Research corrosion of cements with a new hydraulic additive
Lola KabulovaNukus State Pedagogical Institute named after Ajiniyaz, Nukus, KarakalpakstanGulistan OrazimbetovaInstitute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanBarno AbdullaevaTashkent State Pedagogical University, Tashkent, Uzbekistan
ABI
Abstract
Based on the above studies, the following conclusions can be made: The introduction of hydraulic additives into Portland cements increases their sulfate resistance, especially when cements have higher C 3 A content. Cements with 30% tuffite give better strength than those with 20% tuffite. The least aggressive for pozzolanic Portland cements are 5% Na2SO 4 solution, the most aggressive is 3% MgSO 4 solution, in which cements with hydraulic additives were more resistant than pure Portland cements, which is in agreement with the data of other researchers. For sulfate-resistant pozzolanic Portland cement maximum C 3 A content in the original Portland cement can be increased up to 8%.
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