%0 Journal Article %T The Application of Mathematical Modelling in the Survey of an Existing Excavation Pit %A Kravchenko, P.A. %A Podunin, V.M. %A Makarov, A.N. %K Piles, reconstruction, sheet piling, excavation retaining wall, mathematical modelling, excavation survey %J Proceedings of Petersburg Transport University %D 2025 %N 22 %P 14 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"