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Investigation of Dynamic Response of Concrete Slab Under Air Blast Loading

Lin, Qindong / Feng, Chun / Gan, Yundan / Yuan, Jianfei / Yang, Ying

The dynamic response of concrete components under blast loading is of great military and social importance. Based on the continuum-discontinuum element method and fluid–structure coupling algorithm, the dynamic response of concrete slab is simulated and analyzed. First, a full-time numerical simulation is conducted. Then, the displacement and crack characteristics of concrete slab are analyzed quantitatively. The result indicates that the displacement is distributed in a circular pattern, and the maximum value is located at the center of concrete slab. The crack ratio increases gradually with the growth of time, while the growth rate is not a constant value. The fracture type of concrete slab includes tensile fracture and shear fracture, the interface at the center mainly undergoes shear fracture, and a small number of interface on the outside of cracked region suffers tensile fracture.

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Investigation of Dynamic Response of Concrete Slab Under Air Blast Loading

Lin, Qindong / Feng, Chun / Gan, Yundan / Yuan, Jianfei / Yang, Ying

The dynamic response of concrete components under blast loading is of great military and social importance. Based on the continuum-discontinuum element method and fluid–structure coupling algorithm, the dynamic response of concrete slab is simulated and analyzed. First, a full-time numerical simulation is conducted. Then, the displacement and crack characteristics of concrete slab are analyzed quantitatively. The result indicates that the displacement is distributed in a circular pattern, and the maximum value is located at the center of concrete slab. The crack ratio increases gradually with the growth of time, while the growth rate is not a constant value. The fracture type of concrete slab includes tensile fracture and shear fracture, the interface at the center mainly undergoes shear fracture, and a small number of interface on the outside of cracked region suffers tensile fracture.

Investigation of Dynamic Response of Concrete Slab Under Air Blast Loading

Lin, Qindong / Feng, Chun / Gan, Yundan / Yuan, Jianfei / Yang, Ying

The dynamic response of concrete components under blast loading is of great military and social importance. Based on the continuum-discontinuum element method and fluid–structure coupling algorithm, the dynamic response of concrete slab is simulated and analyzed. First, a full-time numerical simulation is conducted. Then, the displacement and crack characteristics of concrete slab are analyzed quantitatively. The result indicates that the displacement is distributed in a circular pattern, and the maximum value is located at the center of concrete slab. The crack ratio increases gradually with the growth of time, while the growth rate is not a constant value. The fracture type of concrete slab includes tensile fracture and shear fracture, the interface at the center mainly undergoes shear fracture, and a small number of interface on the outside of cracked region suffers tensile fracture.

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Title:

Investigation of Dynamic Response of Concrete Slab Under Air Blast Loading

Additional title:

Lecture Notes in Civil Engineering

Contributors:

Xiang, Ping (editor) / Yang, Haifeng (editor) / Yan, Jianwei (editor) / Lin, Qindong (author) / Feng, Chun (author) / Gan, Yundan (author) / Yuan, Jianfei (author) / Yang, Ying (author)

Published in:

Frontier Research on High Performance Concrete and Mechanical Properties ; Chapter: 40 ; 493-499

Lecture Notes in Civil Engineering ; 518

Publication date:

2024-11-26

Size:

7 pages

ISBN:

978-981-97-4090-1 , 978-981-97-4089-5

ISSN:

2366-2565 , 2366-2557

DOI:

https://doi.org/10.1007/978-981-97-4090-1_40

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Dynamic response , Concrete slab , Air blast , CDEM Engineering , Building Materials , Mechanical Engineering , Materials Science, general

Licence:

http://creativecommons.org/licenses/by/4.0/

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