Contaminant Attenuation Zone Sizing for Engineered Soil Barriers Calculator

Quick Answer

Calculate Contaminant Attenuation Zone Sizing for Engineered Soil Barriers

Result Interpretation

Contaminant Attenuation Zone Sizing for Engineered Soil Barriers Calculator computes Barrier thickness and lateral extent in m using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

Hydrodynamic dispersion coefficient = 5.0E-8
Contaminant distribution coefficient = 0.02
Soil bulk density = 1500
Volumetric water content = 0.25
Target contaminant breakthrough time = 3153600000

Expected Result:

Barrier thickness and lateral extent = 195.34216134772

Engineering Interpretation:

Under the given input conditions, the calculated result is: Barrier thickness and lateral extent = 195.34216134772 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

barrier thickness and lateral extent = sqrt(2.0 * hydrodynamic dispersion coefficient * target contaminant breakthrough time * (1.0 + soil bulk density * contaminant distribution coefficient / volumetric water content))

Formula family: formula_environmental_contaminant_attenuation_zone_sizing

Variables

Symbol	Label	Role	Description
D_h	Hydrodynamic dispersion coefficient	INPUT	Hydrodynamic dispersion coefficient
t_breakthrough	Target contaminant breakthrough time	INPUT	Target contaminant breakthrough time
rho_b	Soil bulk density	INPUT	Soil bulk density
K_d	Contaminant distribution coefficient	INPUT	Contaminant distribution coefficient
theta	Volumetric water content	INPUT	Volumetric water content
barrier_thickness_and_lateral_extent	Barrier thickness and lateral extent	OUTPUT	Barrier thickness and lateral extent

Calculation Steps

Enter the hydrodynamic dispersion coefficient in m^2/s.
Enter the target contaminant breakthrough time in s.
Enter the soil bulk density in kg/m^3.
Enter the contaminant distribution coefficient in m^3/kg.
Enter the volumetric water content in m^3/m^3.
Step 1: Compute barrier thickness and lateral extent.
Read the barrier thickness and lateral extent (m) from the results.

Engineering Summary

Calculate Contaminant Attenuation Zone Sizing for Engineered Soil Barriers

Frequently Asked Questions

What does this calculator calculate?

The Contaminant Attenuation Zone Sizing for Engineered Soil Barriers Calculator estimates Barrier thickness and lateral extent based on the input parameters you provide

Why is hydrodynamic dispersion coefficient important in this calculation?

hydrodynamic dispersion coefficient is directly proportional to barrier thickness and lateral extent. When you enter hydrodynamic dispersion coefficient in m^2/s, the calculator uses it in the engineering formula to compute the output

How should I interpret the result barrier thickness and lateral extent?

The calculator outputs barrier thickness and lateral extent 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: Hydrodynamic dispersion coefficient (m^2/s), Target contaminant breakthrough time (s), Soil bulk density (kg/m^3), Contaminant distribution coefficient (m^3/kg), Volumetric water content (m^3/m^3). 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