Designing With Glass Block:
Abundant Applications Provide Practical, Aesthetic and Green Solutions

October 2007

Educational Advertising Section Provided by Pittsburgh Corning Corporation

Instructions

• Read the article "Designing With Glass Block: Abundant Applications Provide Practical, Aesthetic and Green Solutions"
• Complete the questions below, then fill in your answers.
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Questions:

Program Code: 107SPONB
LU: 1

1. What is the maximum square footage for an exterior standard glass block wall built without stiffeners or shelf angles?
a. 4 square feet
b. 12 square feet
c. 144 square feet
d. 350 square feet

2. Since glass block is nonporous and does not absorb any moisture, the consistency of the mortar used must be?
a. wet.
b. soft (like butter).
c. stiff (like peanut butter).
d. dry.

3. What should horizontal joint reinforcement do?
a. Control cracking due to expansion and contraction
b. Be placed no more than 16 inches on center and extend horizontally the length of the panel
c. Be pressed into the partially filled mortar joint, then covered with the remaining mortar and troweled smooth
d. All of the above

4. Glass block anchoring methods include the
a. panel anchors, chase and running methods.
b. channel, running and panel anchors methods.
c. panel anchors, channel and chase methods.
d. channel, chase and running methods.

5. Additional structural support for curved walls
a. should be placed where the curved section joins a straight section and at inflection points in multi-curved walls.
b. is not necessary if glass block meets hurricane code.
c. does not need to follow the contour of the curve.
d. is independent of the size of the block used.

6. All UL fire-rated glass block on the market meets a 45-minute or longer duration test meeting what standard?
a. ASTM E-2010 and NFPA 257.
b. ASTM E-119.
c. ASTM E-02.
d. ASTM E-30.

7. Solid 3-inch glass block has
a. an R-value of 1.75.
b. U-value of 0.87.
c. less thermal resistance than single-glazed 1/8-inch-thick plate glass.
d. a shading coefficient of 3.5.

8. Solid 3-inch glass block units that have been ballistics-tested and component- recognized provide what level(s) of ballistics?
a. No resistance
b. UL level 1
c. UL levels l and 2
d. UL levels 1, 2, and 6

9. Hollow glass block has an STC
a. higher than a solid glass block.
b. lower than a solid glass block.
c. equal to flat sheet glass.
d. higher than a 4-inch brick wall.

10. Hurricane-rated glass block must
a. have a lesser face thickness than standard block.
b. meet 150 psf design pressure in Dade County.
c. be mounted in a panel measuring less than 4 feet by 4 feet.
d. meet ASTM E-1886 and ASTM E-1996 requirements.

 

 

Originally published in the October 2007 issue of Architectural Record.