4-Panel Howe Truss
12 m Howe roof truss with 3 × 30 kN panel-point loads; distinguishes Howe topology from Pratt — diagonals carry compression and verticals carry tension, the opposite of Pratt.
Category: truss · Difficulty: Intermediate
Solution
| Support | Rx (N) | Ry (N) | Mz (N·m) |
|---|---|---|---|
| A | 0 | 45 | 0 |
| E | 0 | 45 | 0 |
| Member | Axial force (N) | Sense |
|---|---|---|
| Member A–F | -63.64 | Compression |
| Member F–G | -45 | Compression |
| Member G–H | -45 | Compression |
| Member H–E | -63.64 | Compression |
| Member A–B | 45 | Tension |
| Member B–C | 60 | Tension |
| Member C–D | 60 | Tension |
| Member D–E | 45 | Tension |
| Member B–F | 45 | Tension |
| Member C–G | 30 | Tension |
| Member D–H | 45 | Tension |
| Member G–B | -21.213 | Compression |
| Member G–D | -21.213 | 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.