“…Previous researches on CFPTs have been only partial to axial compression tests (Jiang, Ma, and Wu 2014). The materials of PVC representing noticeable mechanical characteristics in comparison to other normal olefin plastics purpose (Al-Baghdadi, Shubbar, and Al-Khafaji 2021; Zainab S Al-Khafaji, Majdi, Shubbar, Nasr, Al-Mamoori, Alkhayyat, et al 2021;Al-Mamoori et al 2021;Falah et al 2021;Marshdi et al 2021;A. Shubbar et al 2021;A A Shubbar et al 2022), illustrate a remarkable proportion of the cost to performance, particularly significant durability (Kurt 1978;J.…”