FDOT Concrete Inspection 2

Question 1

What is the minimum number of cylinders that must be cast per concrete test per FDOT requirements for acceptance testing?

Accepted Answer

2

Answer

FDOT requires a minimum of 2 cylinders per test set for acceptance, with one tested at 28 days and one held as a check cylinder.

Question 2

According to FDOT, what is the maximum allowable slump for vibrated concrete in bridge deck construction?

Accepted Answer

4 inches

Answer

FDOT specifications limit slump to a maximum of 4 inches for vibrated concrete used in bridge deck construction.

Question 3

What does FDOT Class V concrete designation indicate?

Accepted Answer

High-strength structural concrete above 6,000 psi

Answer

FDOT Class V concrete is high-strength concrete with specified compressive strengths exceeding 6,000 psi, used for high-performance applications.

Question 4

When should a concrete inspector reject a load of ready-mix concrete arriving on an FDOT project?

Accepted Answer

All of the above

Answer

FDOT specifications require rejection if any of these conditions are met: excessive drum revolutions, time limit exceeded, or concrete temperature too high.

Question 5

What FDOT specification requires contractors to submit a concrete mix design for approval before use?

Accepted Answer

Section 346

Answer

FDOT Section 346 requires contractors to submit mix designs for engineer approval prior to beginning concrete placement operations.

FDOT - Florida Department of Transportation Practice Test

FDOT - Florida Department of Transportation Practice Test

FDOT Concrete Inspection 2