Simulation Analysis of 3D Seepage Groundwater Flow and Making of 3D Geological Structure Model in Multilayered Ground(Post-Print version)

In the management and a usage of a groundwater resource, we need to work on an accurate grasp of the current situation and to make a future vision in the region where the groundwater exploitation is active. In this research, we aim at the creation of the three-dimensional geological structure model in multilayered ground and the three-dimensional seepage flow analysis of groundwater by using the model. The area in this research exist many multi-layers which are alternately stratified gravel layers and clay layers. Firstly, based on bowling log and an altitude distribution map, we grasped the topography and the geological structure of a target area. Secondly, based on boring log, we interpolated the layer thickness of every layer in a model by using the Kriging method. The outline of the three-dimensional geological structure is completed by piling them up. Thirdly, considering of the position of pumping wells and the layer thickness distribution, we divided mesh. Finally, we reproduced groundwater flow by conducting groundwater analysis, and created the figure which visualized the groundwater flow.EIT-JSCE Joint International Symposium on International Human Resource Development for Disaster-Resilient Countries 201