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In recent years we have encountered a big issue underflooding in large cities and settlements, railroads’ and highways’ locations. In order to prevent and liquidate the consequences of underflooding during the design of engineering structures, it is necessary to carry out engineering surveying, which will help to obtain parameters of soil filtration (drainage bedding in underflooded areas, etc.). The article presents a methodology for determining the filtration parameters of drainage bedding (the Korchevskaya methodology), which allows to simplify the method of obtaining and processing feed data. In these studies, sand was used as a drainage bedding and the coefficients of filtration, lack of saturation and water loss were determined. This methodology allows obtaining the filtration parameters that are necessary for predictive estimates of underflooding of lands with various purposes and designing engineering structures, when performing elementary experiments, such as pouring water into the studied rocks of different compositions. The developed methodology allows you to automate the calculation using information systems. Keywords—underflooding, filtration parameters, drainage bedding, filtration coefficient, lack of saturation.

Methodology for Determining the Filtration Parameters of Drainage Bedding During Engineering Surveying