The flexural strength of steel-reinforced polymer concrete (PC) beams us ing unsaturated polyester resins based on recycled poly(ethylene terephthalate), PET, is reported in this paper. Investigation included mode of failure, moment-curvature response, variation of neutral axis depth with moments and the effect of tensile and compression steel reinforcement on the strength and ductility of the beams. This evaluation is not only important from the standpoint that resins based on recycled PET were used, but also because very few investigations have been done in this area with steel-reinforced PC using virgin resins.
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