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The eccentric load formula calculates the load that causes both direct stress and bending stress in a column. It relates the moment due to eccentric load and the eccentricity of loading to determine the actual load applied.
The calculator uses the formula:
Where:
Explanation: The formula calculates the eccentric load by dividing the moment caused by the eccentric load by the eccentricity distance.
Details: Accurate calculation of eccentric loads is crucial for structural design and analysis, ensuring columns and structural elements can withstand combined direct and bending stresses.
Tips: Enter the moment due to eccentric load in N·m and the eccentricity of loading in meters. Both values must be positive numbers greater than zero.
Q1: What is eccentric loading?
A: Eccentric loading occurs when a load is applied away from the centroidal axis of a structural member, causing both direct stress and bending stress.
Q2: How does eccentricity affect column behavior?
A: Greater eccentricity increases bending moments and stresses in the column, potentially reducing its load-carrying capacity.
Q3: What are typical units for eccentricity?
A: Eccentricity is typically measured in meters (m) or millimeters (mm), representing the distance from the load application point to the centroidal axis.
Q4: Can this formula be used for all types of columns?
A: This basic formula applies to various column types, but additional factors may need consideration for complex loading conditions or specific materials.
Q5: What's the difference between concentric and eccentric loading?
A: Concentric loading applies force through the centroid, causing only direct stress. Eccentric loading applies force away from the centroid, causing both direct and bending stresses.