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Proceedings of Petersburg Transport University
Journals / Proceedings of Petersburg Transport University / Volume 23 Issue 2 / Analysis of the Modern Regulatory Framework for the Design of Reinforced Concrete Bridges Considering Environmental Impact
UDC 624.21 UDC 693.5

ANALYSIS OF THE MODERN REGULATORY FRAMEWORK FOR THE DESIGN OF REINFORCED CONCRETE BRIDGES CONSIDERING ENVIRONMENTAL IMPACT Analysis of the Modern Regulatory Framework for the Design of Reinforced Concrete Bridges Considering Environmental Impact

Published in Proceedings of Petersburg Transport University · Volume 23, Issue 2 · Pages 473–482 · Rubric: GENERAL TECHNICAL PROBLEMS AND SOLUTION APPROACH
DOI: https://doi.org/10.20295/1815-588X-2026-2-473-482
Received: 19.03.2026 Accepted: 26.04.2026 Published: 30.06.2026
Authors
SA
Saidhon Salihanov
ED
Eduard Karapetov
ABSTRACT
Objective: to perform an extended comparative analysis of the modern regulatory framework governing the design of reinforced concrete bridges considering environmental impact, including EN 206 and Eurocode 2, AASHTO LRFD, national standards of Russia and Uzbekistan, as well as regulatory documents of the Asia-Pacific region (Japan, China, India, Australia, and New Zealand). The study aims to identify the specific features of methodological approaches to ensuring bridge durability and to determine directions for improving regulatory requirements under the transition to service life design and life-cycle management of structures. Methods: a comparative analysis of international and national regulatory documents was conducted based on criteria including environmental exposure consideration, design service life specification, application of degradation models, probabilistic reliability assessment, and integration of Life-Cycle Cost (LCC) and Life-Cycle Assessment (LCA) methods. A systematic analysis of regulatory approaches in Europe, North America, and the Asia-Pacific region was carried out from the perspective of sustainable design. Results: it was established that international regulatory systems provide for quantitative durability design using mathematical models of carbonation and chloride diffusion, probabilistic reliability methods, and digital technologies for bridge life-cycle management. Regulatory documents of the Asia-Pacific region demonstrate an active transition toward performance-based design and the integration of environmental indicators into design procedures. It was found that the current Russian standard SP 35.13330.2011 and the Uzbek standard SHNK 2.05.03-22 ensure normative durability of structures; however, they do not include formalized service life prediction models or quantitative environmental performance assessment. Directions for improving the national regulatory framework are substantiated based on the principles of Service Life Design and Life-Cycle Design. Practical significance: the obtained results may be applied in updating national regulatory documents, developing durability assessment methodologies for reinforced concrete bridges, and implementing sustainable design solutions. The proposed approaches improve the reliability of service life prediction, optimize life-cycle costs, and reduce the environmental impact of bridge structures.
KEYWORDS
reinforced concrete bridges, regulatory framework, durability, service life design, Service Life Design, Life-Cycle Design, carbonation, chloride corrosion, residual service life, environmental efficiency, AASHTO, EN 206, JSCE, GB 50010, AS 5100, sustainable design
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