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Title: ANALYSIS OF LOCAL VARIABILITY OF OVERBURDEN PHYSICAL AND MECHANICAL PROPERTIES AS A METHOD FOR ASSESSING KARST HAZARD
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ANALYSIS OF LOCAL VARIABILITY OF OVERBURDEN PHYSICAL AND MECHANICAL PROPERTIES AS A METHOD FOR ASSESSING KARST HAZARD
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1314-2704
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English
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18
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1.2
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The technique of karst hazard assessment used on the territory of Ust-Kishert village is presented in the paper. We analyse the parameters of the research area natural structure which is characterized by the abundance of carbonate-sulphate karst. In this work, we consider karst rock mass as a certain volume of geological space occupied by the karstic rocks and the overburden (i.e. overlapping sediments) that are affected by the karst process.
The purpose of this study is to identify the areas of local changes of overburden physical and mechanical properties relative to the background level. We consider such areas as the sites of the most probable location of the weakened zones in karstic rocks. The working hypothesis of the investigation is as follows: the physical and mechanical properties of the overburden vary over the-weakened zones in the karstic rocks. These local changes depend on the degree of hydrogeological activity of the karst cavity and on its vertical dimensions. The condition and the strength properties of the overburden sediments can serve as the indicators of weakening of the rock mass. We used this idea for the integral analysis of physical and mechanical properties to construct the cartographic model of karst hazard assessment. We then compare this model to the one proposed earlier. |
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conference
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18th International Multidisciplinary Scientific GeoConference SGEM 2018
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18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
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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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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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27-34
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02-08 July, 2018
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website
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cdrom
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134
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karst; karst hazard; overburden sediments
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