Soil Mechanics – Effective Stress with Double Layer and Groundwater Oscillation | Geotechnical Excel Spreadsheets

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Soil Mechanics – Effective Stress with Double Layer and Groundwater Oscillation | Geotechnical Excel Spreadsheets

[GEO-2025-0124] – By Dr. Ahmad Fahmi

We are excited to introduce the Effective Stress with Double Layer and Groundwater Oscillation spreadsheet pack, part of the Geotechnical Excel Spreadsheets (2025-1) collection. This set includes 16 powerful spreadsheets designed for soil mechanics professionals, students, and geotechnical engineers to analyze the effects of groundwater oscillation on effective stress variation in double layer soil systems.

This pack enables users to perform detailed calculations for total stress, pore water pressure, and effective stress, before and after groundwater oscillation, which is essential for foundation and soil stability analysis in areas affected by fluctuating water levels.

What’s Included in the 16 Spreadsheets?

  1. Start: Effective Stress (kg-Layout 1) – Introduction sheet for calculating effective stress in double layer soil systems.
  2. Double Layer-kg: Main Super Sheet – Analyzing the effect of groundwater oscillation on effective stress variation (kg/m²).
  3. D1: Calculation Sheet 1 – Total Stress Calculation and graph before groundwater oscillation.
  4. D2: Calculation Sheet 2 – Pore Water Pressure Calculation and graph before groundwater oscillation.
  5. D3: Calculation Sheet 3 – Effective Stress Calculation and graph before groundwater oscillation.
  6. D4: Calculation Sheet 1 – Total Stress Calculation and graph after groundwater oscillation.
  7. D5: Calculation Sheet 1 – Pore Water Pressure Calculation and graph after groundwater oscillation.
  8. D6: Calculation Sheet 1 – Effective Stress Calculation and graph after groundwater oscillation.

Applications in Soil Mechanics and Geotechnical Engineering:

  • Effective Stress Calculation: Calculate the effective stress in double layer soils under varying groundwater conditions.
  • Groundwater Oscillation Effects: Analyze how oscillating groundwater affects total stress, pore water pressure, and effective stress.
  • Foundation Design: Essential for designing foundations in areas where groundwater levels fluctuate.
  • Practical Tool: Ideal for geotechnical engineers, soil mechanics professionals, and students working on foundation stability and soil behavior analysis.
  • Educational Use: A valuable teaching tool for soil mechanics and geotechnical engineering courses, particularly for understanding stress variations under groundwater changes.

📦 Part of Geotechnical Excel Spreadsheets 2025-1 Collection

This product is part of the Geotechnical Excel Spreadsheets (2025-1) suite, featuring:

  • 12 groups of spreadsheets
  • 50 files for various soil mechanics and foundation engineering calculations
  • 470+ spreadsheets
  • Secure and permanent access to all files on your computer
  • Commercially licensed for professional use

For more information or to purchase, contact us at:
📧 academy.dr.fahmi@gmail.com

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👨‍🏫 About Dr. Ahmad Fahmi

Assistant Professor, Geotechnical Engineering, University of Bonab
Dr. Fahmi specializes in applying Excel-based solutions for soil mechanics, foundation engineering, and geotechnical testing.

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