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Global check - Step 1e:
D50 = 180 μm < 250 200 μm => Breaching is possible.
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| Benchmark | D-FLOW SLIDE | Relative error | |
|---|---|---|---|---|
Step 1a: Would flow slide lead to damage on levee? Marge [m] Slope [1:xxx] Assessment level [m + NAP] |
Yes 30.000 15.000 -10.000 |
Yes 30.000 15.000 -10.000 |
OK 0.00 % 0.00 % 0.00 % | |
| Step 1c: Artificially underwater installed and non-compacted sandy foreshore? | No | No | OK | |
Step 1d: Flow slide possible based on criteria "steepest slope aver 5m" ? Average slope over a height of at least 5 m [1:xxx] |
YesNo 25.000 |
YesNo 25.000 |
OK 0.00 % | |
Step 1e: Flow slide possible based on average geometry only? Total inclination of the channel slope [1:xxx] Is breaching possible? |
Yes 25.000 Yes |
Yes 25.000 Yes |
OK 0.00 % OK | |
Result of the Global check | Fail | Fail | OK | |
| Fictive channel depth Hr [m] | 1825.52414318 | 25.524143 | 0.00 % | |
| Fictive slope cotan αr | 10.5 | 14 | 1410.5 | 0.00 % |
| Max. allowable retrogression length Lallowable [m] | 60 | 60 | 0.00 % | |
| Probability of preventing a liquefaction P(ZV) [/km/year] | 61.52 44 × 10-566 | 1.52 44 × 10-56 | 0.00 % | |
| Reliability index β | - | 0.773 | - | |
| P(L > Lallowable) | 25.20 00 × 10-12 | 5.20 00 × 10-1 | 0.23 % | |
| Probability of flood damage by liquefaction P(falen|ZV) [/year] | 17.43 18 × 10-57 1 | 7.43 18 × 10-57 | 0.18 % | |
| Allowable probability of failure [/year] | 2.50 × 10-6 | 2.50 × 10-6 | 0.00 % | |
Result of the Detailed check | FailPassFail | Pass | OK | |
| Overall result | FailWarningFail | Warning | OK |
Results of benchmark 3-1 for case F:
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