Aluminum alloy has been increasingly widely used in the construction field due to its green advantages of light weight, easy processability, high corrosion resistance, and recyclability, which conforms to the concept of green energy conservation and sustainable development in modern architecture. To improve its performance, carbon fiber-reinforced polymer (CFRP) was used to reinforce aluminum alloy pipes. A total of 22 groups of specimens with different lengths, thicknesses, and CFRP configurations were constructed to study their mechanical properties under axial compression. The experimental results show that CFRP reinforcement can effectively inhibit the lateral deformation and delay the global buckling of aluminum alloy pipes, among which the three-segment and full-coverage reinforcement have significant effects; the combination of aluminum and CFRP can transform direct failure into progressive failure and improve bearing capacity. This composite material not only has an excellent high strength-to-weight ratio and durability, but also can reduce structural self-weight.
Li et al. (Sat,) studied this question.
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