Retaining Wall Design and Slope Stabilization Techniques
DISCLAIMER
Before purchasing, review the rules of your licensing or certifying entity. It is your responsibility to confirm this course meets your CE requirements. See the credit tab on the course page for details.
What’s Included: Full webinar recording, written course materials, expert instruction, a mandatory quiz, and a certificate upon completion.
Deliverability Timeline: All courses are generally available within 1-2 weeks after the live presentation.
CE Credits: AIA and/or LA/CES accreditation is available by request for courses recorded prior to March 11, 2026. All courses after that date include those accreditations by default, if applicable. With these accreditations, our courses qualify for credit in nearly all states for engineers, surveyors, architects, and landscape architects.
Learn more about the on-demand format in our FAQ or contact us at (715) 835-5900 or customerservice@halfmoonseminars.org
Agenda
Registration: 8:00 – 8:30 am
Morning Session: 8:30 am – 12:30 pm
Lunch (On your own): 12:30 – 1:30 pm
Afternoon Session: 1:30 – 5:00 pm
Retaining Walls: What They Do and How They Do It
Identifying and quantifying forces acting on retaining walls
– Weight of the wall
– Pressure from retained soil
– Pressure on foundation of wall
– Characteristics of soil
– Loads on retained soil-Impacts of water – liquid and frozen
– Vibration
– Expansion/contraction
Equations and examples
Geosynthetics and Retaining Walls, Embankments and Slopes
Calculations and software
Types of retaining walls
Embankments
Slopes
Materials
Alternatives
Exercise
– Learn to visually identify geosynthetics as to type, method of manufacture,
relative strength, relative permeability, and relative cost
Slope Stabilization Techniques
Examining slope failures
Slope stability analysis
Stabilization techniques
– Unloading
– Drainage
– Reinforcement
– Mechanical stabilization
Slope Stabilization Case Histories
Fundamental soil characteristics and slope instability
Engineering mechanics underlying slope instability
Geologic conditions and construction practices
Field observations to distinguish types of instability
Construction practices to improve or restore stability
Retaining Wall/Slope Failures and Fixes
How to prevent a potential problem or failure
How to recognize a potential problem or failure in the field
Typical causes of problems or failures with geotechnical structures
Case studies/examples of failures and repairs
Credits
Professional Engineers
7.0 CPD Hours/PDHs
Architects
7.0 HSW Continuing Ed. Hours
7.0 AIA HSW Learning Units
Landscape Architects
7.0 HSW Contact Hours
7.0 LA CES HSW PDHs
Floodplain Managers
7.0 ASFPM CECs
Construction Contractors
Non-Credit Continuing Ed.
Continuing Education Credit Information
This live lecture presentation is open to the public and offers 7.0 continuing education hours/PDHs to professional engineers and 7.0 HSW continuing education hours to architects in all states, except Florida architects. This course offers 7.0 HSW contact hours to Ohio landscape architects. Educators and courses are not subject to preapproval in Ohio.
This seminar is approved by the American Institute of Architects for 7.0 HSW Learning Units (Sponsor No. J885) and the Landscape Architecture Continuing Education System for 7.0 HSW PDHs. Only full attendance can be reported to the AIA/CES and LA/CES.
HalfMoon Education is deemed an approved continuing education sponsor for architects and landscape architects in New York. HalfMoon Education is an approved continuing education sponsor for engineers in Florida, Indiana, Louisiana, Maryland, New Jersey (Approval No. 24GP00000700), New York (NYSED Sponsor No. 35), North Carolina, and North Dakota.
The Association of State Floodplain Managers has approved this activity for 7.0 CECs.
This course offers a continuing education opportunity to construction contractors. It has not been approved by any state contractor licensing board.
Attendance will be monitored, and attendance certificates will be available after the seminar for most individuals who complete the entire event. Attendance certificates not available at the seminar will be mailed to participants within fifteen business days.
Speakers
Yazen Khasawneh
NTH Consultants, Ltd.Principal Engineer at NTH Consultants, Ltd.Dr. Khasawneh is a principal engineer with NTH Consultants in Northville, Michigan. He has over 15 years of industrial experience in the US and overseas, working on projects in North and South America, Africa and Asia. Dr. Khasawneh’s areas of expertise include geotechnical engineering, geostructural engineering, instrumentation, soil and rock dynamics, numerical simulations (finite difference, finite element, and distinct element), forensic engineering, and construction vibrations. Dr. Khasawneh is active in industry, academia, and applied research. He has conducted seminars on soil-structure interaction, numerical simulations, and seismic site response. Dr. Khasawneh is co-advising Ph.D. students working on thermal piles and response of underground structures to seismic loading. Dr. Khasawneh received his Ph.D., M.S., and Bachelor degrees in Civil Engineering from Purdue University, University of Illinois at Urbana-Champaign, and Jordan University of Science and Technology, respectively. He is a registered professional engineer in the state of Michigan. Dr. Khasawneh is a member of the American Society of Civil Engineers (ASCE), the Geo-Institute (GI), and the Deep Foundation Institute (DFI). He is currently a member of technical committees on soil properties and modeling (GI), computational geotechnics (GI), seismic & lateral loads (DFI), and thermal foundations (DFI).