Concept of acceptable risk in operation of subway facilities

The acceptable risk concept becomes currently a framework for the prediction of contingent situations in development of urban underground space. The general provisions of the concept are formulated by the Joint Risk Management Committee and are recited in the State Science and Technology Program. The acceptable risk concept in operation of underground facilities in subways includes the aspects of engineering, simulation, expertize and sociology. The most acceptable techniques in operation of underground structures from the viewpoint of ecological safety can only be relevant at ecological compatibility of technologies and fluid relations between the constituents of the natural-and-technical rock mass–underground construction–environment geosystem. In this regard, the main thing, is the geotechnical factor. Regulatory documents offer a deficient regulation of acceptable risks for underground facilities. For subway structures, especially in the period of operation, such regulation is absent at all. Nonetheless, the risk rating in many ways governs the risk management efficiency during operation of underground facilities of subways. This article proposes a generalized model of risk reduction in operation of subway facilities. The model includes the thorough prediction and monitoring of the geological environment, takes into account human factor and is based on mitigation of residual risks using the Big Data, Internet of Things and BIM resources.

Keywords: concept, acceptable risk, operation of underground facilities in subways, information resource, ecological safety, rock mass, risk rating, technological accident.
For citation:

Kulikova E. Yu., Zhukov S. A. Concept of acceptable risk in operation of subway facilities. MIAB. Mining Inf. Anal. Bull. 2024;(2):140-150. [In Russ]. DOI: 10.25018/ 0236_1493_2024_2_0_140.

Acknowledgements:
Issue number: 2
Year: 2024
Page number: 140-150
ISBN: 0236-1493
UDK: 624
DOI: 10.25018/0236_1493_2024_2_0_140
Article receipt date: 12.11.2023
Date of review receipt: 15.12.2023
Date of the editorial board′s decision on the article′s publishing: 10.01.2024
About authors:

E.Yu. Kulikova, Dr. Sci. (Eng.), Professor, e-mail: fragrante@mail.ru, National University of Science and Technology «MISiS», 119049, Moscow, Russia,
S.A. Zhukov, General Director, JSC «Mosmetrostroy», 127051, Moscow, Russia, e-mail: 1reception-3@metrostroy.com.

 

For contacts:

E.Yu. Kulikova, e-mail: e-mail: fragrante@mail.ru.

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