TY - JOUR
T1 - Experimental and finite element investigations on shear behaviors of stud connectors embedded in Engineered Cementitious Composite (ECC)
AU - Liu, Yiming
AU - Bao, Yi
AU - Deng, Lu
AU - Zhang, Qinghua
N1 - Publisher Copyright:
© 2022 Elsevier Ltd
PY - 2023/2/15
Y1 - 2023/2/15
N2 - Engineered Cementitious Composite (ECC) exhibits superior mechanical properties such as high tensile strength, ductility, and toughness, which enable using thinner sections in steel-ECC composite structures. Existing design equations for the shear capacity of stud connectors were derived by regression analysis of test data from push-out specimens using normal concrete, which often have stud height-to-diameter ratios above 4. This research investigates the shear behaviors of stud connectors, with different height-to-diameter ratios from 2.73 to 4.62, embedded in ECC. Push-out tests showed that the height-to-diameter ratio is important for the shear capacity of studs. Finite element analysis was performed to evaluate the effects of the diameter, height-to-diameter ratio, and tensile strength of studs as well as the compressive properties of ECC on the shear behaviors. Regression analysis was performed using the analysis data to modify the equations for predicting the shear capacity of studs embedded in ECC for steel-ECC composite structures.
AB - Engineered Cementitious Composite (ECC) exhibits superior mechanical properties such as high tensile strength, ductility, and toughness, which enable using thinner sections in steel-ECC composite structures. Existing design equations for the shear capacity of stud connectors were derived by regression analysis of test data from push-out specimens using normal concrete, which often have stud height-to-diameter ratios above 4. This research investigates the shear behaviors of stud connectors, with different height-to-diameter ratios from 2.73 to 4.62, embedded in ECC. Push-out tests showed that the height-to-diameter ratio is important for the shear capacity of studs. Finite element analysis was performed to evaluate the effects of the diameter, height-to-diameter ratio, and tensile strength of studs as well as the compressive properties of ECC on the shear behaviors. Regression analysis was performed using the analysis data to modify the equations for predicting the shear capacity of studs embedded in ECC for steel-ECC composite structures.
KW - Composite structure
KW - Engineered cementitious composite (ECC)
KW - Finite element analysis
KW - Shear behavior
KW - Stud connector
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U2 - 10.1016/j.engstruct.2022.115438
DO - 10.1016/j.engstruct.2022.115438
M3 - Article
AN - SCOPUS:85144470040
SN - 0141-0296
VL - 277
JO - Engineering Structures
JF - Engineering Structures
M1 - 115438
ER -