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Fatigue crack resistance characterisation of fully supported plain concrete beams
A framework for characterising the static and fatigue crack resistance of a fully supported beam on an elastic foundation is presented. The crack resistance is given as a function of the resisting cohesive stress and represented mathematically with a set of simple linear regression equations that can be easily integrated within a mechanistic–empirical design framework. The static crack resistance is derived using a weight function integral and reciprocal energy formulation that may be extended to more complex structural systems containing two-dimensional crack growth. Finally, a modified Paris law that utilises the crack resistance curves is used to develop a modified S–N diagram that can capture the fatigue response under various support conditions and different material characteristic lengths and structural sizes.
Fatigue crack resistance characterisation of fully supported plain concrete beams
A framework for characterising the static and fatigue crack resistance of a fully supported beam on an elastic foundation is presented. The crack resistance is given as a function of the resisting cohesive stress and represented mathematically with a set of simple linear regression equations that can be easily integrated within a mechanistic–empirical design framework. The static crack resistance is derived using a weight function integral and reciprocal energy formulation that may be extended to more complex structural systems containing two-dimensional crack growth. Finally, a modified Paris law that utilises the crack resistance curves is used to develop a modified S–N diagram that can capture the fatigue response under various support conditions and different material characteristic lengths and structural sizes.
Fatigue crack resistance characterisation of fully supported plain concrete beams
Brake, Nicholas A. (author) / Chatti, Karim (author) / Albanna, Ali (author)
Road Materials and Pavement Design ; 19 ; 511-524
2018-04-03
14 pages
Article (Journal)
Electronic Resource
English
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