Undesirable vibrations is an example of a _______.

The specific weight of plain concrete is often assumed to be _____ lb/ft3.

According to the textbook, unit conversions are one of the three most common sources of error in structural design.

One-way slabs carry loads in either a north-south or east-west direction to the joists or beams, whereas two-way slabs carry loads in both directions.

The differences between as-built dimensions and those shown on structural drawings is one of the reasons for variability in strength.

Two-way slabs carry loads in either a north-south or east-west direction to the joists or beams, whereas one-way slabs carry loads in both directions.

When a structure or structural element becomes unfit for its intended use, it is said to have reached a/an _______ state.

In most situations, which of the following is larger for a beam?

In ACI 318, the symbol U refers to _______ loads.

Concrete and reinforced concrete are used all over the globe due to the relatively simple skills required in concrete construction, the high cost of concrete construction compared to other forms of construction, and the wide availability of reinforcing bars, aggregate, water and cement.