摘要
本文用荷载增量法，考虑几何非线性、施工加载历程及构件极限承载力的影响，对大跨度ＲＣ拱桥钢管混凝土劲性骨架施工阶段稳定性进行了分析，并研制了相应的微机程序。所得结论有助于大桥劲性骨架的设计与施工监控。
In this paper, according to the load incremental method, and making the consideraton of geometric nonlinearity, loading process during construction and the effect of ultimate bearing capocity of structural members, the authors have finished the aralysis of stability during construction of the steel-tube concrete stiff skeleton of long-span RC arch bridge, and developed the conresponding microcompu ter program. The results and conclusions will help a lot in designing and construction control of long-span arch bridges.
出处
《西南交通大学学报》
EI
CSCD
北大核心
1994年第4期446-452,共7页
Journal of Southwest Jiaotong University
关键词
拱桥
钢筋混凝土
劲性骨架
稳定性
arch bridge
reinforced concete
finite element method
non-linear stability
stiff skeleton: the load incremental method
