Tension-tension axial fatigue of E-glass fiber-reinforced polymeric composites: tensile fatigue modulus

摘要

Interest in utilizing fiber-reinforced polymeric (FRP) composites in civil engineering applications is increasing. Such applications include bridge structures which undergo cyclic loading. For FRP composite structures subject to cyclic loading, fatigue is an important limit state. Strength and modulus degradation need to be considered as either may be the failure criterion. This study focuses on fatigue modulus degradation from tension-tension axial fatigue tests, constant amplitude loading, with frequency of fatigue load 5 Hz or less for E-glass (and glass) FRP composites without environmental concerns.