M.S. Theses

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Constant head test analysis in partially penetrating wells
(Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1995., 1995.) Akgüner, Cem.; Güler, Erol.
Field tests provide reliable results to determine permeability. A testing device is built to model the in-situ conditions in the laboratory. The device had a circular plan of 1· 1 square meter and a height of 1.2 meter. Constant head pumping-in tests were conducted in a model well that was centered in the tank. The pore-water pressures were measured by 12 piezometers that had various locations in the tank. The data obtained were compared with a mathematical model derived by Avcı and Kılanç (1994). The mathematical model considered wells partially penetrating anisotropic, homogeneous and finite-depth confined or unconfined aquifers. The test results and their comparison with the mathematical model were given in graphs. Comments and proposals for further study were given. It was seen that the mathematical model provided a good match with test results for points at a certain distance.