Fracture Characteristic Of Normal And High Strength Concrete Using Different Aggregate Grading
Abstract
This paper reports and discusses the results of experimental investigation on the fracture characteristic of concrete produced
with different aggregate grading. Two different aggregate grading was produced with compressive strength of 62-88 MPa.
Total fracture energy (GF) and fracture toughness (KIC) was calculated as fracture parameters of concrete. Three point bend
test was chosen based on RILEM recommendation to measure fracture parameters. Aggregate grading used in the concrete
mix affects significantly the total dissipated fracture energy which is more than 25%. The use of aggregate grading in
concrete implicate in the fracture characteristic of concrete