%0 Journal Article %T The Influence of the Shape of the Cross-Section of a Cavity-Free Drain on the Dehumidification Efficiency %A Shtykov, V.I. %A Ponomarev, A.B. %A Yanko, Y.G. %K cavity-free drainage, hydraulic calculation, drainage system, reclamation channel %J Proceedings of Petersburg Transport University %D 2026 %N 23 %P 10 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"