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JOURNAL OF FACULTY OF CIVIL ENGINEERING
INTERNATIONAL CONFERENCE
CONTEMPORARY ACHIEVEMENTS IN CIVILENGINEERING 25, 2014.y., pp. 129-134


CRITICAL CRACK LENGTH IN SMOOTH REINFORCEMENT BARS
 
DOI: 10.14415/konferencijaGFS2014.016
UDC: 539.421
CC-BY-SA 4.0 license
Author : Kozarić, Ljiljana M.; Milašinović, Dragan D.
 
 Summary:
 The cases that occur in the implementation of the smooth reinforcement steel bars are analyzed. Geometry of the initial cracks on axially tensioned cylindrical rods are taken from calculations basedon the rheological-dynamical analogy (RDA). Plastic zone size is determined by Dugdale model. From the fracture mechanics standpoint, model is reduced to a plane with symmetrically placed edge cracks.
 
 Keywords:
 Dugdale model, RDA, plastic zone, critical crack