Determine the support reactions and draw the shear and bending moment diagrams for the frame shown in the figure below using the force method. Select the horizontal support reaction at B as your redundant constraint. 40 k C A 3 k/ft 30 ft El = constant D B 15 ft

P (kN) d (mm) t (mm) www 85 80 25 The beam in Figure Q2(a) has a cross-section as shown in Figure Q2(b), where the values of P, d and t are given in Table Q2. (a) Determine reactions, RA and Rg. (b) Determine the shear force at section AB and bending moment at point B. (c) Determine the neutral axis and moment of inertia of the cross section of the beam (d) Det hine the maximum tensile and compressive bending stress the beam at point B. (Formula: omax =). Then, plot the bending stress distribution. (e) Determine the maximum shear stress of at section AB. (Formula: T =). P (kN) t (m d (mm) 1.6 m 0.8 m d (mm) t (mm) t(mm) (a) Figure Q2

PROBLEM 1 For the figure shown, determine the reactions at A and D, the tension forces AB, BC and CD and the sag at B. +³² + 8² +²² YB. B 6k sk

Note:hand written solution should be avoided.