Shear performance and size effect of CFRP strengthened RC beams

Jiangxing Zhang,Dong Li, Baihui Huang, Xinrui Wang,Liu Jin,Xiuli Du

International Journal of Mechanical Sciences（2024）

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摘要

•A 3D meso-scale numerical simulation method of CFRP strengthened RC beams is established.•The coupling effect between shear-span ratio and CFRP fiber ratio is explored.•The quantitative relationship between the contribution of CFRP and shear-span ratio is analyzed.•The effect of shear-span ratio and CFRP fiber ratio on the size effect is investigated.•The shear strength size effect law of CFRP strengthened RC beams is proposed.

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关键词

Size effect law,Meso-scale method,CFRP strengthened RC beam,Shear performance,Shear-span ratio,CFRP fiber ratio

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