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

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 1Total Stress Calculation and graph before groundwater oscillation.
  4. D2: Calculation Sheet 2Pore Water Pressure Calculation and graph before groundwater oscillation.
  5. D3: Calculation Sheet 3Effective Stress Calculation and graph before groundwater oscillation.
  6. D4: Calculation Sheet 1Total Stress Calculation and graph after groundwater oscillation.
  7. D5: Calculation Sheet 1Pore Water Pressure Calculation and graph after groundwater oscillation.
  8. D6: Calculation Sheet 1Effective 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

🛒 To Buy Geotechnical Excel Spreadsheets and Use It on Your PC:

👉 How to Buy Geotechnical Excel Spreadsheets and Use It on Your PC

🔗 Follow Geotechnical Excel Spreadsheets on Social Media:

👨‍🏫 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.


📌 Stay Updated:

Subscribe for upcoming lectures on:



Soil Mechanics – Effective Stress for Single Layer Soil Profile | GEOtExcel Spreadsheets

Soil Mechanics – Effective Stress for Single Layer Soil Profile | GEOtExcel Spreadsheets

[GEO-2025-0122] – By Dr. Ahmad Fahmi

We are excited to present the Effective Stress for Single Layer Soil Profile spreadsheet pack, part of the GEOtExcel (2025-1) collection. This set includes 20 sheets, designed for geotechnical engineers, soil mechanics students, and civil engineers looking to calculate and visualize effective stress in a single-layer soil profile. The pack includes essential calculations and graphs for total stress, pore water pressure, and effective stress in both kg/m² and kN/m² units.


What’s Included in the 20 Spreadsheets?

  1. Start: Introduction sheet for Effective Stress calculations (kg-Layout 1).
  2. Single Layer-kg: Main sheet explaining the Effective Stress concept for a single-layer profile in kg/m².
  3. TS-01: Calculation Sheet 1 for Total Stress calculation and associated graph.
  4. u-01: Calculation Sheet 2 for Pore Water Pressure calculation and graph.
  5. ES-01: Calculation Sheet 3 for Effective Stress calculation and graph.
  6. [GEO-2025-0122-A] – kg-Layout 1: Effective Stress layout for kg/m².
  7. [GEO-2025-0122-B] – kg-Layout 2: Second layout for Effective Stress using kg/m².
  8. [GEO-2025-0122-C] – kN-Layout 1: Effective Stress layout for kN/m².
  9. [GEO-2025-0122-D] – kN-Layout 2: Second layout for Effective Stress using kN/m².

Applications in Soil Mechanics and Geotechnical Engineering:

  • Performing effective stress analysis in single-layer soil profiles
  • Calculating and visualizing total stress, pore water pressure, and effective stress
  • Teaching and learning about effective stress concepts in soil mechanics
  • Suitable for geotechnical testing, field work, and laboratory experiments
  • Ideal for use in civil engineering projects and foundation design
  • Comprehensive graphs for visual understanding and data interpretation

📦 Part of GEOtExcel 2025-1 Collection

This product is part of the GEOtExcel (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


🛒 To Buy GEOtExcel and Use It on Your PC:

👉 How to Buy GEOtExcel and Use It on Your PC


🔗 Follow GEOtExcel on Social Media:


👨‍🏫 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.


📌 Stay Updated:

Subscribe for upcoming lectures on: