Title: Numerical analysis of dewatering process of an excavation located close to a large river

Authors: KŁOBUKOWSKI, D., GODLEWSKI, T., POPIELSKI, P.

Keywords: excavation dewatering, finite element method, FEM, deformation, water filtration

Abstract: The main aims of the paper are the analysis of a dewatering process and the preparation of a numerical model for a dewatering of an excavation located near a river with dynamically changing water level, while accounting for existing groundwater conditions. In the publication stages of the construction of the model and the calculations using ZSoil software utilising finite element method (FEM) are presented. The purpose of the calculations was to estimate the pore water pressure in the subsoil and the deformations at the bottom of the excavation in few subsequent calculation stages, while taking the variation of the Vistula river level into account. The results of the calculations were calibrated based on the groundwater monitoring results. The increasing water level of the river has been included in the calculations. The virtual analysis reproduces the existing piezometers, allowing to compare calculated results with the values measured at the site. Additionally, the model included variants characterizing the water levels in the Vistula river and the possibility of the dewatering well failure. Obtained results suggest that the location of the excavation, in reference to the river, is a major contributing factor, as the groundwater flow is dependent on the boundary conditions assumed for the river (inflow or drainage) based on its characteristics.

DOI: 10.22630/PNIKS.2018.27.2.20

APA style references: Kłobukowski, D., Godlewski, T. & Popielski, P. (2018). Numerical analysis of dewatering process of an excavation located close to a large river. Scientific Review Engineering and Environmental Sciences, 27 (2), 207-216. doi: 10.22630/PNIKS.2018.27.2.20

APA style citation in text: The first time citation in text: (Kłobukowski, Godlewski & Popielski, 2018), next citation: (Kłobukowski et al., 2018)

Chicago style references: Kłobukowski, Damian, Tomasz Godlewski, Paweł Popielski. "Numerical analysis of dewatering process of an excavation located close to a large river." Scientific Review Engineering and Environmental Sciences, 80 ser., vol. 27, no 2, (2018): 207-216. doi: 10.22630/PNIKS.2018.27.2.20.

Chicago style citation in text: (Kłobukowski, Godlewski, and Popielski 2018)

Bibtxt style references: Bibtxt_utf8_80art11en.bib

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