Explosion load induced response of structural concrete columns under contact and close-range detonations: a state-of-the-art review

S. M. Anas; Mehtab Alam; Shahbaz AkramRafat TahzeebMohd ShariqMohammad Umair

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Explosion load induced response of structural concrete columns under contact and close-range detonations: a state-of-the-art review

机译：Explosion load induced response of structural concrete columns under contact and close-range detonations: a state-of-the-art review

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Reflected shock wave causes severer damage in the form of spallation, crushing, and cratering of structural concrete components under contact explosions than close-range explosions. In this study, the state of research on the performance of the columns under close-in and contact explosions is presented. The Beirut-explosion (August-2020) was an accidental event of highest immenseness the world ever witnessed. Two of the five Beirut hospitals were severely damaged by the shock waves and the masonry walls as far as 2 km from the explosion site were smashed to the ground. On the Beirut-explosion, a brief case study of post-explosion damage scenario is presented highlighting the vulnerability of structures in the vicinity of explosive stores and ammunition depots. Observed damages to columns subjected to explosive loadings are due to failure in the form of flexure-shear, flexural, rupture of steel bars, scabbing and spalling of concrete. Lastly, certain considerations for future studies are proposed.

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《International Journal of Sustainable Materials and Structural Systems》 |2022年第1期|61-108|共48页
作者
S. M. Anas; Mehtab Alam; Shahbaz AkramRafat TahzeebMohd ShariqMohammad Umair;
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作者单位

Department of Civil Engineering, Netaji Subhas University of Technology;

Department of Civil Engineering, Faculty of Engineering and Technology;

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原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
Blast loads; Beirut explosion; Carbon fibres; Damages; Failure modes; RC columns; Strengthening techniques; Structures; Testing methods;

Explosion load induced response of structural concrete columns under contact and close-range detonations: a state-of-the-art review

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