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Department of Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi Sad , Novi Sad , Serbia
Department of Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi Sad , Novi Sad , Serbia
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Department of Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi Sad , Novi Sad , Serbia
Department of Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi Sad , Novi Sad , Serbia
The primary goal of this paper is to develop a mathematical model that describes groundwater flow within a porous medium. By employing mathematical modelling techniques for fluid flow analysis, valuable insights can be gained into complex flow conditions that are often difficult to assess using conventional analytical methods. Given that the spatial and temporal variations of parameters relevant to the system can be expressed through specific mathematical formulations (typically in the form of complex partial differential equations) it is advisable to apply appropriate numerical methods, as they provide a strong strategy for effectively addressing the challenges associated with the system.
One of the challenges encountered in groundwater research is the lowering of groundwater levels (GWL) during the construction of buildings. Before the construction begins, it is required to lower the GWL in the foundation pit to ensure dry working conditions. The most requested data for this purpose are groundwater flow and GWL.
This paper focuses on lowering the GWL for a specific object while ensuring that the stability of surrounding buildings remains unaffected. To achieve this objective, it is crucial to design and implement a drainage system with adequate capacity, considering the characteristics of the aquifer. Additionally, it is important to assess filtration stability, particularly to prevent suffusion, by carefully selecting an appropriate protective filter course.
The analysis of groundwater flow at the specified location was conducted using a 3D model to simulate the flow regime within a porous medium. Both conceptual and numerical groundwater modeling were performed using the GMS 10.7 software. Based on the adopted filtration coefficient from the geotechnical study, several solutions were developed. In each case, it was necessary to ensure that the GWL was lowered to the required elevation and to prevent suffusion by controlling the maximum velocities at the entrance of the filter structure.
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