Experimental and theoretical study of the performance of long-term loaded reinforced concrete members in compression under dynamic action
https://doi.org/10.33979/2073-7416-2025-118-2-65-80
Abstract
This study investigates the effect of loading history on the performance of long-term loaded members in compression subjected to dynamic action as a result of accidental situation. In addition, it considers changes in the strength and deformability of concrete. Analytical expressions have been developed to estimate the load-bearing capacity of reinforced concrete members in compression under different loading modes using equivalent bilinear diagrams of concrete deformation. To verify the reliability of the proposed analytical relations, experimental studies of the load-bearing capacity of long- term loaded compressed reinforced concrete members have been carried out under dynamic action which models accidental situation. Comparison of calculation results with experimental data shows that in the region of small eccentricities, close to accidental ones, the ultimate bending moments are smaller than calculated according to the relations presented in SP 63.13330.2018, and at the same time closer to the results of experimental studies.
About the Authors
S. Yu. Savin
Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Savin Sergey Yu. - candidate of technical science, associate professor of the department of Reinforced Concrete and Masonry Structures.
Moscow
M. Z. Sharipov
Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Sharipov Manonkhodja Z. - Post graduate student of the department of Reinforced Concrete and Masonry Structures.
Moscow
V. S. Moskovtseva
Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Moskovtseva Violetta S. - candidate of technical science, lecturer of the Department of Engineering Graphics and Computer Modeling.
Moscow
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Review
For citations:
Savin S.Yu., Sharipov M.Z., Moskovtseva V.S. Experimental and theoretical study of the performance of long-term loaded reinforced concrete members in compression under dynamic action. Building and Reconstruction. 2025;(2):65-80. (In Russ.) https://doi.org/10.33979/2073-7416-2025-118-2-65-80
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