Method of protection of coastal lands of the Kudepsta River in case of emergencies

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Abstract

Background. Long-term hydrological observations of the Kudepsta River formed the basis for a comprehensive study of the water body. Application of modern geoinformation technologies and statistical analysis method, large-scale field surveys of river channel processes allowed to justify the method of flood protection of the Kudepsta River coastal lands. As a result of the survey of the Kudepsta River channel section in the area of Kudepsta settlement and calculations of shoreline displacement, it was proposed to apply a flexible gabion structure to strengthen the right bank part of the river. This design demonstrates high efficiency of protective measures against erosion and waterlogging of the coastal strip. The estimation of economic efficiency of the method of bank protection is carried out, as a result the coefficient of economic efficiency is equal to 1.77, which is economically favorable. The payback period of construction will be 1 year. Practical experience in the implementation of such engineering solutions can be widely used in the implementation of bank protection works on mountain rivers in various subjects of the Russian Federation.

Purpose. Objective of the study to investigate the method of protection of the coastal lands of the Kudepsta River in case of emergency situations.

Materials and methods. The study area is located on the right bank of the Kudepsta River, its length is 358 meters. The site is located in the mouth of the Kudepsta River valley – it is a right bank section of the river, which is represented by a terrace with an overflow exposed ledge with a height of 2 to 5 meters. It is characterized by degradation associated with landslide processes occurring in the riverbed

Results. To prevent flooding of the adjacent territory and erosion of the banks of the Kudepsta River in the study area it is necessary to build a retaining wall 5.0 m high, 358 m long from gabion structures. Bottom reinforcement of the channel bottom is provided taking into account the possibility of its erosion and in order to protect the erosion funnel.

Conclusion. Based on the survey of the Kudepsta River channel section and shoreline displacement calculations, flexible gabion structures should be used to reinforce the right bank part of the river. This design demonstrates high efficiency of protective measures against erosion and waterlogging of the coastal strip. A method of coastal protection to prevent flooding of the adjacent territory and erosion of the banks of the Kudepsta River at the research site by means of a retaining wall 5.0 m high, 358 m long made of soft gabion structures is proposed.

About the authors

Lyudmila V. Kravchenko

Don State Technical University

Author for correspondence.
Email: lvkravchenko@donstu.ru
ORCID iD: 0000-0002-9228-3313
SPIN-code: 9684-8955
Scopus Author ID: 57204646125
ResearcherId: ABD-9790-2021

Doctor of Technical Sciences, Associate Professor, Head of the Department of Design and Technical Service of Transport and Technological Systems

 

Russian Federation, 1, Gagarin Sq., 1, Rostov-on-Don, 344000, Russian Federation

Anna E. Khadzhidi

Kuban State Agrarian University named after I.T. Tribulin

Email: dtn-khanna@yandex.ru
ORCID iD: 0000-0002-1375-9548
SPIN-code: 4502-9170
Scopus Author ID: 57194710533
ResearcherId: HGV-0040-2022

Doctor of Technical Sciences, Associate Professor, Head of the Department of Hydraulics and Agricultural Water Supply

 

Russian Federation, 13, Kalinin Str., Krasnodar, Krasnodar Krai, 350044, Russian Federation

Dmitry S. Kolmychek

Kuban State Agrarian University named after I.T. Tribulin

Email: kolmychek.d@mail.ru
ORCID iD: 0009-0004-8858-5134

Student

 

Russian Federation, 13, Kalinin Str., Krasnodar, Krasnodar Krai, 350044, Russian Federation

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