作者单位:LI Shou-ju(State Key Laboratory of Structural Analysis for Industrial Equipment,Dalian University of Technology,Dalian 116024,China)李守巨(大连理工大学工业装备结构分析国家重点实验室,辽宁大连116024)YU He(College of Architectural Engineering,Shenyang University of Technology,Shenyang 110023,China)于贺(沈阳工业大学建筑工程学院,沈阳110023)CAO Li-juan(School of Mechanical Engineering,Dalian Ocean University of Technology,Dalian 116024,China)曹丽娟(大连海洋大学机械工程学院,辽宁大连116023)