The PDF file of this paper is in Croatian.

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Abstract

Wind power plants are developing rapidly in the Republic of Croatia and in the world, since they represent one of the renewable energy sources. Croatia has many areas that have satisfactory wind potential for the construction of wind power plants. In Croatia, wind power plants are most often built in Dalmatia. Due to the complex geological structures and differences in the soils, it is necessary to perform field investigations in order to determine the properties of the underlying soil, which ensures the quality of construction of the wind farm. Field geotechnical and geophysical investigations at the construction site of the Bruvno wind power plant near Gračac in the Republic of Croatia were carried out for the purposes of the foundation of the wind turbine towers and the foundation of the transformer station. Field investigations include exploratory boreholes, and geophysical investigations using geoelectrical tomography, georadar surveys, and seismic investigations using multichannel analysis of surface waves (MASW). The goal of the research was to collect data on the general and mechanical properties of the foundation soil to determine the optimal foundation conditions, bearing capacity, settlement and mechanical stability. This paper presents an overview of the mentioned methods along with a presentation of the results of each method at selected locations.

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