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A temporary or transient force acting on a building is considered a dead load.

The density of reinforced concrete is often assumed to be _____ lb/ft3.

The following two load combinations are used when dead loads stabilize the structure against overturning and sliding forces. U = 0.9D + 1.0WU = 0.9D + 1.0E

Steel structures require a larger volume and greater weight of material than does a comparable concrete structure.

Floor vibration is a common problem in concrete buildings.

Damage or collapse in extreme earthquakes is an example of a special limit state.

Serviceability limit states are generally considered risks for collapse.

Concrete structures require a larger volume and greater weight of material than does a comparable steel structure.

Lengths of reinforcing bars are generally given in 1-in. increments.

The definitive design specification for reinforced concrete buildings in the United States is ACI 327.