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Nov. 2024
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  Journal Paper


Paper Title :
C-(A-)S-H Differences of Normal and Ultra High Performance Concrete Assessed by 29si MAS NMR

Author :Arjan Korpa, Sara Dervishi, Kristi Shahu, Diana Gecaj, Silvana Gjyli

Article Citation :Arjan Korpa ,Sara Dervishi ,Kristi Shahu ,Diana Gecaj ,Silvana Gjyli , (2021 ) " C-(A-)S-H Differences of Normal and Ultra High Performance Concrete Assessed by 29si MAS NMR " , International Journal of Advances in Mechanical and Civil Engineering (IJAMCE) , pp. 14-19, Volume-8,Issue-6

Abstract : Abstract - Normal and Ultra High Performance Concrete (UHPC) differences of the C-(A-)S-H nanostructure are presented with the help of ²⁹Si MAS NMR. Some UHPC samples contain nanoscale pozzolan and special curing-treatment. Spectral deconvolution and analysis show important nanostructure differences of the C-(A-)S-H phase of both concrete types, more pronounced with the special treated UHPC samples that contain nanoscale pozzolans. The main hydration phase (C-(A-)S-H) of nanoscale pozzolan containing UHPC is made up of a significant portion of chain like structure (Q3), which is absent at Normal concrete and even at the conventional UHPC samples based on the findings of our research work. Keywords - C-(A-)S-H differences, nano-scale pozzolan containing UHPC, Normal concrete, ²⁹Si MAS NMR;

Type : Research paper

Published : Volume-8,Issue-6


DOIONLINE NO - IJAMCE-IRAJ-DOIONLINE-18282   View Here

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