Flexural modeling of reinforced concrete elements in usage of anchored FRP systems

Sun, Wei; Xu, Wangzhou; Zhao, Jun; Li, Wentao; Li, Haifeng

doi:10.1016/j.compstruct.2023.116883

Cited by 4 publications

(1 citation statement)

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“…This system is designed to fulfill both capacity and serviceability criteria [ 2 ]. With a proper design, this adaptable technology can be utilized as a stay-in-place formwork in the future to cast concrete with complex geometries, potentially saving a significant amount of embodied energy and building materials [ 32 , 33 ]. In light of the concepts, CFRP fabrics (i.e., U-channel (UC), U-channel with an aggregate coating (UCA), U-channel with intermittent closed loops (UCL), and U-channel with an aggregate coating and intermittent closed loops (UCAL)) have been developed as novel reinforcements for concrete elements.…”

Section: Introductionmentioning

confidence: 99%

3D FRP Reinforcement Systems for Concrete Beams: Innovation towards High Performance Concrete Structures

Yan,

Zhao,

Yin

et al. 2024

Materials

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Despite the advantages of using lightweight and non-corrosive carbon fiber reinforced polymer (CFRP) reinforcements in concrete structures, their widespread adoption has been limited due to concerns regarding the brittle failure of CFRP rupture and its relatively softer load-deflection stiffness. This work offers logical solutions to these two crucial problems: using aggregate coating to strengthen the CFRP-concrete bond and ultimately the load-deflection stiffness, and using CFRP-concrete debonding propagation to create pseudo-ductile behavior. Subsequently, the concrete cracking behavior, the apparent CFRP modulus with aggregates, and the post-peak capacity and deflection of three-dimensional (3D) CFRP-reinforced concrete are all described by equations derived from experiments. These formulas will be helpful in the future design of non-prismatic concrete components for low-impact building projects. The potential of this innovative design scheme in terms of increased capacity and deflections with less concrete material is demonstrated through comparisons between non-prismatic CFRP-reinforced concrete and measured steel reinforced equivalency.

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Section: Introductionmentioning

confidence: 99%