Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6714717 | Construction and Building Materials | 2018 | 14 Pages |
Abstract
Based on dissipated energy approach (DEA), the energy dissipation characteristics of concrete samples subjected to uniaxial cyclic loading have been investigated. The effect of different cyclic load levels on energy dissipation is quantitatively analyzed by different damage indicators during cyclic fatigue tests. It is concluded that the cumulative speed of energy dissipation and increasing growth-rate of damage indicators in Continuum Damage Theory (CDT) follow an exponential function in relation to the maximum cyclic load level and follow a logarithmic function in relation to the minimum cyclic load level. The loading strategy has an effect on total energy dissipated during fatigue tests, in other words: Energy dissipation and damage evolution are stress path dependent.
Related Topics
Physical Sciences and Engineering
Engineering
Civil and Structural Engineering
Authors
Zhengyang Song, Thomas Frühwirt, Heinz Konietzky,