EXTERNAL FACTORS

ACTING ON SUSPENSION BRIDGE

Wind

Wind conditions are acknowledged to affect the performance of cable

supported bridges, since the deck structure is comparatively more

flexible compared to other bridge structural systems.

Traffic & Vehicle Mass

Increased load raises bridge’s stiffness and vibrations increased.

May cause the bridge to collapse.

Temperature

Expansion and compression of the structure.

Reduce stiffness of structure.

Corrosion

When a bridge is made of steel, corrosions occur and cause the

bridge to become weaker.

This is why galvanized steels are used to build modern suspension

bridges.