Geology, geography and global energy

Scientific and Technical Journal

Geotechnological features functioning maintenance objects in the Volga and Akhtuba floodplain, flooded areas of the Caspian and Terek and Kuma lowland

2015. №2, pp. 95-111

Rodnyakov Dmitriy A. - Chief Engineer, Astrakhan LPUMG LLC "Gazprom Transgaz Stavropol, Rodnyakov_d_a@mail.ru

Petryanin Aleksandr V. - Senior Lecturer, Astrakhan State Technical University, 16 Tatishchev st., Astrakhan, 414056, Russian Federation, aleks1-09@mail.ru

In this paper the particular operation and maintenance of the linear part of main gas pipelines passing through the Volga and Akhtuba floodplain and flooded areas of the Caspian and Terek and Kuma Lowland. Climatic conditions described area is the most continental and arid part of the European territory of the Russian Federation. By the degree of aridity is second only to the deserts of Central Asia, and in its radiation conditions similar to semi-desert. In relation to hydrographic pipeline route passes through the basins of major rivers such as the Volga, Buzan, Akhtuba, Kuma. The most extensive and complex hydrologically is crossing the Volga and Akhtuba floodplain. An important feature of the operation of facilities in the zone of the Volga and Akhtuba floodplain is the time period of the maintenance and flood waters on natural spawning, which lasts an average of up to four months. The scale of the flood and the rise of water level during spring flood make it virtually impossible to access to the linear part of main gas pipelines and gas withdrawal. Given the time of its annual occurrence, and this April-July months, you can designate a clear seasonal work that affects the maintenance of facilities of the Volga and Akhtuba floodplain. The paper presents the findings of features in the operation and repair of flooding and flood-prone areas of the linear part of main gas pipelines. We consider some of the environmental aspects of doing work in the floodplain area. The main objective of conservation measures is to eliminate the influence of works negative repair gas in the Volga and Akhtuba floodplain on the state of fish stocks and reproduction or to minimize this impact in those cases when completely eliminate it is not possible.

Key words: магистральные газопроводы, паводок, подтопляемые районы, капитальный ремонт, Волго-Ахтубинская пойма, long-distance pipelines, flood, flooded areas, overhaul, Volga and Akhtuba floodplain

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