Experimental Study and Numerical Simulation of Damage Mechanism of RC Box Girder under Internal Blast Loads
Publication: Journal of Performance of Constructed Facilities
Volume 36, Issue 1
Abstract
To obtain the failure mode and damage mechanism of a RC box girder under internal blast loads, the dynamic response process of the RC box girder under internal blast loads was carried out in an experiment and numerical simulation. The results show that after the blast, the failure morphology of the numerical simulation was in good agreement with that of the experiment. The front-face surface of the top slab was damaged by a compressive wave, and the back-face surface was damaged by a tensile wave. There were obvious transverse cracks at the joint between the web and the top slab (bottom slab), and there were many vertical cracks in the web. A large area of penetrating damage occurred in the center of the bottom slab.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
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Published In
Journal of Performance of Constructed Facilities
Volume 36 • Issue 1 • February 2022
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Jan 30, 2021
Accepted: Aug 27, 2021
Published online: Oct 18, 2021
Published in print: Feb 1, 2022
Discussion open until: Mar 18, 2022
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Cited by
- Lu Gan, Zhouhong Zong, Haimin Qian, Jin Lin, Experimental and numerical study of damage mechanism of steel box girders under external blast loads, Journal of Constructional Steel Research, 10.1016/j.jcsr.2022.107578, 198, (107578), (2022).