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Radioactivity in building materials
Authors Telloli C, Salvi S, Rizzo A, Taddei F, De Maria A, Marrocchino E, Vaccaro C  Year 2022
Pubblication type Paper International Conference with referee
Abstract All building materials have a small but not negligible amount of natural radioactivity; since they come from the earth’s crust, this radioactivity is due to the radioactive families of Uranium (U-238), Thorium (Th-232), and Potassium (K-40), in varying concentrations depending on the type and origin of the original rocks.
Some granites and some tuffs can sometimes record significant concentrations of radioisotopes, while in marbles and carbonate stones radioactivity is rarely present unless they are settled in lagoon environments (i.e., Lecce, Italy limestones). Also building products fabricated with naturally occurring radioactive materials (NORM) can exhibit residual radioactivity, such as in various types of sand, ceramics, or cements.
The radioactive content in the materials used to build is therefore of a certain importance because it can significantly affect the annual effective dose equivalent absorbed due to the long residence time of people inside the buildings.
In Italy the reference regulatory device in the field of work activities involving the presence of natural sources is Legislative Decree 230/95 (including subsequent amendments and additions), while the radioactive content of construction materials is regulated by the Legislative Decree 101/2020.
In order to avoid excessive alarms or, on the contrary, to underestimate the problem, a cognitive investigation was carried out on the radioactivity content in ornamental and structural building materials, in order to possibly identify critical radioactivity concentration. The natural stones analyzed are granite rocks sampled in Sardinia (Ornamental Stones District of Gallura).
Reference EGU22-6887
https://doi.org/10.5194/egusphere-egu22-6887
WEB Reference https://meetingorganizer.copernicus.org/EGU22/EGU22-6887.html
Research unit TRAC
LastUpdate 18/10/2024
Related research topics
Code Topic Description
4.1 Analisi isotopiche emanazioni aeriformi

impact factor Vero
ReferenzaUnivoca https://doi.org/10.5194/egusphere-egu22-6887




   


 

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