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Dynamics of Reinforced Concrete Slab-Frame Structures with Punching Damages
An approach to assessing the dynamic effects for Reinforced Concrete (RC) frames of structures with flat plate in extraordinary event load combination is considered. It is possible that initial actions can exceed the service design load that can lead to the punching damage of flat column connection before secondary component action. Secondary component action considers the removal of any of the columns from the design model over a finite period of time. The analysis of dynamic effects is carried out on the basis of two approaches: the first way is based on the energy method of G.A. Geniev and assumes a quasi-static assessment of the stress–strain state of the damaged system; the second way is the analysis of the transient dynamic process taking into account the physical and geometric nonlinearity. An approximate approach to modeling the damage of a reinforced concrete slab with punching damage is proposed and further prospects for its improvement are considered. The degree of a danger from accidental actions for structures pre-damaged by punching and influence of these damages on the survivability has been established. An example of assessing survivability of underground parking frame in the presence of punching damage for one of the joints between the slab and the column is considered.
Dynamics of Reinforced Concrete Slab-Frame Structures with Punching Damages
An approach to assessing the dynamic effects for Reinforced Concrete (RC) frames of structures with flat plate in extraordinary event load combination is considered. It is possible that initial actions can exceed the service design load that can lead to the punching damage of flat column connection before secondary component action. Secondary component action considers the removal of any of the columns from the design model over a finite period of time. The analysis of dynamic effects is carried out on the basis of two approaches: the first way is based on the energy method of G.A. Geniev and assumes a quasi-static assessment of the stress–strain state of the damaged system; the second way is the analysis of the transient dynamic process taking into account the physical and geometric nonlinearity. An approximate approach to modeling the damage of a reinforced concrete slab with punching damage is proposed and further prospects for its improvement are considered. The degree of a danger from accidental actions for structures pre-damaged by punching and influence of these damages on the survivability has been established. An example of assessing survivability of underground parking frame in the presence of punching damage for one of the joints between the slab and the column is considered.
Dynamics of Reinforced Concrete Slab-Frame Structures with Punching Damages
Lecture Notes in Civil Engineering
Akimov, Pavel (editor) / Vatin, Nikolai (editor) / Tusnin, Aleksandr (editor) / Doroshenko, Anna (editor) / Alekseytsev, Anatoly (author) / Antonov, Michael (author) / Kurchenko, Natalya (author)
2022-09-03
11 pages
Article/Chapter (Book)
Electronic Resource
English
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