Rights accessRestricted access - publisher's policy
The structures subjected to dynamic loads often show alternative tensioncompression
states stress; in such a case, even if certain damage (fracture) is reached during the tension cycle, the structure should maintain its capacity to withstand subsequent compression based only on the contact effect in the damaged area. In order to control this behavior requires a phenomenological constitutive model able to consider the contact as a structural limitation. On the other hand, from the constitutive point of view geomaterials have different damage thresholds for tension and compression and, from the structural point
of view it must be ensured that the material damaged in tension still can resist
compression. In this case, it is accepted that cracks behave as a contact surface
at the structural level. To meet the above mentioned phenomenology, a modification of the damage model differentiated in tension and compression of Faria et al. (1998) is performed in this paper, considering independent strength thresholds in each of these processes, controlled with a single discontinuity threshold function.
CitationBarbat, H.; Oller, S.; Paredes, J. A new damage model for structures subjected to cyclic loads. A: World Congress on Computational Mechanics and Asian Pacific Congress on Computational Mechanics. "9th World Congress on Computational Mechanics and 4th Asian Pacific Congress on Computational Mechanics". Sidney: 2010, p. 1-11.
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder. If you wish to make any use of the work not provided for in the law, please contact: email@example.com