امروز دوشنبه , 12 شهریور 1403
شنبه تا پنج شنبه - 9 صبح الی 20 عصر
دانلود Chapter 1 : Introduction to Fracture Mechanics of Concrete
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دانلود
Chapter 1 : Introduction to Fracture Mechanics of Concrete
نویسنده :
S. Kumar, S.V. Barai, Concrete Fracture Models and Applications
DOI : 10.1007-978-3-642-16764-5_1
فرمت: pdf
Fracture mechanics is a branch of solid mechanics which deals with the behavior of
the material and conditions in the vicinity of a crack and at the crack tip. While the
concept of linear elastic fracture mechanics has been well developed for more than
past 40 years and successfully applied to metallic structures, several civil engineering
materials such as cementitious materials, rocks, and fiber-reinforced composites
commonly known as quasibrittle need a different fracture mechanics approach to
model the fracture process. Cementitious materials can be modeled at various scales
like the nano-, micro-, meso-, and macrolevels. At mesolevel, they can be considered
as a two-phase particulate composite, i.e., the matrix and the reinforcement.
In the cement pastes, mortar, and concrete, the matrices can be considered as the
hydrated cement gels, cement paste, and mortar, respectively, whereas the reinforcements
in the corresponding materials can be taken as unhydrated cement particles,
fine aggregates, and coarse aggregates.