Modelling the nonlinear behaviour of masonry walls strengthened with textile reinforced mortars: Fid-Bau Portal

Modelling the nonlinear behaviour of masonry walls strengthened with textile reinforced mortars

Wang, X. / Ghiassi, Bahman / Oliveira, Daniel V. / Lam, C.C.

Highlights•The nonlinear in-plane response of masonry walls strengthened with textile reinforced mortars (TRM) is numerically investigated.•A smeared crack modelling approach is used for both masonry and TRM.•The effect of tension softening model on the nonlinear response of TRMs is presented.•The effect TRM type and vertical load level on the nonlinear response and failure mode of strengthened walls are presented.•The efficiency of TRM layers on improving the seismic performance of a real historical façade is investigated.

AbstractTextile Reinforced Mortars (TRMs) have found extensive attention for externally bonded reinforcement of masonry and historical structures. However, only few information is available regarding their mechanical properties and effectiveness in improving the seismic performance of strengthened structures. This paper presents an extensive numerical investigation on the effect of TRM composites on the nonlinear response and failure modes of masonry walls. The effect of boundary conditions and the TRM type on the performance of strengthened walls are critically discussed and presented. It is shown that the performance and failure mode of the walls can significantly change after strengthening, an important issue that should be considered at the design stage. Finally, the effect of TRM application on the nonlinear response of a large historical masonry façade in Macau is investigated and presented.