[图书][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 …

Design of quasibrittle materials and structures to optimize strength and scaling at probability tail: an apercu

ZP Bažant - Proceedings of the Royal Society A, 2019 - royalsocietypublishing.org
The objective in materials or structure design has been to maximize the mean strength.
However, as generally agreed, engineering structures, such as bridges, aircraft or …

Indirect determination of size effect on strength of asphalt mixtures at low temperatures

A Cannone Falchetto, JL Le, MI Turos… - Materials and …, 2014 - Springer
Low temperature cracking of asphalt pavements is a major distress in cold regions. Accurate
assessment of strength of asphalt mixtures at low temperatures is of great importance for …

Determination of strength distribution of quasibrittle structures from mean size effect analysis

JL Le, AC Falchetto, MO Marasteanu - Mechanics of Materials, 2013 - Elsevier
This paper presents a new method to indirectly determine the probability distribution function
of strength of quasibrittle structures. The method is derived within the framework of the finite …

Size effect on reliability indices and safety factors of quasibrittle structures

JL Le - Structural Safety, 2015 - Elsevier
Many modern engineering structures are made of brittle heterogenous (quasibrittle)
materials, such as concrete, composites, and tough ceramics. Recent studies have shown …

[HTML][HTML] Computational extreme value statistics of strength for WC-Co composites at small specimens

PVS Machado, FC Caner, L Llanes… - Theoretical and Applied …, 2024 - Elsevier
The mechanical behavior of ceramic–metal (WC-Co) composites at small specimen level is
subject to significant uncertainty due to the random assembly of (1) its constituent phases,(2) …

Internal length scale of weakest-link statistical model for quasi-brittle fracture

JL Le, Z Xu, J Eliáš - Journal of Engineering Mechanics, 2018 - ascelibrary.org
Anchored by the theory of extreme value statistics, Weibull distribution is the most widely
used mathematical model for strength distribution of brittle structures. In a series of recent …

Statistical distribution and size effect of residual strength of quasibrittle materials after a period of constant load

M Salviato, K Kirane, ZP Bažant - Journal of the Mechanics and Physics of …, 2014 - Elsevier
In preceding studies, the type of cumulative probability distribution functions (cdf) of strength
and of static lifetime of quasibrittle structures, including their tails, was mathematically …

Finite weakest-link model of lifetime distribution of quasibrittle structures under fatigue loading

JL Le, ZP Bažant - Mathematics and Mechanics of Solids, 2014 - journals.sagepub.com
The design of various engineering structures, such as buildings, infrastructure, aircraft,
ships, as well as microelectronic components and medical implants, must ensure an …

Effect of stress singularity magnitude on scaling of strength of quasi-brittle structures

JL Le, M Pieuchot, R Ballarini - Journal of Engineering Mechanics, 2014 - ascelibrary.org
Engineering structures are often designed to have complex geometries, which could
introduce stress singularities that are weaker than the conventional− 1/2 crack-tip singularity …