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Rankine Active & Passive Lateral Earth Pressure & Retaining Wall Thrust Calculator

Easily calculate and compute rankine active & passive lateral earth pressure & retaining wall thrust calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
75.8 kN/m

Active Thrust (P_a)

Active Thrust (P_a)

75.8 kN/m

Total Active Thrust Pa Kn Per M

75.8

Active Coefficient Ka

0.333

Passive Coefficient Kp

3

Total Passive Thrust Pp Kn Per M

546.7

75.8 — kN/m

Calculation Breakdown

  1. Applied FormulaSizes retaining walls and basement shoring evaluating active lateral earth thrust pushing the wall forward and passive soil resistance anchoring the toe.K_a = \tan^2\left(45^\circ - \frac{\phi}{2}\right), \quad P_a = \frac{1}{2} K_a \gamma H^2 + K_a q H

Rankine Lateral Earth Pressure Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.019385776Active Thrust (P_a)

What Is the Rankine Active & Passive Lateral Earth Pressure & Retaining Wall Thrust Calculator?

This tool computes rankine active & passive lateral earth pressure & retaining wall thrust calculator with high precision arithmetic.

How Does the Rankine Active & Passive Lateral Earth Pressure & Retaining Wall Thrust Calculator Work?

Sizes retaining walls and basement shoring evaluating active lateral earth thrust pushing the wall forward and passive soil resistance anchoring the toe.

Rankine Active & Passive Lateral Earth Pressure & Retaining Wall Thrust Calculator Formula & Variables

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

Ka=tan⁡2(45∘−ϕ2),Pa=12KaγH2+KaqHK_a = \tan^2\left(45^\circ - \frac{\phi}{2}\right), \quad P_a = \frac{1}{2} K_a \gamma H^2 + K_a q H

Sizes retaining walls and basement shoring evaluating active lateral earth thrust pushing the wall forward and passive soil resistance anchoring the toe.

How to Use the Rankine Active & Passive Lateral Earth Pressure & Retaining Wall Thrust Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Rankine Active & Passive Lateral Earth Pressure & Retaining Wall Thrust Calculator Example

Input Values:

soilFrictionAngleDegrees:30
retainingWallHeightMeters:4.5
backfillUnitWeightKnM3:18
surchargePressureKpa:10
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required kN/m.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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