Li Yunfeng, 1993, graduated from the Department of Hydraulic Engineering of North China Institute of Water Resources and Hydropower, and 1996 obtained a master's degree in hydraulic structural engineering. In 2003, he was hired as an associate professor by Shijiazhuang Railway Institute. Now he is a doctoral student majoring in structural engineering at Hohai University. Engaged in the research of concrete material and structure foundation and structural theory of emergency assembly engineering, participated in many national, provincial and ministerial scientific research projects, presided over the scientific research project of the Provincial Department of Education/KLOC-0, and published more than 20 academic papers.