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Mesoscopic simulations of crack propagation in concrete using cohesive elements

Abstract

The paper presents results of two-and three-dimensional meso-scale simulations of fracture in notched concrete beams subjected to three-point bending test. Concrete was assumed as a 3-phase material composed of aggregate grains placed in the cement matrix with Interfacial Transitional Zones (ITZs) between then. In 2D simulations macro-voids were also taken into account. The particle distribution was taken from real concrete beams on the basis of X-ray mu CT images. The effect of different properties of ITZs and cement matrix was investigated in parametric studies. A satisfactory agreement in terms of the vertical force versus crack mouth opening displacement evolution and crack geometry was achieved between analyses and laboratory tests.

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Details

Category:
Conference activity
Type:
materiały konferencyjne indeksowane w Web of Science
Title of issue:
Computational Modelling of Concrete Structures strony 481 - 490
Language:
English
Publication year:
2018
Bibliographic description:
Trawiński W., Bobiński J., Tejchman-Konarzewski A..: Mesoscopic simulations of crack propagation in concrete using cohesive elements, W: Computational Modelling of Concrete Structures, 2018, ,.
Sources of funding:
Verified by:
Gdańsk University of Technology

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