1998NanjingThe Engineering Institute of Engineer Corps – reference: WuJ.LiuJ.DuY.Elastic-plastic dynamic calculation for component structures of assembling blast resistant wall [J]Protective Engineering200724044 – reference: WuJ.LiuJ.DuY.Setup distance and structure design of assembling blast resistant wall [J]Protective Engineering200714953 – reference: Liu Fei, Ren Huiqi, Wang Xiaojun et al. The role of the antiblast wall in protecting the important ground building against the blast terror attack[J]. Protective Engineering, 2004(6): 20–25. – volume: 2 start-page: 40 year: 2007 ident: 88_CR6 publication-title: Protective Engineering – volume-title: The Calculation Principle and Design for Protective Structures[M] year: 1998 ident: 88_CR7 – ident: 88_CR4 – ident: 88_CR1 – volume: 89 start-page: 27 issue: 8 year: 1997 ident: 88_CR3 publication-title: Military Engineer – ident: 88_CR2 – volume: 1 start-page: 49 year: 2007 ident: 88_CR5 publication-title: Protective Engineering |
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Snippet | The loads of shock wave effect on fabricated anti-blast wail and distribution law around the wall were investigated by using near surface explosion test method... The loads of shock wave effect on fabricated anti-blast wall and distribution law around the wall were investigated by using near surface explosion test method... TU7; The loads of shock wave effect on fabricated anti-blast wall and distribution law around the wall were investigated by using near surface explosion test... |
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SubjectTerms | Engineering Humanities and Social Sciences Mechanical Engineering multidisciplinary Science 冲击波 抗爆炸墙 超压力 近表面爆炸 |
Title | Effect of Shock Wave on Fabricated Anti-Blast Wall and Distribution Law Around the Wall Under Near Surface Explosion |
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