应用双换算法和有限元计算程序分析连续梁桥的徐变次内力  

Creep Secondary Internal Force for Continuous Beam Bridges Analyzed by Method of Two Conversion Coefficients and Finit Element Computer Program

作　　者：程翔云[1] 

机构地区：[1]湖南大学土木工程学院,长沙市410082

出　　处：《公路》2003年第12期19-22,共4页Highway

摘　　要：应用换算弹性模量和荷载换算系数 ,建立了计算连续梁桥徐变次内力的计算模型。本法具有概念明确、易于用有限元法计算程序进行计算。Applying the conversion elastic modulus and conversion coefficient of load, the computer model for calculation of creep secondary internal force for continuous beam bridges is established. This method has advantages of clearing concept, easy calculation by finit element computer program, higher precision and wide applicability for continuous beam bridges with different construction technique.

关 键 词：双换算法 有限元计算程序分析 连续梁桥 弹性模量 荷载换算系数 徐变次内力 计算模型 

分 类 号：U448.215[建筑科学—桥梁与隧道工程]