Question

With a very small structure a single column with an umbrella structure above may be acceptable.

(a) True

(b) False

The question was asked during an interview.

This is a very interesting question from Circular, Semicircular, Hexagonal & Half Hexagonal Rooms topic in section Methods of Building Estimate & Estimate of Building of Civil Engineering Drawing

Answer 1

The correct choice is (a) True

Explanation: For a larger structure columns may be placed on the radius at 2/3 of the roof’s radius. This results in minimal roof stresses. But while a circular structure with main structural elements being radial and passing through the center sounds good, it is unbuildable with more than 8 columns due to connections at the center. Past this point we need to develop some sort of structural placement drawing for the final roof and use that to locate the columns.