Mathematical Model and Algorithm for Assessing and Predicting the Technical Condition of Reinforced Concrete Bridge Structures

Ulugbek Shermuhamedov; Andrey Belyy; Ma&#039;mura Sobirova; Sharofat Kadirova

doi:10.20295/1815-588X-2025-1-196-205

UDC

624.21 693.5

MATHEMATICAL MODEL AND ALGORITHM FOR ASSESSING AND PREDICTING THE TECHNICAL CONDITION OF REINFORCED CONCRETE BRIDGE STRUCTURES Mathematical Model and Algorithm for Assessing and Predicting the Technical Condition of Reinforced Concrete Bridge Structures

АА Аа

Published in Proceedings of Petersburg Transport University · Pages 196–205 · Rubric: GENERAL TECHNICAL PROBLEMS AND SOLUTION APPROACH

DOI: https://doi.org/10.20295/1815-588X-2025-1-196-205

Received: 19.03.2025 Accepted: 21.03.2025 Published: 21.03.2025

Authors

Ulugbek Shermuhamedov

Andrey Belyy

Ma'mura Sobirova

Sharofat Kadirova

Ulugbek Shermuhamedov

Academic degree: doctor of technical sciences

Science rang: professor

Tashkent State Transport University Professor · Head of the Department of Bridges and Tunnels · Russian Federation · Tashkent

Andrey Belyy

Academic degree: candidate of technical sciences

Tashkent State Transport University Associate Professor · Department of Bridges and Tunnels · Russian Federation · Tashkent

K2 Engineering LLC Russian Federation

Ma'mura Sobirova

Tashkent State Transport University Senior Lecturer · Department of Artificial Structures on Highways · Russian Federation · Tashkent

Sharofat Kadirova

Tashkent State Transport University Senior Lecturer · Department of Bridges and Tunnels · Russian Federation · Tashkent

ABSTRACT

Purpose: To consider the issue of developing a mathematical model and algorithm for assessing and predicting the technical condition of urban reinforced concrete bridge structures based on the performance criteria evaluation. The necessity of the mathematical model for forecasting the bridge structure engineering conditio to maintain the reliability and functionality of the Tashkent city bridge facilities at the required level has been investigated. Method: The hierarchy analysis method made it possible to optimally express this formula. The given method serves as a tool for problem solving by selecting the best option from those given. This method allows determining the value-based order of investment projects implementation. Criteria weights have been calculated in MPRIORITY 1.0. Results: The viaduct at the intersection of Gavkhar and Bunyodkor streets in Tashkent has been found to be in an unsatisfactory functioning condition. On this basis, it has been revealed that the service life of this structure is 35–38 years according to the W(t) parametric equation. Practical significance: Increased number of roads and vehicles in cities every year causes increased traffic congestion. Determining the appropriate levels by assessing and predicting the technical condition of reinforced concrete bridge structures made it possible to predict their service life and to plan maintenance works to meet the required level. Thus, the mathematical model for assessing and predicting the technical condition of existing reinforced concrete bridges and viaducts developed specifically for the city of Tashkent allows maintaining the required level of reliability and functionality of the city bridges.

KEYWORDS

Assessment criteria, bridges, hierarchy analysis method, traffic safety and comfort, durability, load capacity, carrying capacity, maintainability

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Oleg S. Valinskiy

Deputy Editor-in-chief

Dmitry Kurilkin

It@pgups.ru

Science editor

Andrey Evstaf'ev

elt@pgups.ru

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zhurnala P. Redakciya

izvestia@izvestiapgups.org

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GOST

Shermuhamedov U. Z., Belyy A. A., Sobirova M. M., Kadirova S. S. Mathematical Model and Algorithm for Assessing and Predicting the Technical Condition of Reinforced Concrete Bridge Structures // Proceedings of Petersburg Transport University. 2025. no. 1. pp. 196-205. DOI: https://doi.org/10.20295/1815-588X-2025-1-196-205. (Date of access 09.09.2026).

MLA

Ulugbek Shermuhamedov, Belyy A. A., Sobirova M. M., Kadirova S. S.. "Mathematical Model and Algorithm for Assessing and Predicting the Technical Condition of Reinforced Concrete Bridge Structures." Proceedings of Petersburg Transport University 22.1 (2025): 196-205. DOI: https://doi.org/10.20295/1815-588X-2025-1-196-205.

APA

Shermuhamedov U. Z., Belyy A. A., Sobirova M. M., Kadirova S. S. (2025). Mathematical Model and Algorithm for Assessing and Predicting the Technical Condition of Reinforced Concrete Bridge Structures. Proceedings of Petersburg Transport University, 22(1), 196-205. https://doi.org/10.20295/1815-588X-2025-1-196-205

Chicago

Ulugbek Shermuhamedov, Belyy A. A., Sobirova M. M., Kadirova S. S.. "Mathematical Model and Algorithm for Assessing and Predicting the Technical Condition of Reinforced Concrete Bridge Structures." Proceedings of Petersburg Transport University 22, no. 1 (2025): 196-205. https://doi.org/10.20295/1815-588X-2025-1-196-205.

WIKI

{{cite journal | author = Shermuhamedov U. Z., Belyy A. A., Sobirova M. M., Kadirova S. S. | title = Mathematical Model and Algorithm for Assessing and Predicting the Technical Condition of Reinforced Concrete Bridge Structures | journal = Proceedings of Petersburg Transport University | year = 2025 | volume = 22 | issue = 1 | pages = 196-205 | doi = 10.20295/1815-588X-2025-1-196-205 }}

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MATHEMATICAL MODEL AND ALGORITHM FOR ASSESSING AND PREDICTING THE TECHNICAL CONDITION OF REINFORCED CONCRETE BRIDGE STRUCTURES Mathematical Model and Algorithm for Assessing and Predicting the Technical Condition of Reinforced Concrete Bridge Structures

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