1May, 968, transferred to the bridge and tunnel to participate in the survey and design of the bridge and tunnel;
1August, 1968, he was sent to the design battle group of Dabashan extra-long tunnel (20 kilometers long) of Xiangyu Railway, and participated in the survey and design of Dabashan tunnel, which lasted nearly one year. Later, influenced by the Cultural Revolution, the short tunnel scheme was adopted.
On July 1969, it was transferred to Qiao Yuan Tunnel, and was sent to the headquarters of Ankang Second Hospital after the comprehensive construction of Xiangpu Line, responsible for the coordinated construction and design modification of the whole tunnel;
1at the end of 974, transferred back to the production team of Military Management Committee of Chengdu Second Hospital, responsible for the tunnel technical work of the whole hospital;
65438+May 0977-65438+May 0982: transferred to the Fourth Survey and Design Institute of the Ministry of Railways as an engineer;
1may 1982-1may 1989: served as chief engineer, presided over the design and research of tunnels and underground works, focusing on the design and research of Dayaoshan extra-long tunnel (14.3km) and Nanling tunnel in complex karst areas;
1989 promoted to senior engineer, 1993 promoted to professor-level senior engineer (Gao Zheng);
1995 was hired as an adjunct professor at Southwest Jiaotong University;
1993 was appointed as the overall design director of the preliminary scientific research and engineering feasibility study of Nanjing and Wuhan Yangtze River underwater tunnels, and was employed as a member of the expert committee after construction;
In addition, he is a director of china civil engineering society Tunnel and Underground Engineering Society, and went to Japan twice for technical inspection.