Evaluation of dowel bar diameter and spacing effects on the stress and deflection of airfield rigid pavements using the finite element method
Email:
hieunv@lqdtu.edu.vn
Từ khóa:
Airfield rigid pavement, dowel bars, finite element method, stress, deflection
Tóm tắt
Mitigating the effects of thermal stress and shrinkage in airfield concrete pavements typically involves dividing the pavement into individual slabs of appropriate dimensions. Under aircraft wheel loading, the slab edges and corners are subjected to the most critical and unfavorable stress states. To reduce these disadvantages, dowel bars must be placed along both the longitudinal and transverse joints to transfer part of the applied load from the loaded slab to the adjacent one. Improper selection of dowel diameter or spacing can significantly diminish the pavement’s load-bearing capacity and shorten its service life. In this study, the finite element software ABAQUS was used to examine the influence of dowel bar diameter and spacing on the stress and deflection responses of airfield concrete slabs subjected to B737-500 aircraft loading. The numerical model considered two commonly used slab thicknesses: 0.30 m and 0.40 m. The results indicate that, for a constant dowel diameter, the deflection and stress increase sharply as dowel spacing increases from 0.1 m to 0.4 m, while changes become negligible beyond 0.40 m. Conversely, when spacing is kept constant, increasing the dowel diameter from 20 mm to 40 mm substantially reduces stress and deflection, with further increases yielding minimal additional benefit. These findings provide useful guidance for selecting appropriate dowel dimensions in the design of airfield concrete pavementsTài liệu tham khảo
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[31]. MH/T 5004-2025, Specifications for Airport Cement Concrete Pavement Design, Civil Aviation Administration of China - CAAC, 2025 (in Chinese).
[2]. Y. H. Huang, A computer package for structural analysis of concrete pavements, In Proceedings of the 3rd International Conference on Concrete Pavement Design and Rehabilitation, Purdue University, West Lafayette, 1985, pp. 295-307.
[3]. A. M. Tabatabai, E. J. Barenberg, Finite-element analysis of jointed or cracked concrete pavements, Transportation Research Board, Washington D.C., 1978, pp. 11-19.
[4]. V. V. Tatarinov, Tien Dung Vo, Calculation of the edge zone of the airfield pavement slab using the finite element method, Design construction and operation of airfields: collection of scientific papers, Tekhnopoligraftsentr, 2025, pp. 6-16 (in Russian).
[5]. Tien Dung Vo, Van Hieu Nguyen, Van Thuy Do, Huu Lam Nguyen, Research on application of finite element method to analyze load transfer efficiency according to deflection of airport rigid pavement, Journal of Science and Technique, 07 (2024) 7-18. https://doi.org/10.56651/lqdtu.jst.v7.n01.825.sce
[6]. Piotr Mackiewicz, Finite-Element Analysis of Stress Concentration around Dowel Bars in Jointed Plain Concrete Pavement, Journal of Transportation Engineering, (2015) 06015001-1-8. https://dx.doi.org/10.1061/(ASCE)TE.1943-5436.0000768
[7]. Antoni Szydlo, Piotr Mackiewicz, Thermal Stress Analysis in Concrete Pavements, Journal of Transportation Engineering, Part B: Pavements, 73 (2020) 06020002-1-11.
[8]. Hoang Khac Tuan, Pham Ngoc Thach, Cement concrete pavement on elastic foundation: Behavior due to temperature difference and simultaneous vehicle load, Proceedings of the school-level scientific conference, 2022, pp. 139-149 (in Vietnamese).
[9]. UFC 3-260-02, Pavement Design for Airfields, Washington, DC: Department of Defense, 2001.
[10]. AC 150/5320-6G, Airport Pavement Design and Evaluation, Washington, DC: U.S. Department of Transportation, 2021.
[11]. AC 150/5320-6F, Airport Pavement Design and Evaluation, Washington, DC: U.S. Department of Transportation, 2016.
[12]. Nguyen Quoc Van, Trinh Trung Tien, Research on thermal stress in cement concrete slabs, Vietnam Bridge and Road Journal, 2022, pp. 48-51 (in Vietnamese).
[13]. Tran Nam Hung, Le Van Phuong, Analysis of heat transfer in cement concrete pavement using three-dimensional heat transfer model, Journal of Science and Technology, 2019, pp. 112-121 (in Vietnamese).
[14]. Qiao Meng, KeZhong and Mingzhi Sun, Dynamic Response Analysis of Airport Pavement under Impact Loading, Appl. Sci., 13 (2023) 5723. https://doi.org/10.3390/app13095723
[15]. A. Jagadeesh, W. A.A.S. Premarathna, A. Kumar, C. Kasbergen, S. Erkens, Finite element modelling of jointed plain concrete pavements under rolling forklift tire, Engineering Structures, 328 (2025) 119705. https://doi.org/10.1016/j.engstruct.2025.119705
[16]. A. T. Goldbeck, Thickness of Concrete Slabs, Public Roads,1 (1919) 34-38.
[17]. C. Older, Highway Research in Minors, Transactions of the American Society of Civil Engineers. vol.87, 1924.
[18]. H.M. Westergaard, Stresses in Concrete Pavements Computed by Theoretical Analysis, Public Roads 7 (1926) 25-35.
[19]. A. M. Ioannides, M. R. Thompson M and E. J. Barenberg, Westergaard Solutions Reconsidered, Transportation Research Record 1043, Transportation Research Board, 1985, pp. 13-23.
[20]. H. M. Westergaard, New Formulas for Stresses in Concrete Pavements of Airfields, Transactions American Society of Civil Engineers, 113 (1948)425-439.
[21]. H. M. Westergaard, Analytical Tools for Judging Results of Structural Tests of Concrete Pavements, Public Roads, 14 (1933) 185-188.
[22]. TCVN 10907:2015, Civil Aerodrome - Pavement - Specifications for Design, Directorate for Standards, Metrology and Quality, 2015 (in Vietnamese).
[23]. SP.121.13330-2019, SNiP 32-03-96 Airfields, Ministry of Construction and Housing and Communal Services of the Russian Federation, 2019 (in Russian).
[24]. Saigon Asia Inspection and Consulting Joint Stock Company, Report on measuring and evaluating the load-bearing capacity of taxiway S, runway surface of Tan Son Nhat International Airport, 2022 (in Vietnamese).
[25]. PCA, Design of Concrete Airport Pavement, Portland Cement Association, 1955.
[26]. FAARFIELD (Version 2.1.1) [Computer software], FAARFIELD Aircraft Database, FAA Aviation Data Center, 2023. https://www.airporttech.tc.faa.gov/Products/Airport-Safety-Papers-Publications/Airport-Safety-Detail/faarfield-211
[27]. AASHTO, Guide for Design of Pavement Structures, Washington, DC: American Association of State Highway and Transportation Officials, 1993.
[28]. Ahmed Ebrahim Abu El-Maaty, Ghada Mousa Hekal and M. Eman Salah El-Din, Modeling of Dowel Jointed Rigid Airfield Pavement under Thermal Gradients án Dynamic Loads, Civil Engineering Journal, 2 (2016) 38-51.
[29]. S. R. Maitra, K. S. Reddy, L. S. Ramachandra, Estimation of Critical Stress in Jointed Concrete Pavement, Procedia Social and Behavioral Sciences, 104 (2013) 208-217.
[30]. Van Thuy Do, Van Hieu Nguyen, Tien Dung Vo, Huu Lam Nguyen, Analysis of theoretical basis for assessing the bearing capacity of airport cement concrete pavement in Vietnam by the dynamic deflection equipment, Journal of Science and Technique, 61 (2023) 63-75. https://doi.org/10.56651/lqdtu.jst.v6.n01.667.sce
[31]. MH/T 5004-2025, Specifications for Airport Cement Concrete Pavement Design, Civil Aviation Administration of China - CAAC, 2025 (in Chinese).
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20/10/2025
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25/11/2025
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12/01/2026
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15/01/2026
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Kiểu trích dẫn
Tien Dung, V., V. V., T., Van Hieu, N., Van Thuy, D., & Hong Minh, N. (1768410000). Evaluation of dowel bar diameter and spacing effects on the stress and deflection of airfield rigid pavements using the finite element method. Tạp Chí Khoa Học Giao Thông Vận Tải, 77(1), 43-57. https://doi.org/10.47869/tcsj.77.1.4
