Technical Questions

Question: Using core strength to calculate compressive strength of an existing structure

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

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

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

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

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

Question: Strength of concrete

Question: Factors governing the strength of concrete

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: Is the cutting of cores or other shaped specimens directly from a completed structure ever used ...

Question: Tolerances for floors supporting operable partitions

Question: The importance of concrete cover

Question: Epoxy-coated reinforcement

Question: Specialty admixtures