Soil Mechanics Calculator
How to use Soil Properties Calculator Tools?
Step 1:- Select Unknown variable of soil properties like, void ratio, porosity, water content etc.
Step 2:- Select the possible combination of known variables which is required to calculate the unknown value of variables.
Step 3:- Input the values of known variables and select the units.
Step 4:- Click on Calculate buttonand you will get the result.
Soil Properties Calculator is the tool that helps you to calculate the unknown variables (Properties) of soil like void ratio, porosity, water content, degree of saturation etc. This calculator will helps to analyse the physical, chemical and hydraulic properties of soil for construction of structure like, road, bridge, buildings etc.
Video Guide
Numerical Example for Soil Properties Calculation
Q) Calculate Degree of Saturation (S), Porosity (n), Saturated Unit Weight (γ_sat), Air Content (a) of soil having following data.
Water Content (w): 15%
Dry Unit Weight (γ_d): 16 kN/m³
Specific Gravity of Soil Solids (G_s): 2.65
Void Ratio (e): 0.75
Bulk Unit Weight (γ_bulk): 18.4 kN/m³
Solution:
Step 1: Calculate Degree of Saturation (S)
The Degree of Saturation (S) can be calculated using the formula:
S = (w * G_s) / e
Given:
Water Content (w) = 15% = 0.15
Specific Gravity (G_s) = 2.65
Void Ratio (e) = 0.75
Substitute the values:
S = (0.15 * 2.65) / 0.75 = 0.53 or 53%
Step 2: Calculate Porosity (n)
Porosity (n) can be calculated using the formula:
n = e / (1 + e)
Given:
Void Ratio (e) = 0.75
Substitute the values:
n = 0.75 / (1 + 0.75) = 0.4286 or 42.86%
Step 3: Calculate Saturated Unit Weight (γ_sat)
The Saturated Unit Weight (γ_sat) can be calculated using the formula:
γ_sat = γ_d * (1 + e) / (1 + w)
Given:
Dry Unit Weight (γ_d) = 16 kN/m³
Void Ratio (e) = 0.75
Water Content (w) = 15% = 0.15
Substitute the values:
γ_sat = 16 * (1 + 0.75) / (1 + 0.15) = 24.348 kN/m³
Step 4: Calculate Air Content (a)
The Air Content (a) can be calculated using the formula:
a = (1 – S) * n
Given:
Degree of Saturation (S) = 0.53
Porosity (n) = 0.4286
Substitute the values:
a = (1 – 0.53) * 0.4286 = 0.2016 or 20.16%
Summary:
1. Degree of Saturation (S): 53%
2. Porosity (n): 42.86%
3. Saturated Unit Weight (γ_sat): 24.348 kN/m³
4. Air Content (a): 20.16%
Hence, In this way we can calculate the different proprties of soil using different formulas manually or you can use above calculator to calculate directly.
Read Also,
Soil mechanics notes pdf | Free Download !!
