Study on Seismic Damage Mechanism of Dredger Fill Ground in Tianjin Binhai Area Fu Zhanling, Liu Fang, Cao Jingquan, Gao Wuping and Yao Xinqiang E3S Web Conf., 253 (2021) 01001 Published online: 06 May 2021 DOI: 10.1051/e3sconf/202125301001