Admixtures
Ingredient that reacts with water in concrete to produce strength.
What is Cement?
What ingredient is used in concrete in addition to the cement, water, and chemical admixtures.
What is aggregates?
The chemical reaction between the cement and water.
What is hydration.
The CSA or ASTM test method most commonly used to determine the abrasion resistance of concrete aggregates.
What is L.A. Abrasion test or LA Rattler test.
The Canadian acronym designation for the cement used in soils with high sulphate levels.
What is HS?
The standard sieve opening immediately smaller than the smallest sieve through which all of the aggregate must pass.
What is the Nominal Maximum Size
The 4 raw materials used in the manufacture of Portland cement.
What are:
a) calcium b) iron c) silica d) alumina
The ability of aggregates to resist volume changes due to environmental effects.
What is soundness?
The FOUR principle chemical compounds found in Portland cement.
What are:
a) Tricalcium Silicate b) Dicalcium Silicate
c) Tricalcium Aluminate d) Tetracalcium Alumino- ferrite
The amount of bulking of the fine aggregate in concrete can be attributed to.
What is the surface moisture content and the grading