EPJ Web of Conferences
Volume 94, 2015DYMAT 2015 - 11th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|Number of page(s)||4|
|Published online||07 September 2015|
Experimental analysis and constitutive modelling of steel of A-IIIN strength class
1 Military University of Technology, Faculty of Civil Engineering and Geodesy, 2 Gen. Sylwester Kaliski St., 00-908 Warsaw, Poland
2 Military University of Technology, Faculty of Mechatronics and Aviation, 2 Gen. Sylwester Kaliski St., 00-908 Warsaw, Poland
a Corresponding author: email@example.com
Published online: 7 September 2015
Fundamentally important is the better understanding of behaviour of new building steels under impact loadings, including plastic deformations. Results of the experimental analysis in wide range of strain rates in compression at room temperature, as well as constitutive modelling for and B500SP structural steels of new A-IIIN Polish strength class, examined dynamically by split Hopkinson pressure bar technique at high strain rates, are presented in table and graphic forms. Dynamic mechanical characteristics of compressive strength for tested building structural steel are determined as well as dynamic mechanical properties of this material are compared with 18G2-b steel of A-II strength class, including effects of the shape of tested specimens, i.e. their slenderness. The paper focuses the attention on those experimental tests, their interpretation, and constitutive semi-empirical modelling of the behaviour of tested steels based on Johnson-Cook's model. Obtained results of analyses presented here are used for designing and numerical simulations of reinforced concrete protective structures.
© Owned by the authors, published by EDP Sciences, 2015
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