..., culvert cement concrete spread pack thin layer [gap=575]Key words】Spread pack layer; Thin layer; Repair桥、涵铺装层破坏是公路桥、涵的常见病害，以新（新乡）郑（郑州）高速公路为例，每年桥面铺装层损坏面积占维修总面积的1/5。
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In the ordinary bridge design and calculation, the influence of the on the structure performance was neglected,as the overlaid pavement and the main bridge structure not work together.
传统桥梁结构设计和计算中不考虑铺装层与主体结构共同受力,忽略铺装层对结构受力性能的影响。
参考来源 - 桥面铺装层叠合效应的受力分析研究·2,447,543篇论文数据，部分数据来源于NoteExpress
近年来随着交通量的持续增加，越来越多的刚性桥面铺装层发生了提早破坏。
With the increasing of traffic, more and more rigid bridge deck pavements happen with the damages in advance.
研究了铺装层应力场分布，回归统计了随轴载作用次数增加，应力应变的变化规律。
The regression statistical method has been used to analyze the law of stress and strain as The Times under the function of axial load increases.
影响正交异性钢桥面铺装层力学性能的重要参数有铺装层的厚度和沥青混凝土铺装层的模量。
The important parameters that influence the mechanical property of the paving layer on an orthotropic steel bridge deck are the paving layer thickness and modulus of the asphalt concrete surfacing.
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