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2 cards from this section. Quick, good the night before a test.
What happens to the stress in a column when it is eccentrically loaded?
Think about how forces interact when applied off-center.
Define eccentricity in relation to loading on a column.
Consider where the load's acting point is vs. the center.
What does eccentric loading cause in a column?
Recall the definition of eccentric loading.
True or False: Eccentric loading has no effect on a column's stability.
Consider the effects of a load applied off-center.
A column with a length of 3 m is pinned at both ends and subjected to a central load of 1500 N and an eccentric load at 0.5 m from the centroid causing a moment of 100 Nm. Calculate the total stress experienced on the extreme fiber.
Break the problem into parts, finding P/A and M/I separately.
Design a column that can safely carry an axial load of 2000 N and an eccentric load that creates a moment of 200 Nm, ensuring that the bending stress does not exceed 160 MPa. Determine the necessary moment of inertia.
Visualize how the diameter or cross-section affects the moment of inertia.
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