Özet

People spend large part of their daily lives inside the building where they are exposed to environmental factors natural radioactivity. Cement is a building material of reinforced concrete structures; therefore, determination of the natural radiation level of cement is important for human health. Natural radio activity levels of raw material sources affect radioactivity level of cement which in turn affect the radioactivity level of concrete in structures. High amount of natural radioactivity can be expected in thorium-rich soils such as Eskisehir, Turkey.