Hou, Chongchi, Wenzhong Zheng, and Wei Chang. “Behaviour of High-Strength Concrete Circular Columns Confined by High-Strength Spirals under Concentric Compression”. Journal of Civil Engineering and Management 26, no. 6 (June 23, 2020): 564-578. Accessed April 25, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/12913.