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The oxide compositions of two Portland cements are given in Table 1. a) Calculate the potential compound compositions of the Portland cements, the oxide compositions of which are given in Table 1. b) Determine (and explain) the most suitable Portland cement for the following applications: i. Concrete pipe exposed to sewage attack ii. Emergency repair iii. Mass concrete c) Considering the heats of hydration of the four main clinker compounds, estimate the total heat of hydration of PC1 and PC2. Table 1 Oxide (%, by mass) CaO (C) SIO2 (S) | Al2O3 (A) Fe2O3 (F) SO;: (5) PCI PC2 66.2 63.2 20.7 23.4 6.4 3.1 4.9 2 Other 1.6 1.5 Hint: %C;S = 4.071×C - 7.6xS - 6.718XA - 1.43×F - 2.852×S %C2S=2.867×S - 0.7544×C3S %C3A=2.650×A - 1.692×F %C4AF=3.043×F

The oxide compositions of two Portland cements are given in Table 1. a) Calculate the potential compound compositions of the Portland cements, the oxide compositions of which are given in Table 1. b) Determine (and explain) the most suitable Portland cement for the following applications: i. Concrete pipe exposed to sewage attack ii. Emergency repair iii. Mass concrete c) Considering the heats of hydration of the four main clinker compounds, estimate the total heat of hydration of PC1 and PC2. Table 1 Oxide (%, by mass) CaO (C) SIO2 (S) | Al2O3 (A) Fe2O3 (F) SO;: (5) PCI PC2 66.2 63.2 20.7 23.4 6.4 3.1 4.9 2 Other 1.6 1.5 Hint: %C;S = 4.071×C - 7.6xS - 6.718XA - 1.43×F - 2.852×S %C2S=2.867×S - 0.7544×C3S %C3A=2.650×A - 1.692×F %C4AF=3.043×F

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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The oxide compositions of two Portland cements are given in Table 1. a) Calculate the potential compound compositions of the Portland cements, the oxide compositions of which are given in Table 1. b) Determine (and explain) the most suitable Portland cement for the following applications: i. Concrete pipe exposed to sewage attack ii. Emergency repair iii. Mass concrete c) Considering the heats of hydration of the four main clinker compounds, estimate the total heat of hydration of PC1 and PC2. Table 1 Oxide (%, by mass) CaO (C) SIO2 (S) PC1 PC2 66.2 63.2 20.7 23.4 Al2O3 (A) Fe2O3 (F) SO3 (S) Other 6.4 4.9 3.1 2 1.6 1.5 Hint: %C3S = 4.071×C - 7.6xS - 6.718XA - 1.43XF - 2.852×S %C2S=2.867×S - 0.7544×C3S %C3A=2.650×A - 1.692×F %C4AF=3.043XF
Transcribed Image Text:The oxide compositions of two Portland cements are given in Table 1. a) Calculate the potential compound compositions of the Portland cements, the oxide compositions of which are given in Table 1. b) Determine (and explain) the most suitable Portland cement for the following applications: i. Concrete pipe exposed to sewage attack ii. Emergency repair iii. Mass concrete c) Considering the heats of hydration of the four main clinker compounds, estimate the total heat of hydration of PC1 and PC2. Table 1 Oxide (%, by mass) CaO (C) SIO2 (S) PC1 PC2 66.2 63.2 20.7 23.4 Al2O3 (A) Fe2O3 (F) SO3 (S) Other 6.4 4.9 3.1 2 1.6 1.5 Hint: %C3S = 4.071×C - 7.6xS - 6.718XA - 1.43XF - 2.852×S %C2S=2.867×S - 0.7544×C3S %C3A=2.650×A - 1.692×F %C4AF=3.043XF
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