Fracture process zone (FPZ) in quasi-brittle materials: Review and new insights from flawed granite subjected to uniaxial stress

JZ Zhang, XP Zhou - Engineering Fracture Mechanics, 2022‏ - Elsevier
In the failure of quasi-brittle materials such as rocks, microstuctural damage always
precedes macroscopic fracture and manifests itself in the formation of fracture process zones …

A review on concrete fracture energy and effective parameters

S Khalilpour, E BaniAsad, M Dehestani - Cement and Concrete research, 2019‏ - Elsevier
This paper presents a discussion on the subject of fracture energy of concrete and effective
parameters. Therefore, it serves as an overview of the available approaches in determining …

Modelling fracture process zone width and length for quasi-brittle fracture of rock, concrete and ceramics

X Hu, Q Li, Z Wu, S Yang - Engineering Fracture Mechanics, 2022‏ - Elsevier
The crack-tip fracture process zone (FPZ) length with distributed cohesive stresses is
commonly modelled for quasi-brittle fracture of heterogeneous solids. This study highlights …

[کتاب][B] Quasibrittle fracture mechanics and size effect: A first course

ZP Ba, JL Le, M Salviato - 2021‏ - books.google.com
Many modern engineering structures are composed of brittle heterogenous, or quasibrittle,
materials. These include concrete, composites, tough ceramics, rocks, cold asphalt mixtures …

Comparison of boundary and size effect models based on new developments

X Hu, J Guan, Y Wang, A Keating, S Yang - Engineering Fracture …, 2017‏ - Elsevier
Hoover, Bazant and colleagues have published a number of papers in recent years (Bazant
and Yu, 2009; Yu, 2010; Hoover and Bazant, 2013a, 2013b, 2014) on comparisons between …

Comprehensive concrete fracture tests: Description and results

CG Hoover, ZP Bažant, J Vorel, R Wendner… - Engineering fracture …, 2013‏ - Elsevier
Although hundreds of concrete fracture tests exist, their evaluation is ambiguous because
they have limited ranges of specimen size, initial notch depth and postpeak response, and …

Comprehensive concrete fracture tests: Size effects of Types 1 & 2, crack length effect and postpeak

CG Hoover, ZP Bažant - Engineering Fracture Mechanics, 2013‏ - Elsevier
The comprehensive fracture tests of notched and unnotched beams presented in the
preceding paper are evaluated to clarify the size effects and fracture energy dissipation. The …

Cohesive crack, size effect, crack band and work-of-fracture models compared to comprehensive concrete fracture tests

CG Hoover, ZP Bažant - International Journal of Fracture, 2014‏ - Springer
The simplest form of a sufficiently realistic description of the fracture of concrete as well as
some other quasibrittle materials is a bilinear softening stress-separation law (or an …

Wedge-splitting tests for tensile strength and fracture toughness of concrete

JF Guan, XZ Hu, CP **e, QB Li, ZM Wu - Theoretical and Applied Fracture …, 2018‏ - Elsevier
This study presents a new approach for determination of tensile strength ft and fracture
toughness K IC of concrete using wedge-splitting (WS) specimens as neither property can …

On interchangeability and selection of size effect and boundary effect experiments for characterization and prediction of quasi-brittle fracture of concrete

Y Chen, X Hu - Theoretical and Applied Fracture Mechanics, 2022‏ - Elsevier
Size effect experiments using geometrically similar specimens of different sizes overlap
boundary effect experiments using specimens of single size but different notches if sufficient …