Abstract:This paper proposes a prefabricated basalt fiber reinforced polymer (BFRP) bars reinforcement of a concrete arch structure with superior performance in the field of protection engineering. To study the anti-blast performance of the shallow-buried BFRP bars concrete arch (BBCA), a multi-parameter comparative analysis was conducted employing the LS-DYNA numerical method, which was verified by the results of the field explosion experiments. By analyzing the pressure, displacement, acceleration of the arch, and th… Show more
“…The proposed protective structures with BFRP or SFCB reinforcement are still in the development phase. A series of tests have been conducted on semi-circular arch specimens and such-based tunnels (Figure 11) to evaluate the static performance and blast resistance (Tang et al, 2020, 2021; Wu et al, 2022; Zhao et al, 2022). Figure 11.SFCBs/BFRP bars-reinforced semi-circular arch and such-based tunnel (Zhao et al, 2022): (a) Reinforcement cage; (b) Assembled modular tunnel.…”
“…The proposed protective structures with BFRP or SFCB reinforcement are still in the development phase. A series of tests have been conducted on semi-circular arch specimens and such-based tunnels (Figure 11) to evaluate the static performance and blast resistance (Tang et al, 2020(Tang et al, , 2021Wu et al, 2022;Zhao et al, 2022).…”
Fiber-reinforced polymer (FRP) composites are a class of advanced non-metallic materials featuring advantages of high strength, light weight and excellent corrosion resistance. These advantages, in conjunction with the various methods available for making curved FRP members, create a wide range of possibilities for innovating arch structures with FRP composites. However, this subject has received inadequate research attention despite the exciting prospects demonstrated by pioneer studies. This paper provides a review on this subject with the aim to build a holistic picture and engage wider research participation. The paper begins with an overview of four feasible manufacturing/forming methods (vacuum infusion, filament winding, pultrusion and active bending), with an emphasis on their capability of creating curved FRP members and potential applications in arch structures. A review is next made on previous arch projects and relevant novel concepts, which are classified into two categories (all-FRP arches and FRP-incorporating hybrid arches) with distinct functionality and targeted areas of application. On the basis of this review, directions for future development of each of the two categories are highlighted, with a number of challenges and potential solutions discussed.
“…The proposed protective structures with BFRP or SFCB reinforcement are still in the development phase. A series of tests have been conducted on semi-circular arch specimens and such-based tunnels (Figure 11) to evaluate the static performance and blast resistance (Tang et al, 2020, 2021; Wu et al, 2022; Zhao et al, 2022). Figure 11.SFCBs/BFRP bars-reinforced semi-circular arch and such-based tunnel (Zhao et al, 2022): (a) Reinforcement cage; (b) Assembled modular tunnel.…”
“…The proposed protective structures with BFRP or SFCB reinforcement are still in the development phase. A series of tests have been conducted on semi-circular arch specimens and such-based tunnels (Figure 11) to evaluate the static performance and blast resistance (Tang et al, 2020(Tang et al, , 2021Wu et al, 2022;Zhao et al, 2022).…”
Fiber-reinforced polymer (FRP) composites are a class of advanced non-metallic materials featuring advantages of high strength, light weight and excellent corrosion resistance. These advantages, in conjunction with the various methods available for making curved FRP members, create a wide range of possibilities for innovating arch structures with FRP composites. However, this subject has received inadequate research attention despite the exciting prospects demonstrated by pioneer studies. This paper provides a review on this subject with the aim to build a holistic picture and engage wider research participation. The paper begins with an overview of four feasible manufacturing/forming methods (vacuum infusion, filament winding, pultrusion and active bending), with an emphasis on their capability of creating curved FRP members and potential applications in arch structures. A review is next made on previous arch projects and relevant novel concepts, which are classified into two categories (all-FRP arches and FRP-incorporating hybrid arches) with distinct functionality and targeted areas of application. On the basis of this review, directions for future development of each of the two categories are highlighted, with a number of challenges and potential solutions discussed.
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