Frequently Asked Questions (FAQs)

Frequently Asked Questions (FAQs)

Q1. Why does the course use two software programs for lateral pile analysis?

The course uses LPile by Ensoft and RSPile by Rocscience to demonstrate how the same fundamental lateral pile-analysis principles are implemented in different software environments.

The objective is not simply to teach you how to operate two programs. It is to help you understand the theory, assumptions, modelling workflow, and interpretation of results so that you are not dependent on one particular software package.

By working with two programs, you will learn how to:

  • Compare different modelling interfaces and workflows

  • Recognize similarities and differences in soil-model implementation

  • Review p–y curves and modelling assumptions

  • Compare calculated displacement, rotation, shear, and bending moment

  • Identify potential input or modelling errors

  • Perform independent checks instead of accepting software results without review

  • Transfer your knowledge to other lateral pile-analysis programs

This dual-software approach reflects the broader purpose of the course: to provide a deeper theoretical and practical understanding of lateral pile behaviour and raise the standard of how lateral pile analyses are developed, reviewed, and communicated.


Q2. Is this course only for LPile and RSPile users? What if I use different software?

No. The course is not limited to LPile or RSPile users.

It focuses on the fundamental principles of lateral pile analysis, including:

  • Lateral load-transfer mechanisms

  • Manual calculations

  • Broms’ method

  • Closed-form analytical solutions

  • The p–y curve approach

  • Selection of appropriate soil and rock models

  • Static and cyclic loading

  • Pile-head boundary conditions

  • Group effects and p-multipliers

  • Scour and sloping-ground effects

  • Interpretation of displacement, rotation, shear, and bending moment

  • Geotechnical and structural design coordination

These concepts are largely independent of any particular software package.

The understanding and engineering judgment developed through the course can be applied when using other lateral pile-analysis tools, including AllPile, GROUP, DeepEX, and custom calculation spreadsheets.

However, each program may use different assumptions, numerical formulations, soil models, and input requirements. You should always understand and verify the methodology used by your selected software.


Q3. Why are LPile and RSPile specifically used in this course?

RSPile by Rocscience

RSPile provides tools for analysing laterally loaded single piles and pile groups under different soil, pile, and loading conditions.

It is used in the course to demonstrate topics such as:

  • Nonlinear lateral pile response

  • p–y curve modelling

  • Single-pile and pile-group behaviour

  • Different soil and rock models

  • Lateral loads and moments

  • Pile displacement and internal forces

  • Group interaction

  • Sensitivity to soil and pile parameters

Rocscience currently provides an option to request a free trial of RSPile through its official website.

The availability, duration, eligibility requirements, and conditions of any trial are determined solely by Rocscience and may change.

LPile by Ensoft

LPile is a specialized program developed for the analysis of piles subjected to lateral loads using the p–y curve approach.

It is used in the course to demonstrate topics such as:

  • Pile-section and structural-property definition

  • Nonlinear soil-response models

  • Static and cyclic p–y curves

  • Pile-head loading and boundary conditions

  • Displacement and rotation

  • Shear-force and bending-moment distributions

  • Scour and other project-specific conditions

Participants should check Ensoft’s official website or contact Ensoft directly regarding the current availability of demonstration, evaluation, academic, or temporary software-access options.

Using the two programs allows participants to compare their workflows and results while developing a software-independent understanding of lateral pile analysis.


Q4. Does The Geotechnicals provide LPile or RSPile licences?

No. The Geotechnicals does not provide LPile or RSPile licences and does not have software-licensing agreements with Rocscience or Ensoft.

Participants are responsible for arranging their own software access if they wish to independently complete the software-based exercises.

Depending on your circumstances, you may use:

  • An existing personal licence

  • A licence provided by your employer

  • Access provided by a university or educational institution

  • A trial or evaluation licence provided by the software developer, where available

  • Another suitable lateral pile-analysis program to independently apply the theoretical concepts

Any trial, demonstration, academic, or temporary licence is provided and administered directly by the relevant software developer. Its availability, duration, approval, features, and conditions are outside the control of The Geotechnicals.

Because you will receive immediate access to the complete course after registration, we recommend reviewing the proposed learning strategy and identifying the software-based lessons before activating any time-limited software access.


Q5. How do I receive my Certificate of Completion?

To receive your Certificate of Completion, you must:

  • Complete the required course videos and learning activities

  • Complete the course assignment

  • Email your completed assignment to info@thegeotechnicals.com

Once your submission has been reviewed and verified, your digital Certificate of Completion will be sent to the email address used during registration.

You do not need to complete the course within four weeks to qualify for the certificate. The proposed four-week learning strategy is provided only to help you organize your studies.

You may request your certificate at any time during your course-access period after completing the required assignment.

If you do not receive your certificate within seven business days after confirmation that your assignment has been reviewed, please check your spam or junk folder before contacting The Geotechnicals Team.


Q6. Can I contact the instructor during the course?

Yes. Although the course is self-paced, you are welcome to contact the instructor with academic or technical questions related to the course.

You may email your questions to:

info@thegeotechnicals.com

You may also leave a comment directly under any course video. Dr. Ahmed ElMouchi will review and respond to course-related questions as soon as reasonably possible.

Please note that response times may vary depending on the nature of the question and the instructor’s professional commitments.


Q7. Is the course accredited for CPD hours?

The course includes approximately 20 hours of documented learning content.

Your Certificate of Completion and documented learning hours may be used toward Continuing Professional Development, or CPD, reporting, subject to the requirements and approval of your local professional or regulatory body.

CPD requirements vary between jurisdictions and professional organizations. Participants are responsible for confirming whether the course and its documented learning hours qualify under the requirements applicable to their professional registration.


Q8. Will I receive lifetime access to the course videos?

Your initial enrollment includes immediate access to all available course videos, LPile and RSPile demonstrations, practical examples, and supporting learning materials for one year from the date of registration.

The content is not released gradually. You may access any available lesson from the beginning and either follow the proposed four-week learning strategy or study entirely at your own pace.

After the initial one-year access period expires, you may contact The Geotechnicals Team and request to be added to an available future round of the same course at no additional course-enrollment fee.

This arrangement may therefore be considered similar to lifetime access, provided that:

  • You contact The Geotechnicals Team when you wish to regain access

  • The course continues to be offered

  • A future course round is available

Renewed access is not activated automatically. Its timing may depend on the schedule and availability of future course rounds.


Q9. What if I am unable to complete the course within one year?

The initial one-year access period is intended to provide sufficient time to complete the course while encouraging participants to maintain steady progress.

However, we understand that project deadlines, site responsibilities, travel, changing workloads, family commitments, and other professional or personal circumstances may delay your studies.

If you are unable to complete the course within the initial one-year period, please contact The Geotechnicals Team at:

info@thegeotechnicals.com

We will add you to the next available round of the same course at no additional course-enrollment fee so that you can continue learning and complete the course at your own pace.

Please note that:

  • Renewed access is not automatic

  • You must contact The Geotechnicals Team to request it

  • Access will be renewed through an available future course round

  • Its timing may depend on the schedule and availability of future rounds

  • This arrangement applies only to the participant who originally registered for the course

English - Round (5): Module 3b - Lateral Pile Analysis with Two Software: LPile and RS Pile

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About Drip Course and The Course Instructor!

  • Must Read - Important Information About the Course
  • Frequently Asked Questions (FAQs)
  • Meet Your Instructor – Dr. Ahmed ElMouchi, PhD, PEng

Chapter (0) Course Content

  • 0- Course Content.mp4
  • Recommended Four-Week Learning Strategy!

Chapter (1) Introduction

  • 1.1- Applications of Laterally Loaded Piles .mp41
  • 1.2- What is the meaning of Lateral Pile Analysis and Design .mp4
  • 1.3- How Piles Resist Lateral Loads ULS .mp4

Chapter (2) Foundation Type Selection

  • 2.1- Deep Foundation Type Classification.mp4
  • 2.2- General Constructability Considerations .mp4
  • 2.3- Subsurface Condition Considerations.mp4
  • 2.4- Effect of Installation Method.mp4
  • 2.5- Effect of Nearby Structures or Public Perception.mp4

Chapter (3) Brom’s Method - ULS (Nominal Lateral Resistance)

  • 3.1- Introduction .mp4
  • 3.2- Cohesive Soils .mp4
  • Example (1) Brom’s Method – Short Pile – Cohesive Soils – Manual Calculations.mp4
  • Example (1) Brom’s Method – Short Pile – Cohesive Soils – RSPile Software.mp4
  • Example (1) Brom’s Method – Short Pile – Cohesive Soils – LPile Software.mp4
  • 3.3- Cohesionless Soils .mp4
  • Example (2) Brom’s Method – Short Pile – Cohesionless Soils – Manual Calculations.mp4
  • Example (2) Brom’s Method – Short Pile – Cohesionless Soils – RSPile Software.mp4
  • Example (2) Brom’s Method – Short Pile – Cohesionless Soils – LPile Software .mp4
  • 3.4- General Recommendations (Summary) .mp4

Chapter (4) Non-Linear Pile and p-y model

  • 4.1- Introduction .mp4
  • 4.2- Definition of p and y .mp4
  • 4.3- Fourth-Order Differential Equation .mp4
  • 4.4- How Does the p-y Method Work in Software.mp4
  • 4.5- Characteristics of p-y Curves.mp4
  • Example (3) p-y Curves – Cohesive Soil .mp4
  • Example (3) p-y Curves – Cohesive Soil - RSPile Software.mp4
  • Example (3) p-y Curves – Cohesive Soil - LPile Software.mp4
  • 4.6- Factors Affecting p-y Curves.mp4
  • 4.7- Limitations and Comments on the p-y method .mp42
  • 4.8- Summary of p-y Curves .mp4
  • Example (4) p-y Curves – Cohesionless Soil.mp4
  • Example (4) p-y Curves – Cohesionless Soil -RSPile Software.mp4
  • Example (4) p-y Curves – Cohesionless Soil -LPile Software.mp4

Chapter (5) Simplified Closed Form Solution

  • 5.1- Introduction.mp4
  • 5.2- Solution for Free-Head Pile.mp4
  • 5.3- Solution for Fixed-Head Pile.mp42

Chapter (6) Other Methods for Laterally Loaded Piles

  • 6.1- Pressuremeter Method (from CFEM) ULS and SLS.mp4
  • 6.2- Elastic Continuum Theory (Poulos and Davis 1980) SLS .mp4
  • 6.3- Horizontal Subgrade Reaction Approach SLS .mp4

Chapter (7) Pile Response to Lateral Loading

  • 7.1- Introduction .mp4
  • 7.2- Effect of Pile Installation.mp4
  • 7.3- Effect of Static Loading.mp4
  • 7.4- Effect of Repeated Cyclic Loading.mp4
  • 7.5- Effect of Sustained Loading (Long-term Effect).mp4
  • 7.6- Effect of Dynamic Loading.mp4

Chapter (8) Geotechnical Design Parameters for Lateral Pile Analysis

  • 8.1- Introduction .mp4
  • 8.2- Design Parameters for Cohesive Soils.mp4
  • 8.3- Design Parameters for Cohesionless Soils.mp4
  • 8.4- Design Parameters for Rock .mp4

Chapter (9) p-y Models for Clayey Soils

  • 9.1- Soft Clay Soil (Matlock, 1970).mp4
  • Example (5) Soft Clay Soil (Matlock, 1970).mp4
  • Example (5) Soft Clay Soil (Matlock, 1970) - LPile Software.mp42
  • Example (5) Soft Clay Soil (Matlock, 1970) - RSPile Software.mp4
  • 9.2- Soft Clay with User Defined J.mp4
  • 9.3- Stiff Clay With Free Water (Reese, et al., 1975).mp4
  • Example (6) Stiff Clay With Free Water (Reese, et al., 1975) .mp4
  • Example (6) Stiff Clay With Free Water (Reese, et al., 1975) -LPile Software.mp4
  • Example (6) Stiff Clay With Free Water (Reese, et al., 1975) -RSPile Software.mp4
  • 9.4- Stiff Clay Without Free Water (Welch & Reese, 1972 and 1975).mp4
  • Example (7) Stiff Clay Without Free Water (Welch & Reese, 1972).mp4
  • Example (7) Stiff Clay Without Free Water (Welch & Reese, 1972) - LPile Software.mp4
  • Example (7) Stiff Clay Without Free Water (Welch & Reese, 1972) - RSPile Software.mp4
  • 9.5- Modified Stiff Clay Without Free Water (Brown, 2002).mp4

Chapter (10) p-y Models for Sandy Soils

  • 10.1- Sand (Reese, et al., 1974).mp4
  • Example (8) Sand (Reese, et al., 1974) .mp4
  • Example (8) Sand (Reese, et al., 1974) - LPile Software.mp4
  • Example (8) Sand (Reese, et al., 1974) - RSPile Software.mp4
  • 10.2- API method for Sand (API RP 2A - 2010).mp4
  • Example (9) API method for Sand (API RP 2A-2010) .mp4
  • Example (9) API method for Sand (API RP 2A-2010) - LPile Software.mp4
  • Example (9) API method for Sand (API RP 2A-2010) - RSPile Software.mp4
  • 10.3- Liquified Sand (Rollins et al., 2005).mp4
  • 10.4- Hybrid Liquified Sand (Frank and Rollins, 2013 & Wang and Reese, 1998).mp4
  • Example (10) Liquified Sand + Liquified Sand Hybrid Model .mp4
  • Example (10) Liquified Sand + Liquified Sand Hybrid Model - LPile Software.mp4
  • Example (10) Liquified Sand + Liquified Sand Hybrid Model - RSPile Software.mp4
  • 10.5-Small Strain Sand - L-Pile Only - Hanssen (2015).mp4

Chapter (11) p-y Models for Silty Soils

  • 11.1- Silt (Cemented C – Phi Soil) (Reese et al. 1974).mp4
  • Example (11) Silt (Cemented C – Phi Soil) (Reese et al. 1974).mp4
  • Example (11) Silt (Cemented C – Phi Soil) (Reese et al. 1974) - LPile Software.mp4
  • Example (11) Silt (Cemented C – Phi Soil) (Reese et al. 1974) - RSPile Software.mp4
  • 11.2- Loess - Collapsible Silt (Johnson, et al., 2006).mp4

Chapter (12) p-y Models for Rock

  • 12.1- Introduction.mp4
  • 12.2- Strong Rock (Vuggy Limestone) (Reese & Nyman, 1997).mp4
  • Example (12) Strong Rock (Vuggy Limestone).mp4
  • Example (12) Strong Rock (Vuggy Limestone) - LPile Software.mp4
  • Example (12) Strong Rock (Vuggy Limestone) - RSPile Software.mp4
  • 12.3- Weak Rock (Reese & Nyman, 1997).mp4
  • Example (13) Weak Rock (Reese & Nyman, 1997) .mp4
  • Example (13) Weak Rock (Reese & Nyman, 1997) - LPile Software.mp4
  • Example (13) Weak Rock (Reese & Nyman, 1997) - RSPile Software.mp4
  • 12.4- Massive Rock (Liang, Yang, and Nusairat, 2009).mp4
  • Example (14) Massive Rock (Liang, Yang, and Nusairat, 2009) .mp4
  • Example (14) Massive Rock (Liang, Yang, and Nusairat, 2009) - LPile Software.mp4
  • Example (14) Massive Rock (Liang, Yang, and Nusairat, 2009) - RSPile Software.mp4

Chapter (13) Other p-y Models

  • 13.1-Piedmont Residual Soils (Simpson and Brown, 2003).mp4
  • 13.2- Elastic Model.mp4
  • 13.3- User Defined Model.mp4

Chapter (14) p-y curves for Layered Soils (Georgiadis Method)

  • 14- Georgiadis Method.mp4

Chapter (15) Factored Lateral Resistance

  • 15.1 – Limit State Design – North American Approach.mp4
  • 15.2 - CFEM 2023 and CHBDC (CSA S6-25).mp4
  • 15.3- AASHTO 2024.mp4

Chapter (16) Additional Design Consideration

  • 16.1- Free Head Vs. Fixed Head.mp4
  • Example (15) Free Vs Fixed Head .mp4
  • Example (15) Free Vs Fixed Head - LPile Software.mp4
  • Example (15) Free Vs Fixed Head - RSPile Software.mp4
  • 16.2- Point of Fixity (Critical Pile Length) – Driven Piles.mp4
  • Example (16) Fixity Depth.mp4
  • Example (16) Fixity Depth - LPile Software.mp4
  • Example (16) Fixity Depth - RS Pile Software.mp4
  • 16.3- Frost Depth (Loss of Contact).mp4
  • 16.4- Scour.mp4
  • Example (17) Scour Consideration .mp4
  • Example (17) Scour Consideration - LPile Software.mp4
  • Example (17) Scour Consideration - RSPile Software.mp4
  • 16.5- Effect of Sloping Ground Effect and Pile Batter.mp4
  • Example (18) Sloped Ground and Battered Pile.mp4
  • Example (18) Sloped Ground and Battered Pile - LPile Software.mp4
  • Example (18) Sloped Ground and Battered Pile - RSPile Software.mp4
  • 16.6- Analysis of Piles Loaded by Soil Movement (Ex. Lateral Spread).mp4
  • Example (19) Lateral Spread RS Pile (Example 12 LPile Manual).mp4
  • Example (19) Lateral Spread RS Pile (Example 12 LPile Manual) - LPile Software.mp4
  • Example (19) Lateral Spread RS Pile (Example 12 LPile Manual) - RSPile Software.mp4

Chapter (17) Lateral Analysis of Pile Group

  • 17.1- Introduction.mp4
  • 17.2- Load Distribution in a group and the p-Multiplier Concept.mp4
  • 17.3- Development of p-Multipliers.mp4
  • 17.4- AASHTO 2024 Method for Determining p-Multiplier.mp4
  • 17.5- CSA S6-19 Method for Determining p-Multiplier.mp4
  • Example (20) Single Pile in a Group .mp4
  • Example (20) Single Pile in a Group - LPile Software.mp4
  • Example (20) Single Pile in a Group - RS Pile Software.mp4

Chapter (18) Structural Geotechnical Design Cycle

  • 18.1 – The Structural-Geotechnical Design Cycle.mp4
  • 18.2 – Real-life Example.mp4
  • 18.3 – What if the Structural Engineers still want to get the Modulus of Subgrade Reaction in kN per m3.mp4

Course Assignment (Optional)

  • Course Optional Assignment - Lateral Piles Analysis.pdf