Pore Water Pressure given Pore Pressure Ratio Calculator

✖Pore pressure ratio is a crude way of describing pore-water conditions in a slope stability analysis.ⓘ Pore Pressure Ratio [r_u]			+10% -10%
✖Unit Weight of Soil mass is the ratio of the total weight of soil to the total volume of soil.ⓘ Unit Weight of Soil [γ]			+10% -10%
✖Height of Slice taken into the consideration.ⓘ Height of Slice [z]			+10% -10%

✖Upward Force in Seepage Analysis is due to seepage water.ⓘ Pore Water Pressure given Pore Pressure Ratio [F_u]

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Pore Water Pressure given Pore Pressure Ratio Solution

STEP 0: Pre-Calculation Summary

Formula Used

Upward Force in Seepage Analysis = (Pore Pressure Ratio*Unit Weight of Soil*Height of Slice)
F_u = (r_u*γ*z)
This formula uses 4 Variables

Variables Used

Upward Force in Seepage Analysis - (Measured in Pascal) - Upward Force in Seepage Analysis is due to seepage water.
Pore Pressure Ratio - Pore pressure ratio is a crude way of describing pore-water conditions in a slope stability analysis.
Unit Weight of Soil - (Measured in Newton per Cubic Meter) - Unit Weight of Soil mass is the ratio of the total weight of soil to the total volume of soil.
Height of Slice - (Measured in Meter) - Height of Slice taken into the consideration.

STEP 1: Convert Input(s) to Base Unit

Pore Pressure Ratio: 0.9 --> No Conversion Required
Unit Weight of Soil: 18 Kilonewton per Cubic Meter --> 18000 Newton per Cubic Meter (Check conversion here)
Height of Slice: 3 Meter --> 3 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F_u = (r_u*γ*z) --> (0.9*18000*3)

Evaluating ... ...

F_u = 48600

STEP 3: Convert Result to Output's Unit

48600 Pascal -->48.6 Kilonewton per Square Meter (Check conversion here)

FINAL ANSWER

48.6 Kilonewton per Square Meter <-- Upward Force in Seepage Analysis

(Calculation completed in 00.004 seconds)

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

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Meerut Institute of Engineering and Technology (MIET), Meerut

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< Slope Stability Analysis using Bishops Method Calculators

Length of Arc of Slice given Effective Stress

LaTeX Go Length of Arc = Total Normal Force/(Effective Normal Stress+Total Pore Pressure)

Effective Stress on Slice

LaTeX Go Effective Normal Stress = (Total Normal Force/Length of Arc)-Total Pore Pressure

Normal Stress on Slice

LaTeX Go Normal Stress in Pascal = Total Normal Force/Length of Arc

Length of Arc of Slice

LaTeX Go Length of Arc = Total Normal Force/Normal Stress in Pascal

Pore Water Pressure given Pore Pressure Ratio Formula

LaTeX Go

Upward Force in Seepage Analysis = (Pore Pressure Ratio*Unit Weight of Soil*Height of Slice)
F_u = (r_u*γ*z)

What is Pore Water Pressure?

Pore water pressure refers to the pressure of groundwater held within a soil or rock, in gaps between particles. Pore water pressures below the phreatic level of the groundwater are measured with piezometers.

How to Calculate Pore Water Pressure given Pore Pressure Ratio?

Pore Water Pressure given Pore Pressure Ratio calculator uses Upward Force in Seepage Analysis = (Pore Pressure Ratio*Unit Weight of Soil*Height of Slice) to calculate the Upward Force in Seepage Analysis, The Pore Water Pressure given Pore Pressure Ratio is defined as the pressure of the fluid in the pore space that may influence Bishop's method of slope stability. Upward Force in Seepage Analysis is denoted by F_u symbol.

How to calculate Pore Water Pressure given Pore Pressure Ratio using this online calculator? To use this online calculator for Pore Water Pressure given Pore Pressure Ratio, enter Pore Pressure Ratio (r_u), Unit Weight of Soil (γ) & Height of Slice (z) and hit the calculate button. Here is how the Pore Water Pressure given Pore Pressure Ratio calculation can be explained with given input values -> 0.0486 = (0.9*18000*3).

FAQ

What is Pore Water Pressure given Pore Pressure Ratio?

The Pore Water Pressure given Pore Pressure Ratio is defined as the pressure of the fluid in the pore space that may influence Bishop's method of slope stability and is represented as F_u = (r_u*γ*z) or Upward Force in Seepage Analysis = (Pore Pressure Ratio*Unit Weight of Soil*Height of Slice). Pore pressure ratio is a crude way of describing pore-water conditions in a slope stability analysis, Unit Weight of Soil mass is the ratio of the total weight of soil to the total volume of soil & Height of Slice taken into the consideration.

How to calculate Pore Water Pressure given Pore Pressure Ratio?

The Pore Water Pressure given Pore Pressure Ratio is defined as the pressure of the fluid in the pore space that may influence Bishop's method of slope stability is calculated using Upward Force in Seepage Analysis = (Pore Pressure Ratio*Unit Weight of Soil*Height of Slice). To calculate Pore Water Pressure given Pore Pressure Ratio, you need Pore Pressure Ratio (r_u), Unit Weight of Soil (γ) & Height of Slice (z). With our tool, you need to enter the respective value for Pore Pressure Ratio, Unit Weight of Soil & Height of Slice 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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