Journal ArticleDOI
Analysis of crack formation and crack growth in concrete by means of fracture mechanics and finite elements
TLDR
In this article, fracture mechanics is introduced into finite element analysis by means of a model where stresses are assumed to act across a crack as long as it is narrowly opened, which may be regarded as a way of expressing the energy adsorption in the energy balance approach.About:
This article is published in Cement and Concrete Research.The article was published on 1976-11-01. It has received 5505 citations till now. The article focuses on the topics: Crack growth resistance curve & Fracture mechanics.read more
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Size effect and quasi-brittle fracture: the role of FPZ
Xiaozhi Hu,Kai Duan +1 more
TL;DR: In this article, the size-dependent quasi-brittle fracture transition is actually due to the interaction of the fracture process zone with the nearest structure boundary rather than the size variation, and the widely-accepted SE for geometrically-similar specimens of different sizes is only a special case of the FPZ/boundary interaction.
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Fracture assessment of U-notches under mixed mode loading: two procedures based on the ‘equivalent local mode I’ concept
TL;DR: In this paper, two fracture criteria are proposed and applied to blunt-notched components made of brittle materials loaded under mixed mode; the former is based on the averaged strain energy density over a given control volume, the latter on the cohesive crack zone model.
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Mechanical behavior of a syntactic foam: experiments and modeling
TL;DR: In this article, the results of a study concerning the mechanical behavior of a syntactic foam employed as core material for sandwich composite panels are presented and compared at the macroscopic scale.
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Computational technology for analysis of 3D meso-structure effects on damage and failure of concrete
TL;DR: In this paper, an efficient algorithm for particle generation and packing is proposed to represent 3D meso-structures as collections of discrete features distributed randomly in a continuous phase, where the continuous phase represents mortar, while the features are aggregates and voids.
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Interface crack onset at a circular cylindrical inclusion under a remote transverse tension. Application of a coupled stress and energy criterion
TL;DR: In this article, a theoretical model for the simultaneous prediction of the initial size of a crack originated at the inclusion/matrix interface (or equivalently the initial polar angle of this crack) and of the critical remote tension required to originate this crack is developed.
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