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Mast Climbing Platform Collapse in Austin, Texas


Quiz Questions

1. The tower mast sections were 32 ¼” wide, 32 ¼” deep and _____ high?
5’
8’
2. According to Figure 1, which module/s collapsed?
Mast Climbing Platform Collapse in Austin, Texas
North and south
Only north
3. The full form of AMC
American Mast Climbers
Authorized Mast Climbers
4.

The damage to the deck module #N4 is believed to have happened during the fall when it hit the wall on the 7th floor?

True
False
5.

Which software is used for structural analysis?

Ansys Mechanical
STAAD.Pro v8i
6. The load chart specified a safe uniformly distributed load of 5,400 lbs.
True
False
7.

The _________ of the bolt is reduced by approximately 20% if the threads are included in the shear plane?

Shear strength
Tensile strength
8. According Figure 6, how many buckets of mortar is mentioned at the north side?
Mast Climbing Platform Collapse in Austin, Texas 1
50
20
9. What does LRFD stands for?
Load and Resistance Failure Design
Load and Resistance Factor Design
10.

Yield stress of HSS steel tubes was assumed to be 46 ksi.

True
False