A fracture mechanics based seismic analysis of concrete gravity dams using discrete cracks
β Scribed by Mohamed L. Ayari; Victor E. Saouma
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 882 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0013-7944
No coin nor oath required. For personal study only.
β¦ Synopsis
models for the efficient simulation of discrete crack closure, and fracture mechanics based model for crack propagation, both under transient dynamic conditions, are developed. Following simple validation problems, those two models are integrated into an interactive graphics program which was used to analyse Koyna dam.
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The use of the finite element method to calculate electrical potential drop vs crack extension calibration curves for fracture mechanics test specimens is investigated. The influence of finite element mesh size and the use of singular elements at the crack tip are considered. Also, some of the detai