Case Study on Advanced Hoisting, Positioning, and Control Techniques for Non-Standard Pier Construction in the Quanli-Dongfeng Viaduct ProjectMing Li, Wanping Liu, Yijun Zhou and Chengwei HuangE3S Web of Conf., 512 (2024) 02029DOI: https://doi.org/10.1051/e3sconf/202451202029