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Topics In Concrete

Home > Frequently Asked Questions

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Technical Questions

ACI Committees, Membership, and Staff have answered common questions on a variety of concrete related topics.

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Question: Standards for 7-day and 28-day strength test results

Question: How is the required strength selected, measured, and obtained?

Question: The effect of maximum size of aggregate on concrete strength

Question: The effect of aggregate strength on concrete strength

Question: The effect of aggregate characteristics on concrete shrinkage and permeability

Question: The most important single factor affecting compressive strength

Question: If time is not available for preliminary tests, how can the desired strengths be ensured?

Question: What test conditions affect the results of compressive strength tests of concrete?

Question: Strength of concrete

Question: Factors governing the strength of concrete