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Corresponding Author

郭成超guo cheng chao

Abstract

To study the void problem of airport cement concrete pavement slabs, a three-dimensional model of the airport pavement structure was established using finite element software. The stress distribution of the pavement slabs under the action of self-weight stress and aircraft load was calculated, and the force characteristics of different voids at different positions along the joints were studied. The calculation results show that under the action of self-weight stress, in addition to the stress concentration occurring in the middle of the void, the stress concentration phenomenon will also occur at the edge of the void, that is, the critical surface between the void area and the non-void area. Under the action of aircraft load, stress concentration occurs in the middle of the void area, and the panel with a large void area has a higher stress peak than the one with a small void area. Therefore, for the void area at the bottom of the plate, it is necessary to track and detect it in a timely manner and deal with it promptly to prevent further aggravation of the void.

Publication Date

6-18-2022

DOI

10.14048/j.issn.1671-2579.2022.03.007

First Page

36

Last Page

42

Submission Date

May 2025

Reference

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