温度作用对钢筒仓结构影响的有限元分析.pdfVIP

32 6 2006 12 S ichu an Bu ild ing Sc ience 47 温度作用对钢筒仓结构影响的有限元分析 1, 2 1 1 1 1 陈 辉 , 袁海庆, 李 盛 , 刘文龙, 高 翔 ( 1. , 430070 2. , 47 1039) : AN SY S 222m 15m , 20 50 , , , , , , , : AN SY S : TU 111 : A : 1008- 1933( 2006) 06- 0047 - 04 The finite elem ent analysis ot the steel silo structures under the temperature effect 1, 2 1 1 1 1 CH EN H u i , YUAN H aiq ing , L I Sh eng , L IU W enlong , GAO X iang ( 1. Schoo l of C iv il Eng ineer ing and A rch itec ture, W uh an U n iversity of T echno logy, W uh an 430070, Ch ina 2. The F ourth D esign ing In stitution o f M ech an ica l Indu stry, L uoyang 47 1039, Ch ina) Abstrac t: T he text crea tes a stee l silo 3D model w h ich is 222 m h igh and has a diam eter of 15 m by u sing the FE so ftw are AN SY S. U nder the sunlight, w hen the surface tem perature o f silo ascends from 20 to 50 , carry through the trans ient therm a l analysis on the m ode l get the d istr ibu tion of temp erature f ie ld, w h ich is u sed as the therm a l loads to app ly on the FE m ode l to get the d isc iplinarian of tem p era ture stress on the w a ll o f s ilo. T he analysis result show s th at the th inw a ll o f silo br ing s tem p era ture stress, w hen it is con stra ined by ex ter io r resistance, w h ich is du e to the change o f temp erature, and the distortion effect on the stru ctures shou ld be p ay attention to in eng ineer ing design. K ey word s: stee l silo therm a l stress f in ite e lem ent analysis AN SY S G B50322 - 2001 0 [ 2]