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Title: OPTIMIZATION OF THE VOLUME OF LABORATORY TESTS IN ENGINEERING SURVEY
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OPTIMIZATION OF THE VOLUME OF LABORATORY TESTS IN ENGINEERING SURVEY
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1314-2704
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English
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21
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7.1
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• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA |
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The objective of this research is to optimize the volume of laboratory tests of physical and mechanical properties of soil. Today, the solution to geomechanical and mining technological problems has the form of functional or statistical relationships, reasoned by the physical parameters of soils (density, moisture, strength properties, acoustic indicators, etc.). The calculations use the average values or estimates of these parameters obtained from statistical processing of multiple laboratory or field test data. The objectively existing natural variability of the physical and mechanical properties of soils does not allow for a limited number of tests to obtain absolutely accurate estimates of the design parameters. Instead of the true values of properties we should insert in the formulas the mathematical expectations of the centers of empirical distributions of these properties, established for specific fields or their areas. As a result, even deterministic expressions become functions of random arguments. The article deals with both simple and complex cases of optimization of single value measurements. We have derived formulas for calculating the required volume of tests for each argument of a random function, and proposed an approach to solve complex cases of optimizing the volumes of field and laboratory research on soil properties.
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conference
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21st International Multidisciplinary Scientific GeoConference SGEM 2021
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21st International Multidisciplinary Scientific GeoConference SGEM 2021, 16 - 22 August, 2021
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Proceedings Paper
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STEF92 Technology
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SGEM International Multidisciplinary Scientific GeoConference
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish 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; Croatian Acad Sci
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401-410
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16 - 22 August, 2021
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website
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cdrom
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7902
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monitoring; engineering surveys; optimization; soil
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