Low‐energy broad‐beam photon shielding data for constituents of concrete

The ability of concrete to attenuate ionizing radiation intensity is assessed using its linear or mass attenuation coefficient. In this work, the broad‐beam linear and mass attenuation coefficients of different types of soils and cements used for making concrete were measured at different photon energies (60–1333 keV), nearly spanning the diagnostic photon energy range, using a NaI detector. The mass attenuation coefficients of cement decreased from [Formula: see text] at 60 keV to [Formula: see text] at 1332.5 keV. For soils, the mass attenuation coefficient of those collected from the beach was the highest, decreasing from [Formula: see text] at 60 keV to [Formula: see text] at 1332.5 keV. Land soils had the least value, decreasing from [Formula: see text] at 60 keV to [Formula: see text] at 1332.5 keV. Limestone had smaller mass attenuation coefficients than the cement produced using it. The implication of the above is that for making concrete, beach sand should be preferred as the sand component of the concrete. Models of the form [Formula: see text] and [Formula: see text] are proposed for fitting the linear attenuation coefficient and mass attenuation coefficient data, respectively. PACS numbers: 87.55.N‐; 87.50.cm