Consider two types of a column cross-section: a hollow square and a hollow circular section. In both cases the wall thickness is 10 mm and the area occupied by the load-bearing material is 869 mm². Find which of these two column types produces a better buckling performance with relevant calculations supporting your answer. Answer • The outer size of the hollow square section can be calcaulated as mm • The outer diameter of the hollow circular section can be calcualted as mm • The second moment of area for the hollow square section can be calculated as mm4 poction can be calculated as

Consider two types of a column cross-section: a hollow square and a hollow circular section. In both cases the wall thickness is 10 mm and the area occupied by the load-bearing material is 869 mm². Find which of these two column types produces a better buckling performance with relevant calculations supporting your answer. Answer • The outer size of the hollow square section can be calcaulated as mm • The outer diameter of the hollow circular section can be calcualted as mm • The second moment of area for the hollow square section can be calculated as mm4 poction can be calculated as

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.11.2P: A prismatic bar of length L = 1.8 m and cross-sectional area A = 480 mm" is loaded by forces P{= 30...

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