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The effect of lead oxide and borax decahydrate on the hydration kinetics was evaluated by determining setting time, leachability and compressive strength. To speed up the reaction, 0.5% calcium chloride was added to all formulations, and then the results were compared to their blank counterparts. Once, the optimal compositions were explored, another batch of mortar were designed to increase efficiency against radioactive sources with different photon energies. After 28 days, bulk density, linear attenuation coefficient, half-value layer, tenth-value layer, and mean-free path in the field of <jats:sup>137<\/jats:sup>Cs and<jats:sup>51<\/jats:sup>Co were considered. Similarly, macroscopic effective removal cross-section was evaluated using radioactive source-<jats:sup>239<\/jats:sup>Pu-\u03b1-<jats:sup>9<\/jats:sup>Be. According to the previous literature, adding 0.2% PbO to cement is the optimal ratio without affecting hydration kinetics and phase composition. The study explored that, co-incorporation of PbO with 0.5% CaCl<jats:sub>2<\/jats:sub> increases the ratio to 2.5%, while enhancing physico-mechanical and radiological characteristics against radioactive sources. Also, formulation incorporating 0.5% borax with 0.5% CaCl<jats:sub>2<\/jats:sub> had superior attenuation against neutrons compared to other competitors.<\/jats:p>","DOI":"10.1038\/s41598-024-85019-2","type":"journal-article","created":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T09:23:27Z","timestamp":1736155407000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Novel approach to enhance the efficiency of mortar against radiations by co-incorporation of lead and boron compounds with calcium chloride"],"prefix":"10.1038","volume":"15","author":[{"given":"Hussein","family":"Al-kroom","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed S.","family":"Ouda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wageeh","family":"Ramadan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahmoud","family":"Gharieb","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mudar","family":"Hamsho","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamdy A.","family":"Abdel-Gawwad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,1,6]]},"reference":[{"key":"85019_CR1","doi-asserted-by":"publisher","first-page":"125111","DOI":"10.1016\/j.conbuildmat.2021.125111","volume":"310","author":"M Gharieb","year":"2021","unstructured":"Gharieb, M., Mosleh, Y. 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