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VERIFYING THE SUBGRADE SOIL CHARACTERISTICS OF FLOOD BANK

Peter Turcek, Monika Sulovska

First published: 2017-06-20https://doi.org/10.5593/sgem2017/12/s02.125View metrics

Abstract

Twenty years after finishing the dam ?unovo on river Danube about 15 km beneath Bratislava were after regular controls gradually exclude from system some observation boreholes. There were realised new investigation boreholes. The main reason of these boreholes was verification of the soil characteristics in depth where the periodical changing of water in Danube and in reservoir had negative influence on the permeability characteristics. One of the most important factors of safety is filtration stability of granular soils. In boreholes was periodically measured the velocity of groundwater and from results analysed the safety of soils below the protective dam. Results after 2010 showed that the filtration stability of soils was decreased. Several theoretical criteria of filtration stability were applied for validation of experimental results. The paper will put the focus on field and laboratory analysing of the soil investigation. Comprehensive assessment of theoretical knowledge relating to the soil degradation by hydrodynamic influence of groundwater and results of field measurement was recommended preparing the construction of sealing cut-of-wall interferes in depth at minimum 20 m below the ground surface.

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Publication details

Title
VERIFYING THE SUBGRADE SOIL CHARACTERISTICS OF FLOOD BANK
Authors
Peter Turcek, Monika Sulovska
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining
Publisher
STEF92 Technology
Year
2017
Pages
985-992
SWS Citekey
Turcek20172985992
ISSN
1314-2704
ISBN
978-619-7105-99-5
Language
en
Publication type
Conference Paper
Keywords
flood daminvestigation boreholeslaboratory tests
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