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Dynamic Response of RC Wall Panel Subjected to Air Blast Loading
Parametric sensitivity study of reinforced concrete (RC) wall panel under air blast loading was conducted using finite element analysis software ABAQUS. The RC wall was modelled using three-dimensional solid elements and the steel reinforcements were modeled as 3-D truss elements. The stress–strain response of concrete was simulated using concrete damaged plasticity model while the metal plasticity with isotropic linear elasticity material model was used for steel reinforcements. The blast load was simulated using inbuilt CONWEP blast function available with ABAQUS. After validating the numerical analysis model, the effect of different parameters such as thickness of RC wall panel, standoff distance, charge weight and boundary conditions were investigated. It was observed from the study that displacement and axial stress in reinforcement are considerably reduced by increasing thickness of RC wall panel and standoff distance of blast charge. It was also observed that displacement and axial stresses were increased with increase in charge weight. Out of other support conditions studied, cantilever boundary condition indicated higher displacement of the panel and higher axial stress in reinforcements.
Dynamic Response of RC Wall Panel Subjected to Air Blast Loading
Parametric sensitivity study of reinforced concrete (RC) wall panel under air blast loading was conducted using finite element analysis software ABAQUS. The RC wall was modelled using three-dimensional solid elements and the steel reinforcements were modeled as 3-D truss elements. The stress–strain response of concrete was simulated using concrete damaged plasticity model while the metal plasticity with isotropic linear elasticity material model was used for steel reinforcements. The blast load was simulated using inbuilt CONWEP blast function available with ABAQUS. After validating the numerical analysis model, the effect of different parameters such as thickness of RC wall panel, standoff distance, charge weight and boundary conditions were investigated. It was observed from the study that displacement and axial stress in reinforcement are considerably reduced by increasing thickness of RC wall panel and standoff distance of blast charge. It was also observed that displacement and axial stresses were increased with increase in charge weight. Out of other support conditions studied, cantilever boundary condition indicated higher displacement of the panel and higher axial stress in reinforcements.
Dynamic Response of RC Wall Panel Subjected to Air Blast Loading
Lecture Notes in Civil Engineering
Kondraivendhan, B. (editor) / Modhera, C. D. (editor) / Matsagar, Vasant (editor) / Shukla, Palak J. (author) / Desai, Atul K. (author) / Modhera, Chetankumar D. (author)
2022-05-14
11 pages
Article/Chapter (Book)
Electronic Resource
English
Dynamic Response of RC Wall Panel Subjected to Air Blast Loading
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