Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations Calculator

✖Degree of Saturation is the ratio of the volume of water to the volume of voids.ⓘ Degree of Saturation [S]			+10% -10%
✖Total Pressure at given Point in a flow is the pressure that would exist if the flow were slowed down isotropically to zero velocity.ⓘ Total Pressure at given Point [P₀]			+10% -10%
✖Depth of Dam is the distance from the top or surface to the bottom of something.ⓘ Depth of Dam [D]			+10% -10%
✖Specific Weight of Water in KN per cubic meter is the weight per unit volume of water.ⓘ Specific Weight of Water in KN per cubic meter [W]			+10% -10%

✖Void Ratio is the ratio of the volume of voids to the volume of solids.ⓘ Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations [e]

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Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations Solution

STEP 0: Pre-Calculation Summary

Formula Used

Void Ratio = (Degree of Saturation-(Total Pressure at given Point/(Depth of Dam*Specific Weight of Water in KN per cubic meter)))/((Total Pressure at given Point/(Depth of Dam*Specific Weight of Water in KN per cubic meter))-1)
e = (S-(P₀/(D*W)))/((P₀/(D*W))-1)
This formula uses 5 Variables

Variables Used

Void Ratio - Void Ratio is the ratio of the volume of voids to the volume of solids.
Degree of Saturation - Degree of Saturation is the ratio of the volume of water to the volume of voids.
Total Pressure at given Point - (Measured in Pascal) - Total Pressure at given Point in a flow is the pressure that would exist if the flow were slowed down isotropically to zero velocity.
Depth of Dam - (Measured in Meter) - Depth of Dam is the distance from the top or surface to the bottom of something.
Specific Weight of Water in KN per cubic meter - (Measured in Kilonewton per Cubic Meter) - Specific Weight of Water in KN per cubic meter is the weight per unit volume of water.

STEP 1: Convert Input(s) to Base Unit

Degree of Saturation: 7 --> No Conversion Required
Total Pressure at given Point: 109.6 Pascal --> 109.6 Pascal No Conversion Required
Depth of Dam: 3 Meter --> 3 Meter No Conversion Required
Specific Weight of Water in KN per cubic meter: 9.81 Kilonewton per Cubic Meter --> 9.81 Kilonewton per Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

e = (S-(P₀/(D*W)))/((P₀/(D*W))-1) --> (7-(109.6/(3*9.81)))/((109.6/(3*9.81))-1)

Evaluating ... ...

e = 1.20256953972808

STEP 3: Convert Result to Output's Unit

1.20256953972808 --> No Conversion Required

FINAL ANSWER

1.20256953972808 ≈ 1.20257 <-- Void Ratio

(Calculation completed in 00.008 seconds)

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Home » Engineering » Civil » Hydraulics and Waterworks » Dams » Buttress Dams » Dams on Soft or Porous Foundations » Dams on Soft or Porous Foundations by Darcy’s law » Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations

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National Institute of Technology Karnataka (NITK), Surathkal

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NSS College of Engineering (NSSCE), Palakkad

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Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations Formula

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What is a buttress dam?

A buttress dam or hollow dam is a dam with a solid, water-tight upstream side that is supported at intervals on the downstream side by a series of buttresses or supports

How to Calculate Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations?

Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations calculator uses Void Ratio = (Degree of Saturation-(Total Pressure at given Point/(Depth of Dam*Specific Weight of Water in KN per cubic meter)))/((Total Pressure at given Point/(Depth of Dam*Specific Weight of Water in KN per cubic meter))-1) to calculate the Void Ratio, The Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations formula is defined as the ratio of volume of void to volume of soil. Void Ratio is denoted by e symbol.

How to calculate Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations using this online calculator? To use this online calculator for Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations, enter Degree of Saturation (S), Total Pressure at given Point (P₀), Depth of Dam (D) & Specific Weight of Water in KN per cubic meter (W) and hit the calculate button. Here is how the Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations calculation can be explained with given input values -> 1.20257 = (7-(109.6/(3*9810)))/((109.6/(3*9810))-1).

FAQ

What is Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations?

The Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations formula is defined as the ratio of volume of void to volume of soil and is represented as e = (S-(P₀/(D*W)))/((P₀/(D*W))-1) or Void Ratio = (Degree of Saturation-(Total Pressure at given Point/(Depth of Dam*Specific Weight of Water in KN per cubic meter)))/((Total Pressure at given Point/(Depth of Dam*Specific Weight of Water in KN per cubic meter))-1). Degree of Saturation is the ratio of the volume of water to the volume of voids, Total Pressure at given Point in a flow is the pressure that would exist if the flow were slowed down isotropically to zero velocity, Depth of Dam is the distance from the top or surface to the bottom of something & Specific Weight of Water in KN per cubic meter is the weight per unit volume of water.

How to calculate Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations?

The Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations formula is defined as the ratio of volume of void to volume of soil is calculated using Void Ratio = (Degree of Saturation-(Total Pressure at given Point/(Depth of Dam*Specific Weight of Water in KN per cubic meter)))/((Total Pressure at given Point/(Depth of Dam*Specific Weight of Water in KN per cubic meter))-1). To calculate Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations, you need Degree of Saturation (S), Total Pressure at given Point (P₀), Depth of Dam (D) & Specific Weight of Water in KN per cubic meter (W). With our tool, you need to enter the respective value for Degree of Saturation, Total Pressure at given Point, Depth of Dam & Specific Weight of Water in KN per cubic meter and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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