Civil Engineering Bridge Construction Flashcard

Front

What is the difference between a force and a load?

Back

A force is applied to a structure, while a load is the weight of the vehicles and pedestrians crossing the bridge.

Front

What do tensile forces tend to do to a member?

Back

Lengthen it

Front

What do compressive forces tend to do to a member?

Back

Shorten it

Front

What is the magnitude of the force when a truck crosses a bridge?

Back

Unknown

Front

Which material has the greatest compressive strength but little tensile strength? Stone, Wood, Concrete, Iron

Back

Concrete

Front

What is the purpose of pre-stressed concrete in bridge construction?

Back

To increase the tensile strength

Front

Which material was a favorite for railroad bridges in the 19th century?

Back

Steel

Front

What are the five main types of bridges?

Back

Beam, Arch, Suspension, Cantilever, Cable-Stayed

Front

Which type of bridge may be as simple as a fallen tree across a creek?

Back

Beam Bridge

Front

What are the components of a beam bridge? Options: Deck, Pier, Span, Abutment; Girder, Truss, Rigid Frame, Arch; Hangers, Cables, Towers, Roadway; Struts, Lateral Bracing, Floor Beams

Back

Deck, Pier, Span, Abutment