%0 Journal Article %T Ways to Improve Hydrological Efficiency of Railway Subgrade Drainage %A Kanciber, Y.A. %A Shtykov, V.I. %A Ponomarev, A.B. %A Vasil'eva, M.A. %K Subgrade, poorly permeable soils, drainage, infiltration, rainfalls, groundwaters, timeframes for draining, geotextile material, geomembrane, predicted inflow, water balance, predicted sufficiency %J Proceedings of Petersburg Transport University %D 2022 %N 19 %P 9 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"