摘要
开口钢箱叠合梁,开口钢箱在下部,砼桥面板在上部,受力非常合理,其充分利用了钢材抗拉性能和砼抗压性能,而且减轻了桥梁的自重。由于开口钢箱叠合梁安装过程受力复杂,可能会引起砼的开裂,因此开口钢箱叠合梁在安装过程需要验算砼桥面板的应力。该文通过大型有限元软件计算分析,验算2跨连续开口钢箱弯桥在安装过程中是否会开裂。
The open steel box composite beams, which open steel box is at the bottom and concrete bridge deck is at the upper, the force is very reasonable. It can full use the advantages of the tensile properties of steel and the compressive properties of concrete, and it can reduce the weight of the bridge. As the force of the installation process of the opening steel box composite beam is very complex and may lead to cracking of concrete, so it requires checking the stress of concrete bridge decks when the installation process of steel box composite beam is ongoing . In this paper, by the large-scale finite element calculation and analysis, we can check whether it will crack during tile installation process of two-span continuous curved steel box bridge.
出处
《建材世界》
2010年第1期104-105,共2页
The World of Building Materials
关键词
弯桥
叠合梁
开口钢箱梁
curved bridge： composite beam
open steel box girder
