求作静定结构影响线的四种简便方法_吴方伯.pdfVIP

30 2 Vol.30 No.2 2009 Journal of Qingdao Technological University 1 1 2 3 1 吴方伯 , 徐　静 , 董向伟 , 喻　言 , 张卫峰 (1. , 410082;2., 034100; 3., 100044) 　:, , 、; , , , . :;; :O342　　　: 　　　:1673—4602(2009)02—0107—05 Four Simple Methods of Drawing Influence Lines of Statically Determinate Structures 1 1 2 3 1 WU Fang-bo , XU Jing , DONG Xiang-wei , YU Yan , ZH NG Wei-feng (1.College of Civil Engineering, Hunan University, Changsha 410082, China; 2.Shanxi Luneng Jinbei luminium Industry Co.Ltd, Yuanping 034100, China; 3.School of Civil Traffic Engineering, Beijing Institute of rchitecture Engineering, Beijing 100044, China) Abstract:This paper, according to typical instances, comprehensively summarizes four sim- ple methods to solve the complex problems concerning the internal force influence line of statically determinate structure.They effectively avoids partitioned discussion of the static method, the present four methodsingeniously resolve the problem resulting from that the ki- nematicmethod fails to directly determine internal force influence line of the statically deter- minate structure.These methods are capable to broaden the problem solving thought, thus are conductive to the teaching and learning of structural mechanis. Key words:statically determinate structures;influence line;simple method 0 　 ,, ,., . 、,, [1-2] :, ;, ;,. :2008—10—07 :(1954-　), , ., , 、 、.E-mail:wfbprof@163.com. 108 30 、,