11) The oxide compositions of two Portland cements are given in Table 1.a) Calculate the potential compound compositions of the Portland cements, the oxidecompositions 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 attackii. Emergency repairiii. Mass concretec) Considering the heats of hydration of the four main clinker compounds, estimate the totalheat of hydration of PC1 and PC2.Table 1Oxide (%, bymass)СаО (С)SiO2 (S)Al2O3 (A)Fe2O3 (F)SO3 (Š)OtherPC1PC266.263.220.723.46.44.93.1521.61.5Hint:%C3S = 4.071×C - 7.6xS - 6.718XA - 1.43×F - 2.852x5%C2S=2.867×S - 0.7544×C3S%C3A=2.650×A - 1.692×F%C4AF=3.043×F

Answered: xplain) the most suitable Portland…

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xplain) the most suitable Portland cement for the follov exposed to sewage attack pair

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

11) 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)
СаО (С)
SiO2 (S)
Al2O3 (A)
Fe2O3 (F)
SO3 (Š)
Other
PC1
PC2
66.2
63.2
20.7
23.4
6.4
4.9
3.1
5
2
1.6
1.5
Hint:
%C3S = 4.071×C - 7.6xS - 6.718XA - 1.43×F - 2.852x5
%C2S=2.867×S - 0.7544×C3S
%C3A=2.650×A - 1.692×F
%C4AF=3.043×F

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