Computer · Structural Analysis
A rigid frame ABCD has an overhang member AB with end A free. Supports C and D are fixed. DB is a vertical member and BC is a horizontal member (DB = BC = 5 m). The slope-deflection moment equations are expressed as: MDB = 0.4 EI θB MBD = 0.8 EI θB MBA = 54 MBC = -135 + 1.6 EI θB MCB = 135 + 1.6 EI θB Using the joint equilibrium condition at B (∑MB = 0), the rotation θB at joint B is:
- 1None of the above
- 2Zero
- 333.75EI✓
- 4-112.5EI
Correct answer
33.75EI
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