Quick Answer
Calculate Tailings Beach Erosion-Resistant Berm Geometry Calculator
Calculator
Result Interpretation
Tailings Beach Erosion-Resistant Berm Geometry Calculator computes Required berm crest elevation above still water level in m using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Significant wave height = 0.35
- 2% exceedance wave runup height = 1.4
- Tailings beach saturation correction factor = 0.95
- Berm face roughness reduction factor = 0.82
- Beach slope tangent (horizontal:vertical) = 0.08
- Wave obliquity reduction factor = 0.9
Expected Result:
- Required berm crest elevation above still water level = 0.62573175
Engineering Interpretation:
Under the given input conditions, the calculated result is: Required berm crest elevation above still water level = 0.62573175 m.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
required berm crest elevation above still water level = significant wave height * pow(2% exceedance wave runup height / significant wave height, 0.5) * (1 + 0.25 * horizontal:vertical) * wave obliquity reduction factor * berm face roughness reduction factor * tailings beach saturation correction factor * 1.25Formula family: formula_tailings_tailings_beach_erosion_resistant_berm_sizing_tool
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| Hs | Significant wave height | INPUT | Significant wave height |
| Ru2p | 2% exceedance wave runup height | INPUT | 2% exceedance wave runup height |
| tan_alpha | Beach slope tangent (horizontal:vertical) | INPUT | Beach slope tangent (horizontal:vertical) |
| gamma_beta | Wave obliquity reduction factor | INPUT | Wave obliquity reduction factor |
| gamma_f | Berm face roughness reduction factor | INPUT | Berm face roughness reduction factor |
| gamma_H | Tailings beach saturation correction factor | INPUT | Tailings beach saturation correction factor |
| berm_geometry | Required berm crest elevation above still water level | OUTPUT | Required berm crest elevation above still water level |
| Ru2p_to_Hs_ratio_min | Ru2p_to_Hs_ratio_min | CONSTANT | Ru2p_to_Hs_ratio_min = 2.5 dimensionless |
| berm_safety_factor | berm_safety_factor | CONSTANT | berm_safety_factor = 1.25 dimensionless |
Calculation Steps
- Enter the significant wave height in m.
- Enter the 2% exceedance wave runup height in m.
- Enter the beach slope tangent (horizontal:vertical) in dimensionless.
- Enter the wave obliquity reduction factor in dimensionless.
- Enter the berm face roughness reduction factor in dimensionless.
- Enter the tailings beach saturation correction factor in dimensionless.
- Step 1: Compute required berm crest elevation above still water level.
- Read the required berm crest elevation above still water level (m) from the results.
Engineering Summary
Calculate Tailings Beach Erosion-Resistant Berm Geometry Calculator
Frequently Asked Questions
What does this calculator calculate?
The Tailings Beach Erosion-Resistant Berm Geometry Calculator estimates Required berm crest elevation above still water level based on the input parameters you provide
Why is significant wave height important in this calculation?
significant wave height is directly proportional to required berm crest elevation above still water level. When you enter significant wave height in m, the calculator uses it in the engineering formula to compute the output
How should I interpret the result required berm crest elevation above still water level?
The calculator outputs required berm crest elevation above still water level in m. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Significant wave height (m), 2% exceedance wave runup height (m), Beach slope tangent (horizontal:vertical) (dimensionless), Wave obliquity reduction factor (dimensionless), Berm face roughness reduction factor (dimensionless), Tailings beach saturation correction factor (dimensionless). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
Related Tools
Browse More Tools
Explore the full index of engineering calculators on this vertical site.