TY - JOUR
T1 - Experimental and finite element study of bond behavior between seawater sea-sand alkali activated concrete and FRP bars
AU - Cui, Yifei
AU - Qu, Shihao
AU - Tekle, Biruk Hailu
AU - Ai, Weixia
AU - Liu, Menghua
AU - Xu, Nuo
AU - Zhang, Yicong
AU - Zhang, Peng
AU - Leonovich, Sergei
AU - Sun, Jianwei
AU - Miao, Jijun
N1 - Funding Information:
Financial support of ongoing projects by Natural Science Foundation of China (U22A20244, 52108223, 51778309, U1706222), Natural Science Foundation of Shandong Province (ZR2020QE249, ZR2023QE007), 111 Project (D16006), the Belt and Road Innovation talent Project (DL2023025001L) and first-class discipline project funded by the Education Department of Shandong Province are greatly acknowledged.
Publisher Copyright:
© 2024 Elsevier Ltd
PY - 2024/4/19
Y1 - 2024/4/19
N2 - The bond performance of fiber reinforced plastic (FRP) bars in seawater sea sand alkali activated concrete (SSASC) was investigated using pull-out test specimens. The effect of different concrete strengths, anchorage lengths, FRP bar types, and diameters on the bond performance were investiaged. Special emphasis was given to the applicability of the existing bond-slip constitutive models to FRP reinforced SSASC, which was investigated by calibrating well-known models to the experimental results. The correlation between the experimental curve and different bond-slip constitutive models is analyzed by calculating the R2 value. To verify the applicability of finite element analysis to SSASC and FRP bars system, numerical simulation was performed in ABAQUS finite element simulation software by setting the same conditions as the experimental variables. The results indicate that the Fan Xiaochun's model, which is the modifications of the MBPE model, has a high degree of correlation and is more suitable for SSASC and FRP bars system. The simulation results using ABAQUS finite element software are in good agreement with the experimental results.
AB - The bond performance of fiber reinforced plastic (FRP) bars in seawater sea sand alkali activated concrete (SSASC) was investigated using pull-out test specimens. The effect of different concrete strengths, anchorage lengths, FRP bar types, and diameters on the bond performance were investiaged. Special emphasis was given to the applicability of the existing bond-slip constitutive models to FRP reinforced SSASC, which was investigated by calibrating well-known models to the experimental results. The correlation between the experimental curve and different bond-slip constitutive models is analyzed by calculating the R2 value. To verify the applicability of finite element analysis to SSASC and FRP bars system, numerical simulation was performed in ABAQUS finite element simulation software by setting the same conditions as the experimental variables. The results indicate that the Fan Xiaochun's model, which is the modifications of the MBPE model, has a high degree of correlation and is more suitable for SSASC and FRP bars system. The simulation results using ABAQUS finite element software are in good agreement with the experimental results.
KW - Bond performance
KW - Bond-slip constitutive model
KW - Finite element analysis
KW - FRP bars
KW - Seawater sea-sand alkali-activated concrete
UR - http://www.scopus.com/inward/record.url?scp=85188717957&partnerID=8YFLogxK
U2 - 10.1016/j.conbuildmat.2024.135919
DO - 10.1016/j.conbuildmat.2024.135919
M3 - Article
AN - SCOPUS:85188717957
SN - 0950-0618
VL - 424
SP - 1
EP - 13
JO - Construction and Building Materials
JF - Construction and Building Materials
M1 - 135919
ER -