1. AASHTO LRFD (2021) Bridge design specifications 9th ed., AASHTO, Washington, DC, USA
2. Ahn IS, Friend T (2019) Examination of the variability in grout test results. Center for Environmentally Sustainable Transportation in Cold Climates, University of Alaska Fairbanks, AK, USA
3. Ahn JH, Lee CG, Won JH, Kim SH (2010) Shear resistance of the perfobond shear connector depending on concrete strength and rib arrangement. Journal of Constructional Steel Research (66):1295–1307, DOI: https://doi.org/10.1016/j.jcsr.2010.04.008
4. Chen J, Wang W, Ding FX, Xiang P, Long S (2019) Behavior of an advanced bolted shear connector in prefabricated steel-concrete composite beams. Materials 2019(12):2958, DOI: https://doi.org/10.3390/ma12182958
5. Cho SK, Lee JM, Youn SG, Choi YW (2008) Behavior of stud shear connectors in precast deck using lightweight concrete. Journal of Korean Society of Steel Construction 20(2):227–236 (in Korean)