Determine the horizontal displacement of joint B of the truss. Each A992 steel member has a cross-sectional area of 400 mm^{2}.
Question 14.79: Determine the horizontal displacement of joint B of the trus...
| member | n | N | L | Nnl |
| AB | 0 | 0 | 1.5 | 0 |
| AC | -1.25 | -5 | 2.5 | 15.625 |
| AD | 1 | 4 | 2 | 8 |
| BC | 1 | 4 | 2 | 8 |
| CD | 0.75 | -2 | 1.5 | -2.25 |
| \sum = 29.375 |
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