K-Truss Panel
8 × 4 m K-truss panel with a 60 kN apex load; the K-junction at midspan forces symmetric diagonal tension while the entire bottom chord is zero-force — teaches load-path concentration in K-topology.
Category: truss · Difficulty: Advanced
Solution
| Support | Rx (N) | Ry (N) | Mz (N·m) |
|---|---|---|---|
| A | 0 | 30 | 0 |
| C | 0 | 30 | 0 |
| Member | Axial force (N) | Sense |
|---|---|---|
| Member 7 | 0 | — |
| Member 8 | 0 | — |
| Member 9 | -30 | Compression |
| Member 10 | -30 | Compression |
| Member 11 | -30 | Compression |
| Member 12 | -30 | Compression |
| Member 13 | 42.426 | Tension |
| Member 14 | 42.426 | Tension |
| Member 15 | -60 | Compression |
All reaction values are computed by the StatIQ structural engine, not generated text. Signs follow the solver's convention: a positive Ry acts upward, a negative Ry downward; a positive M is counter-clockwise.