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Question

A single unequal angle 65 x 65 x 6 is connected to a 8 mm thick gusset plate using 4 m size fillet weld. Block shear capacity of the angle is_______. [Grade of plate is fe 410]


A
465.19 kN
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B
420.6 kN
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C
185.3 kN
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D
658.1 kN
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Solution

The correct option is B 420.6 kN
Since the member is welded to the gusset plate, no net areas are involved and hence

Avn and Atn in the equation for Tdbshould be taken to be the corresponding gross areas.

Avn=Avg=8×(56.5+198)=2036 mm2
Atn=Atg=65×8=520 mm2

Block shear capacity
Tdb1=2503×1.1×2036+0.9×4101.25×520=420.66 kN

Tdb2=0.9×410×20363×1.25+250×5201.1=465.19 kN

Hence,
Tdb=420.66 kN

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