Performance Evaluation of Infiltration Wells Through Integration of Field Testing and GeoStudio SEEP/W Simulation

Infiltration Wells Field Testing GeoStudio SEEP/W Induced Wells Response Parallel Interaction

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This study aimed to evaluate the accuracy of GeoStudio SEEP/W simulations in representing field conditions and to determine the optimal configuration of infiltration wells. A hybrid method combining field measurements and simulation was applied to three infiltration wells, with field tests conducted under two scenarios full filling of well A and simultaneous filling of all three wells. The analysis included soil permeability data, controlled inflow rates from the reservoir, and measured seepage flow rates. The results showed that the initial seepage flow rate in Well C was higher than the simulation data, with parallel interaction producing the highest initial flow rate, indicating the influence of local geotechnical conditions. Model calibration using site-specific hydraulic conductivity and saturation parameters improved simulation accuracy. Parallel well interaction was found to increase infiltration capacity by approximately 30% compared to a single well, and the optimal distance between wells was recommended to be at least 1.5-2 times the well diameter to avoid overlap of saturated zones. This study makes theoretical contributions by establishing a framework that integrates field measurements and simulations, particularly for calibrating early-stage seepage behavior across multiple scenarios. The validated model offers practical guidelines for optimal infiltration well planning, advancing effective urban flood mitigation.