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EXPERIMENTS AND NUMERICAL ANALYSES ON DYNAMIC DEFORMATION OF steel-concrete structure UNDER INTERNAL INTENSE BLAST LOADING

EXPERIMENTS AND NUMERICAL ANALYSES ON DYNAMIC DEFORMATION OF...

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The 7th International Conference on Shock and Impact Loads on structures

作者： Wanpeng Wang~* Northwestern Polytechnical University China Yongle Hu Northwestern Nuclear Technology Institute China Junde Lin Northwestern Nuclear Technology Institute China Chunming Wang Northwestern Nuclear Technology Institute China

＜正＞Explosion containment vessel（chamber） is used to protect personnel and experimental equipment in the destruction of explosion *** important issue is how to enhance explosion containment vessel’s performance of withstanding internal intense blast *** work about using concrete or composite material to reinforce explosion containment vessel is being developed in recent years. This paper is devoted to study the dynamic deformation law of steel-concrete structure under internal intense blast loading produced by different charges mass through small-scale model ***-datas of concrete and steel cylinder’ deformation are *** experimental results show that steel cylinders’ axial deformation is not remarkable,circumferential deformation grow with mass of charges *** steel cylinders are damaged,the form of penetrability crack shows that steel cylinders have a shearing fracture form;It indicates that dimensionless displacement parameter of concrete under intense blast loading is a decaying exponential function with scaled-distance *** response of steel-concrete structure under internal intense blast loading was simulated by using LS-DYNA soft.A good agreement between numerical simulation predictions and experimental results of steel-concrete structure deformation was obtained.

关键词： steel-concrete structure Internal intense blast load Dynamic deformation

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Experiments and numerical analyses on dynamic deformation of steel-concrete structure under internal intense blast loading

Experiments and numerical analyses on dynamic deformation of...

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第八届全国爆炸力学学术会议

作者： WANG Wan-peng~(1,2) HU Yong-le~2 LIN Jun-de~2 WANG Chun-ming~2 1.Northwestern Polytechnical University Xi’an Shanxi 710072 China 2.Northwestern Nuclear Technology Institute Xi’an Shanxi 710024 China

Explosion containment vessel(chamber) is used to protect personnel and experimental equipment in the destruction of explosion *** important issue is how to enhance explosion containment vessel’s performance of withstanding internal intense blast *** work about using concrete or composite material to reinforce explosion containment vessel is being developed in recent *** paper is devoted to study the dynamic deformation law of steel-concrete structure under internal intense blast loading produced by different charges mass through small-scale model ***-datas of concrete and steel cylinder’ deformation are *** experimental results show that steel cylinders’ axial deformation is not remarkable,circumferential deformation grow with mass of charges *** steel cylinders are damaged,the form of penetrability crack shows that steel cylinders have a shearing fracture form;It indicates that dimensionless displacement parameter of concrete under intense blast loading is a decaying exponential function with scaled-distance *** response of steel-concrete structure under internal intense blast loading was simulated by using LS-DYNA soft.A good agreement between numerical simulation predictions and experimental results of steel-concrete structure deformation was obtained.

关键词： steel-concrete structure Internal intense blast load Dynamic deformation

来源： cnki会议评论

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