摘要
以某月亮钢箱拱曲线连续箱梁桥作为研究对象,通过整体有限元计算,对该桥的月亮拱肋和钢主梁进行强度、刚度和稳定性分析,对其吊索安全系数进行分析;建立钢混结合段的局部仿真模型,在最不利荷载作用下,计算钢锚箱和钢拱肋的最大正应力和最大剪应力。该月亮钢箱拱曲线箱梁桥造型美观独特,整体刚度较大,跨越能力强,施工较为简单,能为今后类似工程的设计提供宝贵的借鉴意义。
Taking a moon steel box-arch curve continuous box-girder bridge as a research object,through the overall finite element calculation,the moon arch rib and main steel girder of the bridge are analyzed on strength,stiffness and stability,and analyzed on the safety coefficients of its sling.The local simulation model of the steel-concrete composite section is established to calculate the maximum normal stress and the maximum shear stress of the steel anchor box and the steel arch rib under the most unfavorable load.This moon steel box-arch curve box-girder bridge has a unique and beautiful shape.Its integral rigidity is large,its spanning capacity is strong and its construction is simpler.The valuable reference can be provided for the design of the similar projects in the future.
出处
《城市道桥与防洪》
2020年第8期131-134,M0014,共5页
Urban Roads Bridges & Flood Control
关键词
月亮钢箱拱
曲线箱梁桥
钢混结合段
力学性能
moon steel box arch
curve box-girder bridge
steel-concrete composite section
mechanical properties
