TY - JOUR
T1 - Stiffness analysis of shear stud group connectors in precast concrete deck
AU - Yu, Jie
AU - Wang, Yu Hang
AU - Liu, Jie Peng
AU - Frank Chen, Y.
AU - Xue, Shang Ling
AU - Yu, Zhou
N1 - Funding Information:
The authors gratefully acknowledge the support provided by National Natural Science Foundation of China (Nos. 52108117 and U20A20312 ), Research Foundation of Chongqing University of Science and Technology (No. ckrc2021077 ), Chongqing Natural Science Foundation (No. 2022NSCQ-MSX3349), Special Funding of Chongqing Postdoctoral Research Programs (No. 2021XM3045), Chongqing High-tech Zone Science and Technology Innovation Bureau Project (Research on key technologies of prefabricated, intelligent construction and intelligent operation and maintenance under EPC mode).
Publisher Copyright:
© 2022 Elsevier Ltd
PY - 2023/1/1
Y1 - 2023/1/1
N2 - A refined finite element (FE) model was established to simulate the push-out test of shear stud group connectors (SSGCs). The failure phenomena and interface shear-slip curves obtained by the FE model were compared with the test results and found to be in good agreement. The verified FE model was then used in a parametric analysis, considering the concrete strength, stud diameter, stud height, stud spacings (longitudinal and transverse), strength of grouting material, and number of shear studs in a SSGC. Based on the Winkler foundation model and the comprehensive stiffness principle of thrust piles, a theoretical calculation formula for the stiffness of SSGCs was obtained, considering the concrete material, stud diameter, and number of shear studs in a SSGC. The calculation formula was verified with the test results and fitted with the FE analysis results.
AB - A refined finite element (FE) model was established to simulate the push-out test of shear stud group connectors (SSGCs). The failure phenomena and interface shear-slip curves obtained by the FE model were compared with the test results and found to be in good agreement. The verified FE model was then used in a parametric analysis, considering the concrete strength, stud diameter, stud height, stud spacings (longitudinal and transverse), strength of grouting material, and number of shear studs in a SSGC. Based on the Winkler foundation model and the comprehensive stiffness principle of thrust piles, a theoretical calculation formula for the stiffness of SSGCs was obtained, considering the concrete material, stud diameter, and number of shear studs in a SSGC. The calculation formula was verified with the test results and fitted with the FE analysis results.
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U2 - 10.1016/j.engstruct.2022.115148
DO - 10.1016/j.engstruct.2022.115148
M3 - Article
AN - SCOPUS:85141262152
SN - 0141-0296
VL - 274
JO - Engineering Structures
JF - Engineering Structures
M1 - 115148
ER -