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Resilient behaviour of paving materials and the change in deflection levelwith time

机译:铺路材料的弹性行为及偏转水平的变化

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The aim of this paper is to show the results obtained with the adoption of deflectometric controlduring the construction process of two experimental sections located in the state of Santa Catarina, Brazil.Deflection basins were measured in all layers of the pavement structure built, using Benkelman beam. Dynamictriaxial testing was conducted to determine the resilient behavior of the materials used in the construction. Withthe use of the Kenlayer program, load application was simulated directly upon the subgrade, the base courseand the surface course, thus simulating the measure of deflections in each layer built during the constructionprocess. Such modeling verified that the modulus values and the deflections calculated were identical to thefield values. The work conducted shows that deflection control during the construction process, associated withmechanistic analysis, constituted a valuable procedure for the analysis and certification of the pavement structureconstructed.
机译:本文的目的是展示通过采用偏转测量的偏转测量而获得的结果,其两个实验部分的建筑过程位于巴西,巴西。在建造的路面结构的所有层中测量,使用BENKELMAN BEAM测量。进行动态传导测试以确定结构中使用的材料的弹性行为。利用Kenlayer程序的使用,直接在路基上模拟了Load应用,基础Courseand的表面课程,从而模拟了在构造过程中构建的每层的偏转量。这种建模验证了计算的模数值和计算出的偏转与菲尔德值相同。所进行的工作表明,施工过程中的偏转控制有关的施工过程,有关的是机械分析,构成了对人行道结构的分析和认证的有价值的程序。

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