| Citation: | ZHANG Xianmin, LIU Xiaolan, ZHANG Ziwenet al. Rigid pavement load transfer ability of airport based on vibration characteristics[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(9): 1787-1796. doi: 10.13700/j.bh.1001-5965.2017.0687(in Chinese)
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Load transfer ability needs to be detected termly to guide the maintenance and usage of concrete pavement of airport, while using the existing methods (such as falling weight deflectometer) is difficult to implement airport testing in remote mountain areas and the areas where transportation is difficult. Therefore, a bumping method of common vehicle is proposed to analyze the influence of dowel bar and pavement structure parameters on load transfer ability and pavement vibration characteristics (i.e., fundamental frequency, amplitude and phase difference). It is found that the elasticity modulus of dowel bar and subgrade modulus are the main effect factors. The quantitative relationship between load transfer ability and pavement vibration cha-racteristics is established with multiple factors, and the accuracy of formulas and the feasibility of bumping method are verified by outdoor experiments.
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