A Computational Approach for the Earthquake Response of Cable-Braced Reinforced Concrete Structures under Environmental Actions

摘要

A numerical treatment for the seismic response of reinforced concrete structures containing cable elements is presented. The cable behaviour is considered as nonconvex and nonmonotone one and is described by generalized subdifferential relations including loosening, elastoplastic - fracturing etc. effects. The problem is treated incrementally by double discretization: in space by finite elements and piece-wise linearization of cable - behaviour, and in time by the Newmark method. Thus, in each time - step an incremental linear complementarity problem is solved with a reduced number of problem unknowns.