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bridge engineering substructure design pdf

Lian Duan is a Senior Bridge Engineer with the California Department of Transportation (Caltrans) and Professor of Structural Engineering at Taiyuan University of Technology, China. He received his B.S. in civil engineering in 1975 and his M.S. in structural engineering in 1981 from Taiyuan University of Technology. He received his Ph.D. in structural engineering from Purdue University, West Lafayette, Indiana in 1990. Dr. Duan worked at the Northeastern China Power Design Institute from 1975 to

His research interests include inelastic behavior of reinforced concrete and steel structures, structural stability, and seismic bridge analysis and design. Dr. Duan has authored or coauthored more
than 60 papers, chapters, ad reports; his research focuses on the development of unified interaction equations for steel beam columns, flexural stiffness of reinforced concrete members, effective length factors of compression members, and design of bridge structures.

Dr. Duan is an esteemed practicing engineer and is registered as a P.E. in California. He has designed
numerous building and bridge structures. He was lead engineer for the development of the seismic retrofit design criteria for the San Francisco-Oakland Bay Bridge west spans and made significant contributions to this project.

He is coeditor of the Structural Engineering Handbook CRCnetBase 2000 (CRC Press, 2000) and The Bridge Engineering Handbook (CRC Press, 2000), winner of Choice magazine’s Outstanding Academic Title Award for 2000. Dr. Duan received the ASCE 2001 Arthur M. Wellington Prize for his paper “Section Properties for Latticed Members of the San Francisco-Oakland Bay Bridge.” He currently serves as Caltrans Structural Steel Committee Chairman and is a member of the Transportation Research Board A2CO2 Steel Bridge Committee.