Cho, Doo-Yong, Ho-Seong Jeong Jeong, and Jin-Woong Choi. “A Study of the Bolt Connection System for a Concrete Barrier of a Modular Bridge”. International Journal of Engineering and Technology Innovation 8, no. 2 (March 30, 2018): 107–117. Accessed March 29, 2024. https://ojs.imeti.org/index.php/IJETI/article/view/921.