摘要
基于有限元理论,利用有限元分析软件,对灵江大桥建立了平面梁单元模型,并采用指定内力状态法中的刚性支承连续梁法,对成桥恒载下不同塔高下主梁的内力、位移和斜拉索的应力变幅及其用量进行了对比分析。
Based on finite element theory,with the finite element analysis software,the plane beam element model of Lingjiang big Bridge was built.The main beam inner force,displacement and cable stayed stress amplitude and usage of different tower height under dead loading were compared and analyzed with the assigned rigid bearing continuous beam method of inner force situation.
出处
《山西建筑》
2010年第4期332-333,共2页
Shanxi Architecture
关键词
矮塔斜拉桥
索塔优化
刚性支承梁法
Extradosed PC bridge
cable tower optimization
rigid bearing beam method
