In IS 800 (2007), the 'design tensile strength' of a member with bolt holes is governed by:
Choose the correct answer
Only yielding of gross section
Minimum of gross yielding, net section rupture, and block shear — whichever is least
Only welded connections
Ultimate tensile strength of full section
Correct Answer
B. Minimum of gross yielding, net section rupture, and block shear — whichever is least
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IS 800 Cl. 6.3: Design tensile strength Td = minimum of (Tdg, Tdn, Tdb) where Tdg = Ag·fy/γm0 (gross yielding), Tdn = 0.9·Anc·fu/γm1 + β·Ago·fy/γm0 (net rupture), Tdb = block shear. The critical mode is the minimum. Net section rupture is critical for lightly bolted connections; gross yielding for fully connected members.
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