Dynamic Compressive Behavior of FRP-Confined Concrete under Impact and a New Design-Oriented Strength Model

Ye, Hui; Song, Hengwen

doi:10.1177/096739111602400207

Cited by 11 publications

(1 citation statement)

References 13 publications

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“…With increasing strain rate, the initial elastic stiffness increased. This phenomenon is consistent with the conclusions reported in [26,30]. Therefore, the strain rate had a significant effect on the stress-strain relationship of the FRP-confined damaged concrete and undamaged concrete columns.…”

Section: Stress-strain Responsessupporting

confidence: 92%

Effect of Strain Rates on the Stress–Strain Behavior of FRP-Confined Pre-Damaged Concrete

et al. 2020

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There are many studies on fiber-reinforced polymer (FRP)-confined pre-damaged concrete under quasi-static strain rates. However, few studies have focused on FRP-confined pre-damaged concrete under high strain rates. Thus, an experimental and analytical investigation was conducted to obtain the mechanical behavior of FRP-confined pre-damaged concrete under different strain rates. The results show that the stress–strain curves, ultimate stress, and strain values were affected by strain rate and the extent of concrete damage. A stress–strain model of FRP-confined pre-damaged concrete considering the strain rate was developed by modifying a stress–strain model of FRP-confined pre-damaged concrete under quasi-static loading. The proposed model was evaluated by using test data. The evaluation results show that the proposed model can predict the stress–strain behavior of FRP-confined pre-damaged concrete under different strain rates.

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Section: Stress-strain Responsessupporting

confidence: 92%