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An action is anything that gives rise to stresses in a structure. A direct action is a movement or deformation that does not result from applied loads, but that causes stresses in a structure.

A structural fuse is a structural element that helps prevent, or at least limit, a progressive collapse.

In structural design, the symbol Lo represents _______.

Which of the following does not affect compressive strength?

In structural design, the symbol AI represents _______.

Engineers will generally design individual systems within a building, while an architect will provide the over-all building layout.

Occupants of concrete buildings commonly complain of floor vibrations.

Progressive collapse is an example of a _______.

It is desirable to have one factor to account for the variability in both resistances and load effects, because strengths and loads vary independently.

Dead loads are caused by the self weight of a structure and any materials permanently incorporated into the structure.