GATE CE 2017 Set 2 — Question 41
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Structural Engineering → Connections & Plastic Analysis → Welded Connections
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Question
Two plates of thickness each are connected by a fillet weld of thickness as shown in the figure.
The permissible stresses in the plate and the weld are and , respectively. Assuming the length of the weld shown in the figure to be the effective length, the permissible load (in kN) is __________
Correct answer
59 to 61
Solution
The permissible load is the minimum of the tensile strength of the plate and the shear strength of the fillet weld.
Permissible tensile stress .
.
The weld is provided on three sides: two longitudinal lengths of and one transverse length of .
Effective length .
Permissible shear stress .
.Comparing the two, the permissible load is the lower value:
.
1.Strength of the smaller plate:
Width , thickness .Permissible tensile stress .
.
2.Strength of the fillet weld:
Weld size . Throat thickness .The weld is provided on three sides: two longitudinal lengths of and one transverse length of .
Effective length .
Permissible shear stress .
.Comparing the two, the permissible load is the lower value:
.
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