Environmentally Sustainable and Climate-Adapted Bitumen–Composite Materials for Road Construction in Central Asia
Shambilova G.K. Iskakov R.M. Shazhdekeyeva N.K. Kuanbayeva B.U. Kuzin M.S. Skvortsov I.Y. Makarov I.S.
December 2025Multidisciplinary Digital Publishing Institute (MDPI)
Infrastructures
2025#10Issue 12
This review examines scientific and engineering strategies for adapting bituminous and asphalt concrete materials to the highly diverse climates of Central Asia. The region’s sharp gradients—from arid lowlands to cold mountainous zones—expose pavements to thermal fatigue, photo-oxidative aging, freeze–thaw cycles, and wind abrasion. Existing climatic classifications and principles for designing thermally and radiatively resilient pavements are summarized. Special emphasis is placed on linking binder morphology, rheology, and climate-induced transformations in composite bituminous systems. Advanced characterization methods—including dynamic shear rheometry (DSR), multiple stress creep recovery (MSCR), bending beam rheometry (BBR), and linear amplitude sweep (LAS), supported by FTIR, SEM, and AFM—enable quantitative correlations between phase composition, oxidative chemistry, and mechanical performance. The influence of polymeric, nanostructured, and biopolymeric modifiers on stability and durability is critically assessed. The review promotes region-specific material design and the use of integrated accelerated aging protocols (RTFOT, PAV, UV, freeze–thaw) that replicate local climatic stresses. A climatic rheological profile is proposed as a unified framework combining climate mapping with microstructural and rheological data to guide the development of sustainable and durable pavements for Central Asia. Key rheological indicators—complex modulus (G*), non-recoverable creep compliance (Jnr), and the BBR m-value—are incorporated into this profile.
bitumen–polymer composites , Central Asia , climate adaptation , environmental performance , lignin modifiers , recycled plastics , rheological properties , sustainable pavements
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Department of Chemistry and Chemical Technology, Kh. Dosmukhamedov Atyrau University, Studenchesky Ave., 1, Atyrau, 060011, Kazakhstan
Institute of Petrochemical Engineering and Ecology Named After N.K. Nadirov, Atyrau Oil and Gas University Named After S. Utebayev, M. Baimukhanov Street, 45A, Atyrau, 060027, Kazakhstan
Chemical & Biochemical Department, Satbayev University, 13 Satbayev Street, Almaty, 050013, Kazakhstan
A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospekt, 29, Moscow, 119991, Russian Federation
Department of Chemistry and Chemical Technology
Institute of Petrochemical Engineering and Ecology Named After N.K. Nadirov
Chemical & Biochemical Department
A.V. Topchiev Institute of Petrochemical Synthesis
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