Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load

Liu, Chaojia; Chong, Xiaolei; Wang, Lefan; Zhang, Jichao; Chen, Zhenglei; Lin, Fantong; Bai, Pengkun

doi:10.3390/app12199826

Cited by 4 publications

(1 citation statement)

References 53 publications

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“…To ensure that the slotted grout is not directly exposed to the environment or wheel loads that can cause the material to deteriorate, the dowel slots are set at the base of the Super-Slab system. However, the durability of the joints and the service life of the precast pavement are greatly influenced by the quality of the grouting [40,46].…”

Section: Super-slab Systemmentioning

confidence: 99%

Precast Assembled Road Paving Technology: Progress and Prospects

Tan,

Zhu,

Yang

et al. 2024

Materials

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This article presents a systematic review of the most cutting-edge research on precast pavement technology for the first time. Firstly, precast pavement is divided into two categories, precast cement concrete pavement and precast carpeted flexible pavement, according to the application of precast technology in pavement engineering. Subsequently, the structural characteristics, advantages, and disadvantages of various precast pavement systems are compared and analyzed; technical problems in precast pavement systems are explained; and future development directions are identified. In addition, the text specifically mentions the great contribution of precast carpeted flexible pavement technology in reducing the harmful effects of asphalt fumes on humans and the environment. This work will promote the application of prefabrication in road engineering and provide suggestions and references for subsequent research.

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Section: Super-slab Systemmentioning

confidence: 99%

Precast Assembled Road Paving Technology: Progress and Prospects

Tan,

Zhu,

Yang

et al. 2024

Materials

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In Situ Experimental Analysis and Performance Evaluation of Airport Precast Concrete Pavement System Subjected to Environmental and Moving Airplane Loads

Kim,

Kim

2024

Materials

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The behavior of airport precast concrete pavement (APCP) involving new design and construction concepts was experimentally analyzed under environmental and moving airplane loads, and the long-term performance of the APCP was evaluated using fatigue failure analysis. The strain characteristics and curling behavior of the APCP under environmental loads were comprehensively analyzed. The APCP slabs exhibited a pronounced curling phenomenon similar to conventional concrete pavement slabs. The dynamic response of the APCP subjected to impact loads was analyzed by performing heavy weight deflectometer tests. The test results confirmed that the vertical deformation of the APCP was small and within the typical range of vertical deformation of conventional concrete pavement. The dynamic strain response of the APCP under moving airplane loads was then analyzed and the strain variation during day and night times was compared. The strains during the day were found to be significantly larger than those at night under airplane loads because of the curling phenomenon of the APCP slabs. Finally, the long-term performance of the APCP was evaluated using fatigue failure analysis based on the obtained behavior. Even using the most conservative fatigue failure prediction model, the service life of the APCP was ascertained to be more than 30 years. Based on the overall results of this study, it is concluded that the APCP, which is designed to reduce slab thickness by placing reinforcing bars in the slabs via reinforced concrete structural design, exhibits typical behavior of concrete pavements and can be successfully applied to airport pavement rehabilitation.

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Analysis of Concrete Pavement Slab resting on Non-uniform Elastic Foundation using the Finite Element Method

Hiep

Tien

2023

Eng. Technol. Appl. Sci. Res.

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During the rigid pavement design, the concrete slab working on the base/subbase and subgrade is usually modeled as the slab on the elastic foundation. However, the non-uniform distribution of materials in the base or subgrade layers naturally exists in real conditions and should be considered. In this paper, a finite element method for calculating concrete pavement slabs on an elastic foundation with non-uniform stiffness distribution is developed. This study applies 4-node finite elements and Mindlin plate theory to formulate the finite element equations. The results predicted by the proposed approach are verified analytically. Calculation examples are conducted with the practical settings to investigate the influence of slab and foundation stiffness parameters on the slab displacement.

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Numerical Analysis on the Mechanical Properties of the Concrete Precast Pavement of Runways under the Wheel Load

Cited by 4 publications

References 53 publications

Precast Assembled Road Paving Technology: Progress and Prospects

Precast Assembled Road Paving Technology: Progress and Prospects

In Situ Experimental Analysis and Performance Evaluation of Airport Precast Concrete Pavement System Subjected to Environmental and Moving Airplane Loads

Analysis of Concrete Pavement Slab resting on Non-uniform Elastic Foundation using the Finite Element Method

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