3D Lattice model for dynamic simulations of creep, fracturing and rate effect in concrete

@inproceedings{Cusatis20013DLM,
  title={3D Lattice model for dynamic simulations of creep, fracturing and rate effect in concrete},
  author={Gianluca Cusatis and Zdenek P. Bazant and Luigi Cedolin},
  year={2001}
}
As verified experimentally, the rate dependence of the deformations of concrete is caused by two different physical mechanisms. The first is a dependence of the fracture process on the rate of crack opening, and the second is the viscoelastic deformation of cement paste. In this paper, the first is described by the activation energy theory applied to the ruptures that occur along a cohesive crack, and the second by the microprestress-solidification theory of concrete creep. Both theories are… CONTINUE READING

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