Experimental study on bonding property of sealing layer under pavement of airport asphalt concrete

Abstract

Abstract: In order to study the bonding performance of the sealing layer of asphalt concrete pavement in the airport, firstly, the regularities of interlayer shear strength of synchronous gravel sealing layer and asphalt sand sealing layer under different conditions are analyzed by oblique shear test. The results show that, at the same temperature and type of asphalt, the adhesion of asphalt sand sealing layer is better than synchronous gravel sealing layer; secondly, A380 -800 aircraft is taken as the evaluation model, ABAQUS finite element software is used for numerical simulation analysis, it turns out that asphalt sand sealing layer and synchronous gravel sealing layer can meet the requirements of shear strength, but the shear strength of asphalt sand sealing layer is much higher.

Key words: airport asphalt concrete pavement, synchronous gravel, asphalt sands, lower sealing layer, oblique shear test, finite element numerical simulation

CLC Number:

V351.1

HAO Xiuwen. Experimental study on bonding property of sealing layer under pavement of airport asphalt concrete[J]. Journal of Civil Aviation University of China, 2022, 40(5): 31-38.

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