Developed under-utilisation scenarios and associated design and appraisal approaches
| Scenario | Design approach | Appraisal approach |
|---|---|---|
| 1 | BS 449-2:1969 (BSI, 1969): Optimal compliance | |
| 2 | BS 5950-1:2000 (BSI, 2001): Optimal compliance | |
| 3 | EC: Omitting reduction/combination factors (ξ, ψ) | |
| 4 | EC: Omitting imposed load reduction factors (αa, αn) | EC: Optimal compliance |
| 5 | EC: Targeting UR = 0.8 | |
| 6 | EC: Using over-specified imposed loads | |
| 7 | ||
| 8 | EC: Using experienced imposed loads | |
| 9 | EC: Optimal compliance | EC: Using residential imposed loads |
| 10 | EC: With average material strength | |
| 11 | EC: With reduced partial factor for permanent loads (γ) |
| Scenario | Design approach | Appraisal approach |
|---|---|---|
| 1 | BS 449-2:1969 ( | |
| 2 | BS 5950-1:2000 ( | |
| 3 | EC: Omitting reduction/combination factors ( | |
| 4 | EC: Omitting imposed load reduction factors ( | EC: Optimal compliance |
| 5 | EC: Targeting UR = 0.8 | |
| 6 | EC: Using over-specified imposed loads | |
| 7 | ||
| 8 | EC: Using experienced imposed loads | |
| 9 | EC: Optimal compliance | EC: Using residential imposed loads |
| 10 | EC: With average material strength | |
| 11 | EC: With reduced partial factor for permanent loads ( |
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