Assignment 5: Transverse loading Due date: Monday Feb 6, 2012 1. (Midterm 2/53) The figure shows the cross section of the beam made of three identical steel plates welded together by four welding lines as shown. If allowable shear along each weld line is 18 kN/m, determine the maximum vertical shear that can be safely carried by this beam. (20 marks) 2. (Midterm 1/53) The beam is fabricated from four steel plates, and it is subjected to a shear force of V = 200 kN. (a) Show that = 0.080196 m from the bottom and I NA = 4.8646(10 -6 ) m 4 . (b) Determine the shear stress at point A, B, C and maximum shear stress max in the beam. (20 marks) Weld line 120 mm 30 mm 30 mm 120 mm 30 mm
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Assignment 5: Transverse loading
Due date: Monday Feb 6, 2012
1. (Midterm 2/53)
The figure shows the cross section of the beam made of
three identical steel plates welded together by four welding
lines as shown. If allowable shear along each weld line is 18
kN/m, determine the maximum vertical shear that can be
safely carried by this beam. (20 marks)
2. (Midterm 1/53) The beam is fabricated from four steel plates, and it is subjected to a shear force of V = 200 kN. (a) Show that ̅ = 0.080196 m from the bottom and INA = 4.8646(10-6) m4. (b) Determine the shear stress at point A, B, C and maximum
shear stress max in the beam. (20 marks)
Weld line 120 mm
30 mm
30 mm
120 mm
30 mm
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