论文部分内容阅读
为了研究空心板桥铰缝结构在超载作用下的病害机理,用有限元软件ABAQUS6.8建立了铰缝的塑性损伤模型,模拟其在超载15%、30%、45%、60%、75%、100%作用下的受力状态。文章着重分析了铰缝结构纵向正应力、横向正应力、竖向剪应力及纵向剪应力及变形,从而得到空心板桥铰缝结构在超载作用下应力及变形规律。
In order to study the disease mechanism of the hollow slab bridge under the overload, the plastic damage model of the joint was established by finite element software ABAQUS6.8 to simulate the damage of the joint under the overload of 15%, 30%, 45%, 60%, 75% , 100% under the force state. In this paper, the longitudinal normal stress, transverse normal stress, vertical shear stress, longitudinal shear stress and deformation of the hinge joint structure are analyzed emphatically. The stress and deformation rules of the hinge structure of the hollow slab bridge under overload are obtained.