Quiz: Unique Considerations for HSS Design

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One of the most effective uses for an HSS section is as a column in compression. HSS achieve higher compressive strength per unit weight that WF members due to:*

High radius of gyration in both axes – no weak axis
Aesthetic appeal
Smaller footprint
Higher torsional capacity

The design wall thickness of ASTM A500 HSS sections should be reduced to 0.93 x the nominal wall thickness.*

True
False

What option(s) were discussed for achieving HSS fire ratings?*

Cover it
Paint it
Fill it
All of the above

When painting HSS to achieve fire ratings, the HSS surface area to be covered is typically MORE than or LESS than a WF section?*

Less than
More than

During the HSS forming process for square or rectangular sections, residual stresses can be generated in what area?*

Middles of the flat walls
Corners
Top of tube
Bottom of tube

What step on the supply chain is unique to HSS members?*

Specifier
Producer
Service Center
Fabricator

A weld across the face of a rectangular HSS section will have what kind of load distribution across its length?*

Uniform
Non-uniform

What unique method of bolting the ends of round HSS members was presented today?*

End-flattened connection
Hot glue gun
Tack weld

In yield line analysis, we consider the edges of the HSS connecting face to be:*

Free
Simply supported to the sidewalls
Fixed (or “clamped”) to the sidewalls

What is the designation of the chord-stress interaction parameter that is uniquely applied to HSS connections?*

CSP
D/t
Qf

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