Numerous strength theories have been proposed for fiber-reinforced materials. After preliminary consideration, 14 of these were applied to the behavior of glass fabric and woven roving fabric reinforced polyester resin under both biaxial and fatigue loading. Results from 350 tube tests reveal that the failure mode depends on the biaxial stress ratio, fatigue life, and material combination. The distinction between failure theories tends to be obscured by scatter in the ...
Numerous complex stress failure theories have been proposed in the literature for anisotropic materials and several have been applied to FRP, particularly aerospace materials. The present paper summarises 10 years' work involving more than 2000 tests on thin-walled fiberglass reinfored polyester (GRP) cylinders subjected to internal pressure and axial load. The cylinders were fabricated from chopped strand mat, plainweave farics, or woven roving fabrics. Static and fatigue tests were conducted ...
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