Answer Happy

Section B (Answer TWO of the four questions) [25 Marks) Question 3 Consider the statically indeterminate frame shown in Figure Q3 for which all elements have constant stiffness El. Implement the flexibility method by removing the vertical support at D to create a statically determinate system, The Product Integral Table is included at the end of this examination paper a) Sketch the Primary and the Secondary Structure for the application of the Flexibility Method and define the Compatibility condition. [3 marks) b) Find the displacement at the position of the release in the Primary structure by implementing Virtual Force Method 17 marks) c) Find the displacement at the position of the release in the Secondary structure by implementing Virtual Force Method [6 marks] d) Apply the compatibility condition to obtain the reactions at the release [3 marks) e) Draw the bending moment diagram for the frame. [6 marks) P-20KN im А B D 3m 3.5m 3.5m 7 um Figure Q3