Question

In: Civil Engineering

Part 1 Select all answers that are correct Group of answer choices a. Sulphate, silica, carbonation...

Part 1

Select all answers that are correct

Group of answer choices

a. Sulphate, silica, carbonation and chloride can cause chemical damage to concrete.

b. Concrete is a mixture of Portland cement, water, aggregates and admixtures.

c. Concrete can be damaged by fire, freezing weather, aggregate expansion, bacterial corrosion and leaching.

d. None of the answers is correct.

e. Concrete has been around for thousands of years.

Part 2

Chemical admixtures:

Group of answer choices

a. can increase the curing rate.

b. can slow the hydration rate.

c. Are the largest component found in concrete. Concrete is mostly admixture.

d. Cement is an example of an admixture.

e. Include accelerators, retarders, corrosion inhibitors, workability agents, bonding agents.

Expert Solution

Ally Wells answered 11 months ago

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