Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load
This study aims to investigate the mechanical characteristics of precast concrete runway cement pavement under the wheel load of aircraft, and to promote the construction of precast concrete pavement. In this study, based on the elastic layered Boussinesq calculation theory and ABAQUS finite element...
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MDPI AG
2022-09-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/12/19/9826 |
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| author | Chaojia Liu Xiaolei Chong Lefan Wang Jichao Zhang Zhenglei Chen Fantong Lin Pengkun Bai |
| author_facet | Chaojia Liu Xiaolei Chong Lefan Wang Jichao Zhang Zhenglei Chen Fantong Lin Pengkun Bai |
| author_sort | Chaojia Liu |
| collection | DOAJ |
| description | This study aims to investigate the mechanical characteristics of precast concrete runway cement pavement under the wheel load of aircraft, and to promote the construction of precast concrete pavement. In this study, based on the elastic layered Boussinesq calculation theory and ABAQUS finite element numerical model, the distribution law of stress, the displacement of the aircraft wheel load acting on different positions of the pavement slab, the influence of the added dowel bar on the pavement slab, and the load transfer between adjacent slabs are obtained. The results revealed that when the wheel load of the aircraft acts on the edge and joint of the slab, the vertical stress of the adjacent slab edge is largest, followed by the middle of the slab, and then the joint; the maximum vertical stress is 0.295 MPa. Furthermore, the aircraft wheel load on the slab edge, and the joint vertical displacement, is larger than that of the slab middle, and the adjacent slab edge transverse displacement attenuation coefficient is approximate. Moreover, the load transfer efficiency of the dowel bar was lower when the wheel load of the aircraft was closer to another unloaded slab. Finally, the validity and sensitivity of the simulation results are verified by laboratory test data. These results can provide a reference and suggestions for the design and production of the precast concrete pavement of airport runways. |
| first_indexed | 2024-03-09T22:02:42Z |
| format | Article |
| id | doaj.art-87a3ae3e37204e9580ca4b2a9f328308 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-09T22:02:42Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-87a3ae3e37204e9580ca4b2a9f3283082023-11-23T19:46:17ZengMDPI AGApplied Sciences2076-34172022-09-011219982610.3390/app12199826Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel LoadChaojia Liu0Xiaolei Chong1Lefan Wang2Jichao Zhang3Zhenglei Chen4Fantong Lin5Pengkun Bai6School of Aeronautical Engineering, Air Force Engineering University, Xi’an 710038, ChinaSchool of Aeronautical Engineering, Air Force Engineering University, Xi’an 710038, ChinaSchool of Aeronautical Engineering, Air Force Engineering University, Xi’an 710038, ChinaSchool of Aeronautical Engineering, Air Force Engineering University, Xi’an 710038, ChinaSchool of Aeronautical Engineering, Air Force Engineering University, Xi’an 710038, ChinaInstitute of Defense Engineering, AMS, PLA, Beijing 100850, ChinaSchool of Aeronautical Engineering, Air Force Engineering University, Xi’an 710038, ChinaThis study aims to investigate the mechanical characteristics of precast concrete runway cement pavement under the wheel load of aircraft, and to promote the construction of precast concrete pavement. In this study, based on the elastic layered Boussinesq calculation theory and ABAQUS finite element numerical model, the distribution law of stress, the displacement of the aircraft wheel load acting on different positions of the pavement slab, the influence of the added dowel bar on the pavement slab, and the load transfer between adjacent slabs are obtained. The results revealed that when the wheel load of the aircraft acts on the edge and joint of the slab, the vertical stress of the adjacent slab edge is largest, followed by the middle of the slab, and then the joint; the maximum vertical stress is 0.295 MPa. Furthermore, the aircraft wheel load on the slab edge, and the joint vertical displacement, is larger than that of the slab middle, and the adjacent slab edge transverse displacement attenuation coefficient is approximate. Moreover, the load transfer efficiency of the dowel bar was lower when the wheel load of the aircraft was closer to another unloaded slab. Finally, the validity and sensitivity of the simulation results are verified by laboratory test data. These results can provide a reference and suggestions for the design and production of the precast concrete pavement of airport runways.https://www.mdpi.com/2076-3417/12/19/9826airport engineeringaircraft wheel loadprecast pavementstress and displacementthe deflection load transfer coefficient |
| spellingShingle | Chaojia Liu Xiaolei Chong Lefan Wang Jichao Zhang Zhenglei Chen Fantong Lin Pengkun Bai Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load Applied Sciences airport engineering aircraft wheel load precast pavement stress and displacement the deflection load transfer coefficient |
| title | Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load |
| title_full | Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load |
| title_fullStr | Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load |
| title_full_unstemmed | Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load |
| title_short | Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load |
| title_sort | numerical analysis on the mechanical properties of the concrete precast pavement of runways under the wheel load |
| topic | airport engineering aircraft wheel load precast pavement stress and displacement the deflection load transfer coefficient |
| url | https://www.mdpi.com/2076-3417/12/19/9826 |
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