Determine the vertical displacement of joint A. Each A992 steel member has a cross-sectional area of 400 mm^{2}.
Question 14.72: . Determine the vertical displacement of joint A. Each A992 ...
| Member | n | N | L | nNL |
| AB | 1.25 | 50 | 2.5 | 156.25 |
| AE | -0.75 | -30 | 1.5 | 33.75 |
| BC | 2.25 | 180 | 3 | 1215 |
| BD | -0.5 \sqrt{13} | -50 \sqrt{13} | \sqrt{13} | 1171.8 |
| BE | 0 | 60 | 2 | 0 |
| DE | -0.75 | -30 | 3 | 67.5 |
| \sum = 2644.30 |
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