Skip to main content

Efficient columns

The radius of gyration in the Y-Y axis would be equal to that in the X-X axis in an ideally efficient column. Which of the following sections are most appropriate for both heavy loads and for which many beam connections will be necessary?
A. pipe column
B. square tube column
C. wide-flange column
D. C-shape channel
E. WT shapes

AnswerC. wide-flange column. Pipe & square tube columns are more ideal shapes, but are appropriate for light to moderate loads. The radius of gyration of wide-flange shapes can be nearly or close to equal.

ARE 4.0 exam prep: SS

Comments

Try These Too!

Building Efficiency

Convert the usable area of classrooms planned with medium efficiency level of new construction to the gross building area given the following model factors: Net Assignable Square Feet: 10,000, Space Factor: 1.5, Building Efficiency Ratio: 67%

Spec coordination

In case there is a discrepancy between specifications and the drawings, which takes precedence? Answer Neither, A201 considers these - quote - complementary and what is required by one shall be binding as if required by all.- unquote. ARE 4.0 exam prep: CDS

Shoring

A slurry wall is a narrow trench filled with a slurry mixture composed of bentonite clay and water, enabling it to resist pressure from the surrounding earth. What type temporary support is this? A. Bracing B. Sheeting C. Underpinning Answer B. It is a type of sheeting. ARE 4.0 exam prep: SPD