Forecasting groundwater rise in the historic downtown area of Irkutsk city

Abstract

The purpose of this investigation is to develop an analytical model for predicting the groundwater level rise due to the barrage effect. Processing of a significant volume of production decisions for multiple objects has resulted an analytical model that allows predicting the dynamics of groundwater rise due to the barrage effect when building deep foundation structures. The study has been conducted for the downtown areas of Irkutsk and other cities of Eastern Siberia. Prediction schemes for the groundwater level formation have been made, and an assessment of the study areas by their underflooding conditions has been carried out. Being adequately simple and multi-purpose. The analysis of the research results shows that the hydraulic gradient of the underground water flow and the project structure width have the biggest effect on the groundwater rise. Vertical planning of the territory and the use of pile foundations play a significant role in the formation of the groundwater level. Besides, when evaluating the depth of the underground water formation level and developing the prevention and protection measures, it is necessary to take into account the seasonal rise of the underground waters. The developed model can be applied in the corresponding geological and hydrogeological conditions.