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Dolos Breakwater Armour Unit Sizing Calculator

Dolos units provide high hydraulic stability through extensive mechanical interlocking on coastal breakwaters.

Calculated Result
6.89 tonnes

Dolos Unit Mass

Unit Volume

2.87 m³

Characteristic Height

2.62 m

Buoyant Ratio (Δ)

1.341

Calculation Breakdown

  1. Hudson Dolos Mass CalculationM = (ρ_c · H³) / (K_D · Δ³ · cot θ) => 6.89 tonnes
  2. Unit Volume & HeightV = M / ρ_c; H_d = (V / 0.16)^(1/3) => 2.62 m

Dolos Dimensions

Interactive visualization based on your current inputs

Value
0.02.14.36.48.5Mass (t)Vol (m³)MetricValue

What Is the Dolos Breakwater Armour Unit Sizing Calculator?

Dolos units provide high hydraulic stability through extensive mechanical interlocking on coastal breakwaters.

How Does the Dolos Breakwater Armour Unit Sizing Calculator Work?

The calculation evaluates user-provided measurements using recognized domain equations, converts between measurement units, and adjusts for real-world efficiency factors.

Dolos Breakwater Armour Unit Sizing Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

M = \frac{\rho_c H^3}{K_D \Delta^3 \cot\theta}

Hudson equation for interlocking dolos units.

How to Use the Dolos Breakwater Armour Unit Sizing Calculator

  1. Enter your primary measurements in the input fields above.
  2. Select your preferred units (e.g. metric or imperial) if applicable.
  3. Review or adjust operational assumptions such as field efficiency.
  4. Click Calculate to instantly generate the full results breakdown and visual chart.
  5. Use the Reset button at any time to clear the form and test a new scenario.

Step-by-Step Example Calculation

Harbor Trunk

Input Values:

designWaveHeightHm:5.5
waverPeriodTp:13.0
armourDensityKgPerM3:2400.0
seawaterDensityKgPerM3:1025.0
slopeCotTheta:1.5

Understanding Your Result

Your calculated result represents the realistic operational capacity or baseline output under the specified conditions. Comparing theoretical and effective outputs reveals the direct impact of turns, overlap, and practical downtime.

Factors That Affect the Result

Field terrain, operator experience, equipment maintenance, overlap margin, and weather conditions can significantly influence real-world output.

When Should You Use This Calculator?

Use this calculator whenever you need quick, verified estimates for job planning, budgeting, equipment sizing, or project timelines.

Assumptions & Limitations

  • Stability coefficient Kd is typically 16 for dolos units.

Frequently Asked Questions

Calculation Accuracy & Reference Note

This calculator implements verified, deterministic mathematical equations based on published standards. Results should be treated as professional engineering estimates; always verify critical operations with local equipment manuals and site inspections.

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