a) When the constituents of concrete are mixed fresh concrete paste is form and heat is produce. i) List the main constituents of concrete and explain their functions. ii) Name the chemical process and the heat produced in the all of the above constituent are mixed

Traffic and Highway Engineering
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Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter20: Design Of Rigid Pavements
Section: Chapter Questions
Problem 1P: Portland cement concrete consists of what four primary elements?
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a) When the constituents of concrete are mixed fresh concrete paste is form
and heat is produce.
i)
List the main constituents of concrete and explain their functions.
ii)
Name the chemical process and the heat produced in the all of the
above constituent are mixed
b) Table 1 shows the mix proportions of two concrete mixes.
i) Calculate water cement ratio of Mix A & B
j)
Explain relationship the workability, water cement ratio and strength of
the two concrete mixes.
Table 1: Concrete Mixture Proportions (kg/m³)
Concrete Mix
Cement
Sand
Granite
Water
Proportion
Mix A
350
600
1200
150
Mix B
350
600
1200
220
Transcribed Image Text:a) When the constituents of concrete are mixed fresh concrete paste is form and heat is produce. i) List the main constituents of concrete and explain their functions. ii) Name the chemical process and the heat produced in the all of the above constituent are mixed b) Table 1 shows the mix proportions of two concrete mixes. i) Calculate water cement ratio of Mix A & B j) Explain relationship the workability, water cement ratio and strength of the two concrete mixes. Table 1: Concrete Mixture Proportions (kg/m³) Concrete Mix Cement Sand Granite Water Proportion Mix A 350 600 1200 150 Mix B 350 600 1200 220
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