Assignment 3 Portland cement and SCM

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Toronto Metropolitan University *

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500

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Material Science

Date

Oct 30, 2023

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pdf

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1

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Concrete Materials CVL 533 Assignment # 3 Portland Cement and SCM Only typed and point-form answers are needed and will be marked. 1. Explain with the use of a sketch how w/c affects the total porosity in concrete 2. State the differences between C 2 S and C 3 S in terms of: Heat of hydration Strength development (with time) 3. Draw a graph showing the effects of w/c on the degree of hydration and the level of capillary pores in hydrated cement paste 4. What type of cement would you consider for the production of a condominium column to be built in Toronto in October? Why? 5. State how fly ash can reduce the heat of hydration in concrete 6. Explain why silica fume reduces workability while fly ash enhances it?
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