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| Case | Type of sand | Number of flat berm | Description | Expected result for breaching |
|---|---|---|---|---|
| A | not too fine sand | 0 | The surface line coincides with the critical (local) profile given in Table A.4.2a from CUR113b | Fail |
| B | 0 | The surface line is steeper than the critical (local) profile given in Table A.4.2a from CUR113b (local slope are 1:X-0.1m instead of 1:X) | Fail | |
| C | 0 | The surface line is softer than the critical (local) profile given in Table A.4.2a from CUR113b (local slope are 1:X+0.1m instead of 1:X) | Pass | |
| D | 0 | The surface line is softer than the critical (local) profile given in Table A.4.2a from CUR113b, but is steeper than the critical average profiles | Fail | |
| E | fairly coarse sand | 0 | The surface line coincides with the critical (local) profile given in Table A.4.2a from CUR113b | Fail |
| F | 0 | The surface line is steeper than the critical (local) profile given in Table A.4.2a from CUR113b (local slope are 1:X-0.1m instead of 1:X) | Fail | |
| G | 0 | The surface line is softer than the critical (local) profile given in Table A.4.2a from CUR113b (local slope are 1:X+0.1m instead of 1:X) | Pass | |
| H | 0 | The surface line is softer than the critical (local) profile given in Table A.4.2a from CUR113b, but is steeper than the critical average profiles | Fail | |
| I | not too fine sand | 0 | The surface line is softer than the critical (local) profile given in Table A.4.2a from CUR113b (local slope are 1:X+0.1m instead of 1:X), but the channel is deeper than 40m. | Fail |
Benchmarks results
The inputted channel slope is given in the tables below per case, and compared with the allowed slope for breaching.
Case I: Inputted soil profile of the channel slope compared with the critical soil profile from CUR tables
| Inputted profile | Critical profile form CUR tables A.4.2a and A.4.2b) | Result Global check - step 7 per point | ||||||
|---|---|---|---|---|---|---|---|---|
X [m] | Z [m +GL] | Local slope [1:xxx] | Average slope [1:xxx] | Local slope [1:xxx] | Average slope [1:xxx] | Local check | Average check | |
| 20 | ||||||||
| 80.6 | ||||||||
| 131.1 | ||||||||
| 171.6 | ||||||||
| 202.1 | ||||||||
| 227.6 | ||||||||
| 231.7 | ||||||||
Benchmarks results
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| 248.1 | |||||||
| 252.75 | |||||||
| 263.6 | |||||||
| 267.8 | |||||||
D-Flow Slide results
Results of benchmark 1-2 for the Global Check - Step 7 (Breaching)
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