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Abstract: Development of Structural Testing Equipment for Impact and Complex LoadingReturn to previous page
By Yan Xiao, Zhejiang University – University of Illinois at Urbana Champaign Institute (ZJUI), China
This paper summarizes the author’s experiences of developing various impact testing equipment and equipment for complex loading for structural research. The equipment include large diameter split Hopkinson pressure bars (SHPB), large-scale drop-weight testing equipment, field-test facility of truck collisions and multi-axes loading equipment. Several forms of building and bridge columns were tested under axial or lateral impact loads, simulating vehicular impact actions, sudden collapse and blasts. For vehicular impact action, a procedure of establishing simulative vehicular frame is proposed, making the vehicular loading tests much easier. Fundamental tests on concrete cylinders and confined concrete cylinders under high-strain rate impacts were also carried using a large-diameter split Hopkinson pressure bar (SHPB) equipment. Large to full-scale reinforced concrete or steel structures were also studied experimentally, using the developed equipment.
Dr. Xiao is a Changjiang/Qianren Distinguished Professor and serves as the Program Director for Energy, Environment and Infrastructure Sciences, in the Zhejiang University – University of Illinois at Urbana Champaign Institute (ZJUI). Dr. Xiao received his Bachelor of Engineering degree from the Tianjin University, China, in 1982, his Master and Doctor of Engineering degrees from the Kyushu University, Japan, in 1986 and 1989, respectively. Prof. Xiao’s professional and academic experiences include research engineer at the Aoki Corporation, Tokyo, Japan, Post-doc, lecturer and assistant research scientist at University of California, San Diego, tenure-track and tenured professor at the University of Southern California. He was a tenured full professor until 2011, and currently is a research Professor in the Sonny Astani Department of Civil and Environmental Engineering, University of Southern California. He was previously the Dean of the Civil Engineering College at the Nanjing Tech University, and the Hunan University. He serves as the associate editors for the American Society of Civil Engineers (ASCE) Journal of Structural Engineering, Journal of Bridge Engineering, and editorial board member of the Journal of Constructional Steel Research. He is an elected fellow of the American Society of Civil Engineers (ASCE) and American Concrete Institute (ACI). He is a registered Professional Engineer in California.
Prof. Xiao is an expert in structural engineering with overall goal towards sustainable development, and has made well known contributions in areas related to confined concrete, hybrid and composite structures, applications of advanced composites, retrofit/repair of structures, impact effects, and large-scale experimentation, etc. His recent research and industrial development efforts are focused on developing modern bamboo structures for buildings and bridges with the goal of promoting environmentally and eco-friendly construction