2021
DOI: 10.1016/j.ijimpeng.2021.103930
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Dynamic triaxial compressive response and failure mechanism of basalt fibre-reinforced coral concrete

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Cited by 34 publications
(9 citation statements)
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“…The order of enhancement is CFs, BFs, and PFs, and the improvement decreases with increasing strength grade. This is because a three‐dimensional network structure made up of fibers can increase the energy of concrete destruction 19,24 . The relationship between peak stress and fiber type may be obtained by regression analysis, as shown in Equations (). σc=u1vσc0×σc0, where σc is the peak stress of FRCAC (Mpa); σc0 is the peak stress of CAC; u is the fiber reinforced factor (Mpa); v is the fiber type factor. BFRCAC:σc=1.40710.00594σc0×σc0R2=0.999, CFRCAC:σc=1.40710.00556σc0×σc0R2=0.996, PFRCAC:σc=1.40710.00656σc0×σc0R2=0.986. …”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The order of enhancement is CFs, BFs, and PFs, and the improvement decreases with increasing strength grade. This is because a three‐dimensional network structure made up of fibers can increase the energy of concrete destruction 19,24 . The relationship between peak stress and fiber type may be obtained by regression analysis, as shown in Equations (). σc=u1vσc0×σc0, where σc is the peak stress of FRCAC (Mpa); σc0 is the peak stress of CAC; u is the fiber reinforced factor (Mpa); v is the fiber type factor. BFRCAC:σc=1.40710.00594σc0×σc0R2=0.999, CFRCAC:σc=1.40710.00556σc0×σc0R2=0.996, PFRCAC:σc=1.40710.00656σc0×σc0R2=0.986. …”
Section: Resultsmentioning
confidence: 99%
“…Besides, the addition of BFs improved the dynamic mechanical properties and the failure degree of CAC. 24 Wang et al 25 investigated that polypropylene fibers (PFs) increased the cubic compressive strength and splitting tensile strength of CAC to different degrees, but too many PFs in CAC are not easy to disperse, resulting in reducing the reinforcement effect.…”
Section: Introductionmentioning
confidence: 99%
“…In terms of dynamic loading, researchers [46][47][48][49][50] carried out a dynamic triaxial compression test considering the effect of a multiaxial stress state on concrete strength. Gran et al 46 obtained the stress-strain relationship of high-strength concrete and established a failure envelope diagram.…”
Section: Evolution Characteristics Of Mechanical Performancementioning
confidence: 99%
“…A dynamic damage criterion based on the effect of octahedral normal stress and a similar angle on dynamic strength was proposed. Fu et al 48 found that confining pressure can reduce the propagation speed of microcracks and improve the strength of concrete. It was also observed that increasing the strain rate enhanced the peak stress of basalt‐polypropylene fiber hybrid concrete but exacerbated the degree of damage 49 .…”
Section: Effect Of Water Pressure On Concrete Strengthmentioning
confidence: 99%
“…When σ 1 = σ 2 , the b 1 will decrease along with the rise of confining stress, which is consistent with previous studies that have concluded. 36 The reason for the strain rate effect is reduced is that the lateral deformation is suppressed when the confining pressure rises so that the inertia effect of lateral deformation is reduced, and that the internal damage development is slowed down due to the crack expansion inside CAC is suppressed.…”
Section: Strengthmentioning
confidence: 99%