Retaining Wall Design and Slope Stabilization Techniques
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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.
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Streamable MP4/PDF
Available approximately 1 week after the date of the live event or the date of your order, whichever is later.
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USB MP4/PDF
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Please contact HalfMoon Education if you have any questions during the process of taking this course. (715) 835-5900 or qchapman@halfmoonseminars.org
Agenda
Webinar instructions will be emailed before the date of the webinar.
Please log into the webinar 15 – 30 minutes before start time.
Wednesday, September 15, 2021
8:30 am – 5:00 pm CDT
(incl. a 60-min break)
Presented by:
Mahsa Hedayati
Agenda
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
Soil design parameters
Lateral earth pressure
External stability
• Sliding
• Overturning
• Bearing capacity
• Settlement
• Scour
Internal stability
Global stability
Special considerations for tiered retaining walls
Backfill
Groundwater
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
Retaining Wall and Slope Stabilization Case Histories
Commercial, residential projects
Highway and institutional projects
Webinar Instructions
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 www.gotowebinar.com
Credits
Professional Engineers:
7.0 PDHs
Architects:
7.0 HSW CE Hours
AIA: (AIA credits only available for attending live Webinar)
7.0 LU|HSW
Landscape Architects:
7.0 HSW CE Hours
LA CES: (LA CES credits only available for attending live Webinar)
7.0 HSW PDHs
Floodplain Managers:
7.0 ASFPM CECs
International Code Council:
.7 CEUs (Sitework
Continuing Education Credit Information
Retaining Wall Design and Slope Stabilization Techniques
This webinar offers 7.0 PDHs to professional engineers and 7.0 HSW continuing
education hours to architects licensed in all states. It offers 7.0 HSW continuing education
hours to landscape architects in all states, except Florida, New Jersey and North Carolina.
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 architects and
landscape architects via its registration with the American Institute of Architects
Continuing Education System (Regulations of the Commissioner §69.6(i)(2), and §79-1.5(i)
(2)). Other states do not preapprove continuing education providers or courses.
This course has been approved by the American Institute of Architects Continuing
Education System for 7.0 LU|HSW (Sponsor No. J885) and the Landscape Architecture
Continuing Education System for 7.0 HSW PDHs. Only full participation is reportable to
the AIA/CES and LA CES.
The Association of State Floodplain Managers has approved this course for 7.0 CECs for
certified floodplain managers.
The International Code Council has approved this event for .65 CEUs in the specialty area
of Sitework (Preferred Provider No. 1232).
Completion certificates will be awarded to participants who complete this event, respond
to all prompts, and earn a passing score (80%) on the quiz that follows the presentation
(multiple attempts allowed).
Speakers
Mahsa Hedayati Ph.D P.E.
Senior Geotechnical Engineer, Freese and Nichols, Inc.
Dr. Hedayati is a senior geotechnical engineer at Freese and Nichols, Inc and an adjunct faculty at the University of Texas at Arlington. Her experience with geotechnical engineering includes subsurface investigations, foundation analysis and design, slope stability and seepage analysis, numerical modeling, dam rehabilitation and redesign, levees, floodwalls and drainage structures design. As an adjunct faculty, she teaches courses on computational geotechnics and the geotechnical aspects of landfill design. Dr. Hedayati earned her B.Sc. degree in Civil Engineering from Amirkabir University of Technology (Tehran Polytechnic) and her M.Sc. degree from Tehran University, where she focused on polluted soils and decontamination methods. She earned her Ph.D. degree in Geotechnical Engineering from the University of Texas at Arlington.
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 (cesupport@aia.org 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 7.0 hour live lecture presentation covers the types of retaining walls and their applications, retaining wall design based on soil parameters, loads and other site conditions, and slope stabilization strategies.
Learning Objectives:
Learning Objective 1:
Learners will be able to differentiate the types of forces that act on retaining walls.
Learning Objective 2:
Learners will be able to describe methods to achieve slope stability, including regrading, slope reinforcement/pinning, ground improvement, retaining structures, and excavation and replacement.
Learning Objective 3:
Learners will be able to identify and explain the features and applications of various types of retaining walls.
Learning Objective 4:
Learners will be able to describe the factors that must be considered when designing a retaining wall, including soil design parameters, lateral earth pressure, bearing capacity, settlement, groundwater, and backfill.
LUs: 7.0 LU Type: LU|HSWs.
Prerequisites: Experience with site evaluations and earthwork
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: 03/01/2022
Complaint Resolution Policy:
Complaints regarding this course can be emailed to doug@halfmoonseminars.org 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.