A discrete bond law for precast panels systems without reinforcement

This paper discusses the possible application of finite element non-linear modelling to a construction system using precast concrete panels. Details are given of the shell elements used for modelling panels and joints, focusing in detail on the non-linear law conferred to the link elements used to represent resistance to relative sliding movement at the interface among panels. The paper relates in particular to an emulative system using cast-in-place joints, without transverse reinforcement. Also the results of pushover analyses, conducted first on a single wall (with the purpose of studying the effect of joint failure on the capacity of the system), then on an entire building erected using the same construction system are presented, assessing the applicability in seismic regions and considering different numbers of storeys.