Scenarios of the operational stage of the road life cycle under the current regulatory environment

Introduction. One of the defining concepts of the road sector is the concept of 12/24 adopted by the Russian Government Decree of May 30, 2017 Nо. 658, and regulating the normative service life before repair of a highway is12 years and before major repair 24 years. At the same time, within the 12-year service life, it is possible to perform works on restoration of wear layers/protective layers, the frequency of which is established by separate normative acts and depends on the traffic intensity and operational condition. Forecasting of changes in the main operational indicators of the highway taking into account the influence of control actions in the form of maintenance, repair and overhaul will make it possible to analyze various options of strategies to ensure their preservation.

Materials and methods. Phenomenological models of deterioration of longitudinal and transverse flatness of the road surface, as well as the total modulus of elasticity and the coefficient of strength on its surface are used to predict changes in the main operational indicators of highways.

Results. Modified the dependence for predicting the change in the total modulus of elasticity on the pavement surface during its service life, which is a decreasing function of the total modulus of elasticity from the total number of design load applications and, respectively, the service time. The dependencies for predicting the change in actual longitudinal flatness and rutting were modified by introducing an additional multiplier characterizing the total loss of strength for the predicted year. Taking into account the modified dependencies the scenarios of the operational stage of the life cycle for the model construction of road pavement of the highway and the real highway operated in the Rostov region were built.

Conclusions. Modified dependencies allowing to describe the processes of deterioration of longitudinal flatness of the pavement and rutting taking into account the reduction of the total modulus of elasticity on the surface of the pavement were obtained. Various design scenarios of the operational stage of the life cycle of a highway for a test and real example were cons-
tructed. The directions of improvement of methods for analyzing the life cycle of highways are proposed.

1. Skvortsov A.V., Sarychev D.S. Life cycle of highway projects in the context of information modeling. CAD & GIS for roads. 2015; 1(4):4-14. DOI: 10.17273/CADGIS.2015.1.1. EDN TWONWT. (rus.).

2. Maximychev O.I., Boykov V.N. Lifecycle support of road construction in digital economics. CAD & GIS for roads. 2019; 1(12):10-15. DOI: 10.17273/CADGIS.2019.1.2. EDN CCFBRB. (rus.).

3. Skorobogatov A. Features of the life cycle of a road at the design stage. Trends in the development of modern science : collection of works of the scientific and practical conference of students and graduate students of Lipetsk State Technical University. 2023; 540-543. EDN YEFKGW. (rus.).

4. Dinges E.V., Moreva E.S. Problems and prospects of life cycle contracts for highway construction in Russia. Moscow, 2020; 114. EDN QNJNTP. (rus.).

5. Grebeshok K.S. About the necessity of improvement of the roadways management system based on the real residual life of the pavement (the ending). Transport Construction. 2017; 2:4-6. EDN ZHBHYF. (rus.).

6. Tiraturyan A.N., Uglova E.V., Lyapin A.A. An energy method for determining the residual resource of nonrigid road pavements at the stage of operation. Defectoscopy. 2020; 10:71-80. DOI: 10.31857/S0130308220100073. EDN POZNKA. (rus.).

7. Uglova E.V., Konorev A.S. Planning of works on repair and maintenance of road pavements on the basis of estimation of their residual resource. Construction-2015: Construction. Roads. Transportation : materials of the International scientific and practical conference. 2015; 30-32. EDN VARLNH. (rus.).

8. Uglova E.V., Tiraturyan A.N., Shamraev L.G. Modern approach to the assessment of transportation and operational indicators of highways of the state company “Russian Highways”. CAD & GIS for roads. 2016; 1(6):38-51. DOI: 10.17273/CADGIS.2016.1.7. EDN XAMXGZ. (rus.).

9. Uglova E.V. New approach to the assignment of repair measures on exploited highways. Actual problems of science and technology. 2017 : materials of the national scientific and practical conference. 2017; 297-299. EDN AVLOCH. (rus.).

10. Uglova E.V., Tiraturyan A.N., Aslanyan G.V., Golubev K.V. Diagnostics of the state of M-4 “DON” highway on network level. Bulletin of the Volgograd State University of Architecture and Civil Engineering. 2017; 49(68):99-109. EDN ZGRUGP. (rus.).

11. Elkins G.E., Rada G., Groeger J., Visintine B.A. Pavement remaining service interval implementation guidelines. United States. Federal Highway Administration. Office of Infrastructure Research and Development, 2013; FHWA-HRT-13-050.

12. Ekramnia T., Nasimifar M. Development of a methodological tool for treatment prioritization in network-level pavement management system. Journal of Transportation Engineering, Part B: Pavements. 2022; 148(1). DOI: 10.1061/jpeodx.0000329

13. Hafez M., Ksaibati K., Atadero R. Pavement maintenance practices of low-volume roads and potential enhancement: the regional experience of Colorado pavement management system. International Journal of Pavement Engineering. 2021; 22(6):718-731. DOI: 10.1080/10298436.2019.1643021

14. Geary G.M., Tsai Y. A 3D Slab-Based Methodology to predict end of life for concrete pavements. International Journal of Pavement Engineering. 2022; 23(14):4966-4976. DOI: 10.1080/10298436.2021.1990286

15. Ram P.V. et al. Demonstrating the Application of Life Cycle Planning (LCP) on a Pavement Network: Results from the Arizona DOT Pavement Pilot Project. United States. Federal Highway Administration, 2021; FHWA-HIF-21-044.

16. Karimzadeh A., Shoghli O. Predictive analytics for roadway maintenance : а review of current models, challenges, and opportunities. Civil Engineering Journal. 2020; 6(3):602-625. DOI: 10.28991/cej-2020-03091495

17. Ďurinová M., Mikolaj J., Hostačná V. Modelling of changes in pavement serviceability of the asphalt road. Transportation Research Procedia. 2021; 55:1131-1138. DOI: 10.1016/j.trpro.2021.07.083

18. Rydholm T.C., Luhr D.R. Modeling and Analyzing Budget-Constrained Pavement Preservation Strategies. Transportation Research Record: Journal of the Transportation Research Board. 2014; 2431(1):6-15. DOI: 10.3141/2431-02

19. Ram P. et al. Remaining Service Interval : а White Paper. 2021; FHWA-HRT-21-006.

20. Baus R.L. et al. Mechanistic-empirical pavement design guide implementation. University of South Carolina. Dept. of Civil & Environmental Engineering, 2010; FHWA-SC-10-01.

21. Tarefder R., Ahmed M.U., Rahman M.M. Evaluating functional and structural condition based maintenances of airfield pavements. Civil Engineering Dimension. 2013; 15(2):71-80. DOI: 10.9744/ced.15.2.71-80