engineering recuitment WBMSC Sub Assistant Engineer Civil Mock Test 2023 Strength of Materials Columns
A hollow circular section of a column has external and internal diameter D and d respectively. It is subjected to a compressive load having an eccentricity e. For no tension condition at the base,
Which one of the following conditions should be satisfied?1
\(e < \frac{{{D^2} + {d^2}}}{{4\sqrt {D.d} }}\)
2
\(e < \frac{{{D^2} + {d^2}}}{{8D}}\)
3
\(e < \frac{{\frac{D}{3} + \frac{d}{4}}}{2}\)
4
\(e > \frac{{{D^2} + {d^2}}}{{8D}}\)