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Finite element modeling of slab-foundation interaction on rigid pavement applications

机译:刚性路面应用中板-基础相互作用的有限元建模

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摘要

Bending stresses produced in pavement concrete slabs are influenced by the contact condition along the slab-foundation interface. A finite element model for the analysis of frictional contact between unbonded pavement layers is presented. A 2D plate element is proposed for the idealization of composite slabs. Interface elements are used to connect the unbonded layers within the composite slab and to model the interface between the bottom slab layer and the foundation layer. Interface elements have the ability to capture the separation and sliding between pavement layers, due to thermal loads, and to calculate the frictional traction at their interface.
机译:路面混凝土板产生的弯曲应力受沿板-基础界面的接触条件的影响。提出了一种用于分析未粘结路面层之间的摩擦接触的有限元模型。提出了一种二维板单元用于复合板的理想化。界面元素用于连接复合板中的未粘结层,并为底部板层和基础层之间的界面建模。界面元素具有捕获由于热负荷而引起的路面层之间的分离和滑动的能力,并能够计算界面处的摩擦牵引力。

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