Lab M 2 6 Q Kn M 3 2 1 (14.91 KiB) Viewed 37 times
Lab M 2 6 Q Kn M 3 2 2 (29.35 KiB) Viewed 37 times
Q3. An overhang beam is pinned supported at A point and B point as shown in Fig. 3a. The section for beam "ABC" is "I" section as shown in Fig. 3b. If the beam ABC is subjected to a uniformly distributed load (UDL) q. (The beam span between A and B "LAB" and UDL "q" values are assigned to the student ID number in the attached table at the end of the exam paper.) 3m D LAB B 1m Fig. 3a. An overhanging beam "ABC" с
300 ÏI Y 180 |y'=? 12 360 20 20 Fig. 3b Beam section (unit: mm) (1) Please find axial force within beam "ABC" and draw shear force diagram and bending moment diagram for beam "ABC" (15 marks) (2) Please find the section area, the centroid of the section and section moment of inertia for this beam section (10 marks) (3) Please find the maximum compressive and tensile normal stresses in beam "ABC", indicate the location of the maximum stresses. (Please check both maximum positive and negative bending moment sections) (20 marks)
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