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Additionally, the behavior of FRP-reinforced concrete under service loads differs from that of traditional reinforced concrete. Due to the linear stress-strain relationship of FRP materials, structures tend to have a more brittle failure mode compared to the ductile behavior of steel-reinforced concrete. As such, design codes need to incorporate specific considerations for failure mechanisms, ensuring that structures remain safe under unexpected loading conditions.
3. High Strength-to-Weight Ratio Despite their lightness, FRP guardrails boast an impressive strength-to-weight ratio. This means they can absorb and distribute impact forces effectively, providing essential safety without compromising structural integrity. In cases of vehicular impact, FRP guardrails are designed to deform and absorb energy, enhancing the protection of road users.
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