Mechanical Performance of Glass Fiber Reinforced Magnesia-Phosphate Cements in Accelerated Aging

The effect of glass fiber textile on flexural strength of MPC mortar specimens containing glass fiber reinforcement and change of its flexural strength after accelerated aging were researched.The tensile rupture load of glass fiber before and after accelerated aging and pH value of hardened MPC paste with different aging time were tested.Micro-morphology of glass fiber were observed and analyzed.The experimental results show that MPC mortar can strongly adhere to glass fiber textile impregnated with epoxy resin and the flexural strength of composite material specimens is improved significantly,MPC mortar hardly erodes glass fiber and can effectively improve the durability of glass fiber reinforced materials.