40.21.2. Seismic Restraints

Try these first

1. 1.

   What are seismic restraints?

   Hint

   Think about what helps stabilize structures during an earthquake.

2. 2.

   Name one type of seismic restraint.

   Hint

   What absorbs energy during seismic events?

3. 3.

   What is the primary function of seismic restraints?

   • To enhance aesthetics
   • To absorb seismic energy
   • To reduce costs

   Hint

   Consider the main purpose during earthquakes.

4. 4.

   True or False: Piers and abutments are critical structural elements in bridge design.

   • True
   • False

   Hint

   Think about their roles in bridge safety.

5. 5.

   Design a conceptual model of a bridge that includes seismic restraints. Discuss the types of restraints used and their placement.

   Hint

   Consider how forces act on a bridge during an earthquake.

6. 6.

   Evaluate an existing bridge structure lacking seismic restraints. Discuss potential retrofitting methods and their implications for safety.

   Hint

   Think about what changes could make the bridge safer.