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The constant β in βAg0fy/γm0 for tensile strength of angle section does not depend on :

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The constant β in βAg0fy/γm0 for tensile strength of angle section does not depend on :

(a) area of unconnected leg

(b) size of outstanding leg

(c) ultimate stress of material

(d) thickness of outstanding leg

I had been asked this question in class test.

Query is from Angles Under Tension and Factors affecting Strength topic in portion Design of Tension Members of Design of Steel Structures

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Correct choice is (a) area of unconnected leg

To elaborate: β = 1.4 – 0.076[(bs/Lc)(w/t)(fy/fu)] , where fu and fy are ultimate and yield stress of material, w and t are size and thickness of outstanding leg respectively, bs is the shear distance from edge of outstanding leg to nearest line of fasteners, Lc is the length of end connection measured from centre of first bolt hole to centre of last bolt hole in the end connection.

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