A deformation criterion for fatigue of concrete in tension

2011 ◽  
Vol 12 (3) ◽  
pp. 187-197 ◽  
Author(s):  
Håkan Thun ◽  
Ulf Ohlsson ◽  
Lennart Elfgren
Keyword(s):  
Deformation Criterion

Resolution of the Ehrenfest Paradox by New Contraction (Expansion) Criteria

1988 ◽  
Vol 43 (10) ◽  
pp. 865-872
Author(s):  
Edward M. Kelly
Keyword(s):  
Elastic Solid ◽  
Deformation Criterion ◽  
Null Result ◽  
Virtual Photons ◽  
Special Case ◽  
Spinning Disc

Abstract If we assume that the integrity of an elastic solid is governed by exchanges of real and virtual photons, the solid becomes a seat of innumerable interconnected microscopic Kennedy-Thorndike experiments. The null result of that experiment leads to a deformation criterion having the Lorentz- Fitzgerald contraction as a special case. For a spinning disc the criterion, combined with an equation of compatibility, gives radial and tangential deformations which resolve the Ehrenfest paradox.

A deformation criterion of local fracture

1978 ◽  
Vol 13 (4) ◽  
pp. 369-371 ◽  
Author(s):  
A. E. Andreikiv
Keyword(s):  
Local Fracture ◽  
Deformation Criterion

scholarly journals Estimation of Cement Composites Fracture Parameters Using Deformation Criterion

Materials ◽  
2019 ◽  
Vol 12 (24) ◽  
pp. 4206
Author(s):  
Marta Kosior-Kazberuk ◽  
Andrzej Kazberuk ◽  
Anna Bernatowicz
Keyword(s):  
Stress Intensity Factor ◽  
Stress Intensity ◽  
Intensity Factor ◽  
Critical Stress ◽  
Load Capacity ◽  
Critical Stress Intensity Factor ◽  
Zone Model ◽  
Opening Displacement ◽  
Deformation Criterion ◽  
Maximal Load

A simple deformation criterion based on Dugdale’s cohesive zone model is presented. The criterion can be used for both the experimental determination of the critical stress intensity factor, KIc, and the critical tip opening displacement, CTODc. It can also be applied for the evaluation of the load capacity of structural elements. The criterion is presented in explicit and compact form, which allows straightforward calculations to be performed for the estimation of KIc and CTODc values from the experimental data obtained from samples with a U-shaped notch, rounded with an arbitrary radius. Thanks to the simple form of the approximate relationship between the maximal load level and the dimensionless notch tip opening displacement, the reverse procedure was obtained, i.e., the estimation of the value of the maximal force loading the structural element as a function of the known critical stress intensity factor.

Sign in / Sign up

Export Citation Format

Share Document