For No Tension Condition Is Eccentricity Should Be?

For no tension in column of diameter D, the eccentricity of the compressive load

compressive load
In mechanics, compressive strength or compression strength is the capacity of a material or structure to withstand loads tending to reduce size (as opposed to tensile strength which withstands loads tending to elongate). ... Compressive strength is a key value for design of structures.
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must be less than. D/4.

What is the condition for no tension?

If the load acting in the middle third area or core of the section, then the material experiences only compressive stress without producing tensile stress. i.e. Direct stress is equal to bending stress. Minimum stress is zero, such condition is said to be no tension condition.

What is limit of eccentricity for no tension criteria in the section?

Now, for no tension condition; This limiting eccentricity when load 'P' act anywhere form center. Kernel or Core Section: For circular section diameter of Kernel Section is (D/8)+ (D/8) = D/4.as shown in fig.

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