Quiz 1. Topic: prestress loss

The net effect due to prestressing in prestressed concrete beams is usually

• Tension

• bending and compression

• bending and tension

• compression

The net effect due to prestressing in prestressed concrete beams is usually

• columns and structs

• ties

• wall panel

• beams and pipes

The net effect due to prestressing in prestressed concrete beams is usually

• supports

• 1/3 of the total span

• mid span

• none of the above

which of the following losses of prestresses occurs only in pre tensioning and not in post tensioning

• elastic shortening

• creep

• shrinkage

• friction

How many types of prestresses loss?

• 6

• 2

• 4

• 9