Feasibility of basalt and glass FRP mesh for strengthening and confinement concrete damage due to ASR-expansion

Abstract

This research compares the efficiency of basalt fiber reinforcement polymer mesh (BFM) and glass fiber reinforcement polymer mesh (GFM) to suppress ASR-Expansion and enhance the mechanical properties of ASR-damaged concrete. BFM has not often been utilized for concrete confinement but is significantly less expensive than GFM. Results showed that the level of the expansion of damaged concrete prior to strengthening would dominate the performance rather than the materials. Early application of BFM and GFM resulted in a 25% reduction in expansion. In addition, an increase in compressive strength in the range from 4.6% to 39% and from 6.5% to 50% for BFM and GFM, respectively, depending mainly on the expansion at the time of strengthening and time since strengthening. An increase in modulus of elasticity by about 14% and a decrease in the Poisson’s ratio by about 23% compared with control specimens were obtained.