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2026-04-10
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COMPREHENSIVE ANALYSIS OF THE OPERATIONAL AND ECONOMIC ADVANTAGES AND TECHNOLOGICAL LIMITATIONS OF CEMENT CONCRETE PAVEMENTS IN MODERN ROAD CONSTRUCTION
Inomjon Gulomovich
Professor, Jizzakh Polytechnic Institute, Department of Road Engineering, Jizzakh, Uzbekistan
Anvar Bozarboev
Master’s student, specialty “Automobile Roads and Airfields”, Jizzakh Polytechnic Institute, Jizzakh, Uzbekistan
##semicolon## cement concrete pavement; rigid pavement; Westergaard equation; life-cycle cost; joint deterioration; temperature stress; CRCP; FEA; albedo
सार
In recent decades, the sharp increase in axle loads on highways and the growing impact of extreme climatic conditions have renewed interest in rigid pavement systems. This paper presents a comprehensive technical and economic analysis of cement concrete pavements in comparison with asphalt pavements, with special emphasis on regions exposed to hot summers, cold winters, and rising freight intensity. The study combines comparative engineering analysis, mechanistic interpretation of pavement behavior, simplified mathematical modeling using the Westergaard and Bradbury equations, finite element assessment of critical stress zones, and a 30-year life-cycle cost evaluation. The results show that cement concrete pavements possess a substantially higher elastic modulus, better load-spreading capacity, greater resistance to rutting and temperature-related softening, and lower long-term maintenance demand. Although their initial construction cost remains 1.3–1.5 times higher than that of asphalt pavements, the total cost over 30 years is considerably lower, especially for continuously reinforced concrete pavement systems. The main constraints are high initial investment, strict technological requirements during construction, curing time, and vulnerability of poorly designed joints. The paper also discusses modern engineering solutions, including CRCP, fiber-reinforced concrete, ultra-high-performance concrete, and accelerated curing technologies, as practical instruments for mitigating those limitations. The findings confirm that cement concrete pavements are a strategically rational option for high-category roads, logistics corridors, and freight-intensive highways.
##submission.citations##
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