Webinar instructions will be emailed before the date of the webinar.

Please log into the webinar 15 – 30 minutes before start time.

Monday, January 30, 2023 
8:30 am – 4:30 pm CST (including a 60-min. break)


Presented by
Rajendra Meruva, PE

Types of Retaining Walls
Traditional cantilevered retaining walls
•Reinforced concrete walls
•Reinforced concrete masonry walls
•Soldier pile and lagging walls
Traditional timber walls
Traditional gravity walls
Reinforced soil retaining walls
Anchored retaining walls (tie-backs, soil nailing, etc.)
Temporary retaining walls
Over-steepened reinforced slopes
Gabion walls
Crib walls
Private-sector vs. highway retaining wall systems
Cost of retaining walls

Retaining Wall Design – Part I
Soil design parameters
Lateral earth pressure
External stability
• Sliding
• Overturning
• Bearing capacity
• Settlement
• Scour

Retaining Wall Design – Part II
Internal stability
Global stability
Special considerations for tiered retaining walls
Service life
Design software

Slope Stabilization
Science of slope stability
Surficial vs. deep-seated slope stability
Long term vs. short term stability
Slope stabilization techniques
• Regrading
• Excavation and replacement
• Slope reinforcement/pinning
• Ground improvement
• Toe retaining walls


Webinar Instructions
Each webinar session earns continuing education credit and can be registered for individually. All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion can be downloaded in PDF form upon passing a short quiz. A link to the quiz will be sent to each qualifying attendee immediately after the webinar. The certificate can be downloaded from the Results page of the quiz upon scoring 80% or higher.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements:
Windows 7 – 10 or Mac OSX Mavericks (10.9) – macOS Catalina (10.15)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection: Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information, visit the Support section at


Professional Engineers:
6.5 PDHs

6.5 HSW CE Hours

Landscape Architects:
6.5 HSW CE Hours

International Code Council:
.65 CEUs (Sitework)

Floodplain Managers:


Continuing Education Credit Information
This webinar is open to the public and is designed to qualify for 6.5 PDHs for professional engineers, 6.5 HSW continuing education hours for licensed architects, and 6.5 HSW continuing education hours for landscape architects in all states that allow this learning method. Please refer to specific state rules to determine eligibility.

HalfMoon Education is an approved continuing education sponsor for engineers in Florida (Provider No. 0004647), Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700) and North Carolina (S-0130). HalfMoon Education is deemed an approved continuing education sponsor for New York engineers and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2) and §69.6(i)(2)). Other states do not preapprove continuing education providers or courses.

The American Institute of Architects Continuing Education System has approved this course for 6.5 LU|HSWs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.

The Landscape Architecture Continuing Education System has approved this course for 6.5 HSW PDHs. Only full participation is reportable to the LA CES.

The International Code Council has approved this event for .65 CEUs in the specialty area of Sitework (Preferred Provider No. 1232).

This webinar has been approved by the Association of State Floodplain Managers for 6.5 CECs for floodplain managers.

Attendance will be monitored, and attendance certificates will be available after the webinar for those who attend the entire course and score a minimum 80% on the quiz that follows the course (multiple attempts allowed).


Rajendra Meruva PE

Rajendra Meruva, PE Delek Logistics
Mr. Meruva is a geotechnical engineer with 22 years of experience. He is a professional engineer (PE) in Texas, New Mexico, South Carolina, Louisiana, and Tennessee. Mr. Meruva has worked on a variety of projects, including nuclear facilities, wind turbines, bridges, hospitals, parking garages, highrise buildings, refineries, gas plants, schools, dams, landfills, and hydraulic fracking pits, and he has worked in the oil and gas industry. In his current role with Delek, he serves as a lead civil engineer providing civil/geotechnical/structural support on oil and gas midstream facilities. He also provides training to junior and entry-level staff. Mr. Meruva earned his M.S. degree in Geotechnical Engineering from the University of Houston in Houston, Texas.

AIA Info

AIA Provider Statement:

HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES ( or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: Retaining Wall Design and Slope Stabilization Techniques

Delivery Method: Live Online

Course Description: This 6.5-hour course reviews various types of retaining walls and their applications, discusses retaining wall design considerations and components, provides an analysis of retaining wall stability and lateral earth pressure, and demonstrates how to assess and increase slope stability.

Learning Objectives:

Learning Objective 1:
Learners will be able to identify different types of retaining walls, including traditional cantilevered walls, timber walls, gravity walls, anchored retaining walls, gabion walls, crib walls, reinforced soil walls and more.

Learning Objective 2:
Learners will be able to analyze the stability of retaining walls, including external stability, internal stability and global stability.

Learning Objective 3:
Learners will be able to review the design components and considerations of retaining walls, including soil design parameters, lateral earth pressure, backfill, groundwater and service life.

Learning Objective 4:
Learners will be able to discuss the science of slope stability, differentiate between superficial and deep-seated stability, and identify stabilization techniques.

LUs: 6.5                                                                                              LU Type: LU|HSWs.

Prerequisites: Experience with earthwork and site analysis

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 11/29/2025

Complaint Resolution Policy:

Complaints regarding this course can be emailed to or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.

USB MP4/PDF Price: $329.00


Before undertaking any on-demand effort, you should review the rules of your licensing/certifying entity. It’s your responsibility to determine whether or not this on-demand course meets your continuing education requirements.

You must take and pass a quiz in order to receive credit. You can take the quiz as many times as needed and there is no time limit on the quiz. Once the quiz is completed, you will be asked to download your certificate.

Videos that qualify for AIA, LACES, ASLA, or CLARB credit will require an extra week for processing.

Streamable MP4/PDF

Available approximately 1 week after the date of the live event or the date of your order, whichever is later.

To track your purchase you will need to create an account on the website using the email address used for your registration.

The video will have occasional question prompts that will not allow the video to progress unless they are answered. You will not be able to skip forward while watching the video.

If you attempt to resume watching the video on a separate device, your progress will not be saved.

Click the link which appears at the end of the video to be taken to the course quiz.


HalfMoon will mail these materials via USPS. Please allow 2 weeks from the date of purchase to receive your product. If the live seminar is in the future, please allow 5 weeks from the date of the live seminar.

The link to the quiz will be available in a PDF in your USB drive marked QUIZ.

HalfMoon will contact you and issue a full refund if the product you ordered is not available. However, refunds will not be issued if completion certificates are requested.

Please contact HalfMoon Education if you have any questions during the process of taking this course. (715) 835-5900 or