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Structural and dynamic characterization of two-component waterproof mortars by 1H NMR, FT-IR, mechanical and SEM investigations by Daniel Cadar; Daniela Lucia Manea; Elena Jumate; Florin Popa; Dumitrița Moldovan; Radu Fechete is a Engineering article available to read on EtoBox.
What is Structural and dynamic characterization of two-component waterproof mortars by 1H NMR, FT-IR, mechanical and SEM investigations about?
Advanced 1H NMR relaxometry is an important tool used for the characterization of a large range of materials like mortars. CPMG pulse sequence and saturation recovery methods were used for the measurement of four samples (MF, C166, P288, AQSE) of two-component waterproof mortars at 1, 3, 7, and 28 days after preparation. In general, four dynamics components were observed for the T 2 Laplace distributions can be associated with 1H from bound water and with those from small, medium, and large pores. Due to particular characteristics, such as high elasticity the flexural tensile strength and compressive strength could not be measured for all samples. SEM images were recorded, and the reported composition was correlated to NMR parameters and FT-IR spectra. The hydrating behaviour of the two-component waterproofing mortar dried under natural conditions was observed for 28 days and then the hydration process was characterized using 2D 1H NMR T 1-T 2 correlation map.
Who reads Structural and dynamic characterization of two-component waterproof mortars by 1H NMR, FT-IR, mechanical and SEM investigations?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Daniel Cadar; Daniela Lucia Manea; Elena Jumate; Florin Popa; Dumitrița Moldovan; Radu Fechete
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)