Overview

The theoretical stress-strain model for compressed concrete (Iskhakov and Ribakov, 2018), is based on the structural phenomenon and requires no empirical coefficients. It includes such main parameters of concrete behavior as stresses and strains at the border between the elastic and non-elastic behavior, ultimate elastic strains and stresses and strains at the end of the post-peak region. Particular attention was focused on the descending branch of the stress-strain diagram and on concrete elastic and plastic potentials that are important for dynamic response of concrete element section and for concrete creep. The book presents experimental and numerical results confirming this model. It deals with experimental verification of theoretical models of cracking and failure scheme for cylindrical specimens. The importance of using transverse deformations for analysis of initiation and development of inelastic deformations under high loading rates is verified. The experimental and numerical results are in good agreement with the theoretical ones, which significantly reduces the number of empirical coefficients in compressed concrete elements design.

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9781032738918

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Iakov Iskhakov is a Full Professor at Ariel University, Israel. The main scientific activity is focused on reinforced concrete structures and seismic resistance. He has published 14 books, more than 120 papers in scientific journals and presented about 100 lectures at national and international conferences. Ilya Frolov obtained a PhD in 2023 from Ariel University, Israel. His scientific activity is focused on improving concrete theory, avoiding the use of empirical coefficients in design of structures and using transverse deformations and cracks development for concrete performance analysis. Yuri Ribakov is a Head of Department of Civil Engineering at Ariel University, Israel. His research interests include reinforced concrete structures, fibered concrete, etc. He has co-authored 9 monographs, coedited 2 books, contributed 16 chapters to edited books, published more than 210 papers in journals and conference proceedings.

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