宾夕法尼亚州立大学陈幼佳教授应邀为我院师生作“Structural steel design - AISC versus GB: Principles and examples”学术报告
6月4日上午，宾夕法尼亚州立大学陈幼佳教授应邀来到我院，在明志楼A536为师生们带来了一场题为“Structural steel design - AISC versus GB: Principles and examples（钢结构设计—AISC与GB对比：原理与示例）”的精彩学术报告。本次报告由我院院长甘丹教授主持，吸引了众多青年教师和研究生的参与。
报告伊始，陈幼佳教授以2023版美国AISC LRFD（荷载和强度系数设计）与2017版中国GB 50017（钢结构设计标准）为核心，介绍了两者的设计理念。AISC LRFD设计基于概率论方法，强调通过荷载与抗力因子实现安全性与经济性的平衡；GB规范则更倾向于采用统一的强度设计值，简化了计算过程，但可能在某些情况下导致设计偏保守。为直观展现中美规范在工程实践中的差异，陈教授列举多个具体案例，详细对比了二者在应力计算、稳定性校核及螺栓连接设计中的不同。例如，在相同荷载条件下，GB规范对螺栓连接的设计要求比AISC高出约28.7%，而在焊接连接中，GB的保守性甚至可能达到42%。陈教授强调，这种差异源于两国规范对安全储备、材料性能及施工工艺的不同考量。
最后，陈幼佳教授与现场师生就如何在实际工程中选择合适的规范、如何优化设计以提高经济性等问题展开了热烈讨论。陈教授表示，随着全球化进程的加快，中美规范的融合趋势日益明显，工程师应具备跨规范设计的能力，并结合项目特点灵活应用。本次讲座为师生提供了宝贵的国际视野，促进了中美钢结构设计规范的交流与学习，对理解中美钢结构设计差异具有重要意义。
Frank Chen is a professor emeritus of the Pennsylvania State University, USA. His research covered broadly on dynamic soil-structure interaction, computational methods, limit states design, seismic analysis and design, floor vibrations, sustainable materials, geo-environmental engineering, historical structures, composite structures, wind engineering, high-speed rail bridges, and AI applications. His publication record includes 321 high quality refereed journal papers, 2 technical manuals, 58 plus research reports, 1 book, 3 book chapters, and 1 patent. Also, he is a registered professional engineer and has been an active technical consultant to various organizations. Prof. Chen has received a number of honors and awards including Outstanding Research Award from the University (multiples), Research Fellow from National Sciences Council on Taiwan (multiples), Daniel P. Jenny Research Award from Prestressed Concrete Institute (twice). Prof. Chen has been actively involved with various technical committees within ASCE (American Society of Civil Engineers), ACI (American Concrete Institute), AISC (American Institute of Steel Construction), and AASHTO (American Association of State Highway and Transportation Officials). He has been also an editor for Materials Testing (Germany), Journal of Structural Integrity and Maintenance (UK), and Engineering Applications of Artificial Intelligence (UK).
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