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By Joann Gonchar, AIA, and Peter Reina

AIA/Architectural Record Continuing Education

Instructions

• Read the article "Stadium Roofs Offer Much More Than Shelter"
• Complete the questions below, then fill in your answers .
• Fill out and submit the AIA/CES education reporting form in the magazine or print the form to receive one AIA learning unit.

Questions:

LU: 1
HSW: 1

1. A roof on a stadium provides for which of the following?
a. keeps rain out
b. keeps conditioned air in
c. provides the building’s signature element
d. all of the above

2. Why did contractors choose not to build the roof of the Athens Olympic Stadium in its final position over the seating bowl?
a. to shorten the time required to install polycarbonate cladding
b. to allow renovation of the seating bowl to move forward simultaneously
c. to reduce insurance risk
d. to allow testing of roof operation

3. Which facility has a retractable roof that operates on an incline?
a. Athens Olympic
b. Wembley
c. Arizona Cardinals
d. Reliant

4. Why is each roof panel at the Lucas Oil Stadium supported by five rails instead of the more typical two?
a. to allow for clear sight lines
b. to allow for quicker construction
c. to allow a thinner frame
d. to allow a larger opening at lower cost

5. Which is not true for the Wembley Stadium arch?
a. it has a southward lean
b. it supports a part of the roof
c. it was assembled on the field
d. it serves as a landmark

6. The speed that the roof of the Cardinals Stadium opens and closes varies to counteract what force?
a. time
b. gravity
c. velocity
d. relativity

7. What was the critical design consideration for the Cardinals Stadium 156-foot-tall supercolumns?
a. compression in the Brunel truss top chord
b. tension in the Brunel truss bottom chord
c. the forces and moments imposed due to jacking
d. lateral forces

8. How did designers of the Cardinals Stadium prevent thermal expansion from interfering with roof operation?
a. by reducing the number of trusses
b. by reducing the number of movable parts
c. by allowing movement through a linear bearing
d. by designing a roof that reflects the sun’s heat

9. The roof structure of the Cardinals Stadium was built on the ground to achieve all of the following except which?
a. to improve worker safety
b. to speed construction
c. to improve roof operation
d. to save money

10. Which is not true for the Cardinals Stadium?
a. an artificial turf field will roll out of the stadium
b. it is clad in insulated steel panels
c. it is designed to resemble a barrel cactus
d. it has an operable roof

Click here to print the reporting form.