Investigations on the relationship between porosity structure and strength of hydrated portland cement pastes III. Effect of clinker composition and gypsum addition |
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| Affiliation: | 1. Instituto de Ciencias Aplicadas y Tecnología, Universidad Nacional Autónoma de México, Circuito Exterior S/N, C. U., 04510, Mexico City, Mexico;2. Product Technology, Mexican Institute of Petroleum, 07730, Mexico City, Mexico;3. Department of Chemical Engineering, ESIQIE-IPN, 75876, Mexico City, Mexico;4. Faculty of Sciences, Autonomous University of San Luis Potosí, San Luis Potosí, SLP, 78000, Mexico;1. Research Institute of Petroleum Industry, Tehran, Iran;2. Petroleum University of Technology, Ahwaz, Iran;1. College of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China;2. National Die and Mold CAD Engineering Research Center, Shanghai Jiao Tong University, Shanghai 200030, China |
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| Abstract: | In as series of cements made out of clinkers with variable C3A/C4AF ratios and containing different amounts of gypsum, the strength development and the composition of the hydrated material were studied. For a single clinker composition the obtained strength appears to be just a function of porosity. Variations in the C3A/C4AF content affected both the structure and intrinsic properties of the formed hydration products and thus the position of the pertinent strength porosity plots. |
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