In the moment distribution method, the distribution factor of a member at a joint equals its stiffness divided by the
Correct answer: B. sum of stiffnesses of members at the joint
- A. sum of member lengths at the joint
- B. sum of stiffnesses of members at the joint
- C. carry over factor of the joint
- D. fixed end moment at the joint
Explanation
The distribution factor allocates the unbalanced joint moment in proportion to member stiffness. Therefore, a member's factor is its stiffness divided by the total stiffness of all members meeting at that joint.
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Structural analysis determines how beams, frames, trusses and arches carry loads through reactions, shear forces, bending moments, axial forces and deflections. It covers free-body diagrams, equilibrium equations, determinacy, influence lines and methods such as slope deflection, moment distribution and virtual work, while distinguishing analysis of a structure from its design.
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