贮料对钢仓壁面静动压力特性的弹塑性分析.pdf

32 3 2006 6 S ichuan Bu ild ing Science 23 贮料对钢仓壁面静动压力特性的弹塑性分析 王丽艳, 袁新明 ( , 225009) : , M arc, , Jan ssen, , , , : ; ; ; ; J an ssen ; : TU 3926 : A : 100 8- 19 33( 2006) 03- 0023- 03 The elastic and plastic analysis of static and dynam ic characters of steel silo w ith stored m aterials acting on its w all W ANG L iyan, YUAN X inm ing ( Co llege of H ydrau lic Sc ience and Eng ineer ing, Y angzhou U niversity, Y angzhou 225009, Ch ina) A bstrac t: By cons idering the interaction o f foundation and struc ture, in th is p ap er, the static pressure acting on steel silo w a ll is smi u lated by 3D contact arithm etic w hose boundary cond ition is high ly nonlinear and is prov ided by M arc program T he com p arison betw een co rresponding stress and displacem en t resu ltsw ith th at from J an ssens static fo rmu la show s the ra tiona lity of th is h ighly non linear contact arithm etic T hen the dynam ic ch aracters are further ly ana ly zed by the dynam ic form ula The results show th at the bottom of steel silo is the m ost mi portan t part, in w h ich the rig idity and streng th shou ld been strengthened, and are helpfu l for the design and app lication of stee l silo K ey w ord s: stee l silo; f initee lem en tm ethod; elastic and plastic; sta tic contact; Jan ssen form ula; dynam ic hor izonta l pressure , 0 , , [ 1] , , , ; , , ,