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Title: RISK FACTORS OF FLOOD CONTROL LEVEES OF THE ONDAVA RIVER
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RISK FACTORS OF FLOOD CONTROL LEVEES OF THE ONDAVA RIVER
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1314-2704
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English
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20
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1.1
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A characteristic feature of streams in the East Slovakian lowland is their considerable fluctuation. On the one hand, this causes dry periods in streams, on the other hand, with periods extremely rich in precipitation - flood periods. One of the most important streams in this area is the Ondava River. One of the essential elements in the protection of the area against floods are hydrotechnical structures along the streams ? flood control levees. In terms of construction and also with their parameters, they belong to a group of relatively simple hydraulic structures. First flood control levees (protective backfills) were primitive and did not protect people and their properties enough against floods. Over time they were partly modified but mostly on the same base with the same local materials. Despite this, we encounter many problems in their operation, which are caused mainly by their linear character, the wide variability of geological, morphological and geotechnical conditions, and their short-term hydrodynamic stress. In the present paper, we try to point out the influence of various factors influencing the filtration stability of flood control levees, such as change of the geological composition of the subsoil, morphology of the terrain, the distance of the stream from the flood control levee, the shape of the flood wave, etc. The result of the solution of individual variants is the assessment of the levee's subsoil from the point of view of filtration stability.
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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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731-738
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18 - 24 August, 2020
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website
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cdrom
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6806
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flood control; levees; filtration stability; subsoil; geology
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