Element 1 Element 2 400 kN.m В 2 m 2 m Figure. 1 Question 1 The structure shown in Fig. 1 is fixed at Node A and constrained with roller support at Node B. The structure is subjected to concentrated moments at Node C. Assume El is constant. Determine the degree of static indeterminacy (DSI), i.e., the excess of unknown actions than the available number of equations of static equilibrium. Find the reaction at support B using the flexibility (force) method of analysis. Draw the shear force diagram (SFD) and bending moment diagram (BMD) showing all the peak values. i. ii. ii.

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Equilibrium and Support Reactions

Civil engineers deal with structures that are composed of several members connected or with individual members such as beams and columns. To analyze such structures, the condition of statics must be applied. Under the static condition, the members are considered to be in equilibrium under the action of forces, that is, the members are assumed to be having negligible velocity.