Correlational Research of Strength Parameters of Waste Soils Determined in the Laboratory and In Situ in Cracow
Source abstract
Abstract
This work presents an analysis of the relationship between strength parameters determined in the laboratory and the results of a cone penetration test with pore water pressure measurement (CPTU) of waste soils in the “White Seas” area in Cracow. Anthropogenic soil is an alkaline waste formed during the production of soda ash and deposited in the area of the former Solvay Sodium Plant factory in Cracow, Poland. Due to the large area of the land and numerous investment plans and completed buildings, there was a need to identify reliable functional relationships enabling the determination of the strength parameters of these soils based on the results of the CPTU. Statistical analysis showed that the best correlation with the test results was provided by two logarithmic functions in which the dependent variables were the effective friction angle and effective cohesion. The dependent variable for both cases was the corrected cone resistance qt. The functional relationship combined data from labour-intensive, long-lasting and costly laboratory measurements with quick and less expensive measurements, i.e., in situ CPTUs. The obtained relationships enable the determination of the strength properties of the subsoil of these anthropogenic soils.
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Research context
OpenAlex topics: Geotechnical Engineering and Soil Stabilization · Landfill Environmental Impact Studies · Soil and Unsaturated Flow
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Affiliations
Department of Geotechnics and Strength of Materials, Cracow University of Technology, 31-155 Kraków, Poland
References (31)
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