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首页> 外文期刊>Journal of Civil Engineering and Science >Exact Solution for Overhanging Slabs of Bridges under Arbitrary Concentrated Load Position
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Exact Solution for Overhanging Slabs of Bridges under Arbitrary Concentrated Load Position

机译：任意集中荷载作用下桥梁悬挑平板的精确解

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Overhanging slabs of bridges are the most sensitive part of the bridge deck, because they have to tolerate high moments and shear forces acting on the cantilever part. So, the behaviors of bridges with overhanging slabs under concentrated loads are complicated. Several load mechanisms can develop depending on the loading and the geometry of the structure. The overhanging slabs of spine beam bridges can be treated as infinite or semi-infinite cantilevers. In this paper, cantilever slabs of varying or constant thickness, with or without edge reinforcement are analyzed under the action of an arbitrary placed point load. The structural actions of spine beam bridges are composed of interacting between the longitudinal behavior and transverse behavior. Therefore, solutions were obtained by means of Fourier Integrals for the deflection, rotation, moment and shear values along the longitudinal and transverse sections of the cantilever. The numerical calculation was done in MATLAB program. Also, a Finite Element analysis was performed using ANSYS to exhibit the accuracy of the numerical solution.
机译：悬挑桥板是桥面板最敏感的部分，因为它们必须承受作用在悬臂部分的高弯矩和剪力。因此，在集中荷载下，带有悬挑板的桥梁的行为是复杂的。根据结构的载荷和几何形状，可以开发出几种载荷机制。脊梁桥的悬挑板可以视为无限悬臂或半无限悬臂。在本文中，分析了在任意放置点荷载作用下，具有或不具有边缘加固的厚度变化或恒定的悬臂楼板。脊梁桥的结构作用由纵向行为和横向行为之间的相互作用组成。因此，借助于傅里叶积分获得了沿悬臂的纵向和横向截面的挠度，旋转，力矩和剪切值的解。数值计算是在MATLAB程序中完成的。此外，使用ANSYS进行了有限元分析，以显示数值解的准确性。

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