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 – 12:15 pm
Lunch (On your own): 12:15 – 1:15 pm
Afternoon Session: 1:15 – 5:00 pm
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
Various commercial, residential projects
Various highway and institutional projects
Credits
California Engineers
Non-Credit Continuing Ed.
Architects &
Landscape Architects
7.0 AIA HSW Learning Units
7.0 LA/CES HSW PDHs
Floodplain Managers
7.0 ASFPM CECs
Contractors
Non-Credit Continuing Ed.
Continuing Education Credit Information
This seminar is open to the public and offers 7.0 non-credit continuing education hours to California professional engineers and architects. It will qualify for required continuing education credit in all other states, except Florida architects.
HalfMoon Education is an approved continuing education sponsor for engineers in Florida, Indiana, Maryland, New Jersey (Approval No. 24GP00000700), New York (NYSED Sponsor No. 35), North Carolina, and North Dakota. HalfMoon Education is deemed an approved continuing education provider for New York architects. Other states do not preapprove educators or courses.
The American Institute of Architects has approved this seminar for 7.0 HSW Learning Units (Sponsor No. J885). The subject matter of this seminar does not qualify for California architect continuing education credit.
This course offers a non-credit continuing education opportunity to California landscape architects. It has been approved by the Landscape Architecture Continuing Education System for 7.0 HSW PDHs.
The Association of State Floodplain Managers has approved this event for 7.0 CECs.
This course offers a non-credit continuing education opportunity to construction contractors. It has not been approved in any state with a mandatory continuing education.
Attendance will be monitored and reported, as required. 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
Binod Tiwari
California State University, FullertonCalifornia State University, Fullerton
Dr. Tiwari is a professor in the Civil and Environmental Engineering Department of California State University, Fullerton. He earned his Ph.D. degree in Geotechnical Engineering in 2003 and is expert in the fields of slope stability and stabilization, landslide mitigation, applied GIS, soil behavior and characterization, and geotechnical earthquake engineering. Dr. Tiwari is a member of various technical committees for ASCE and the International Society for Soil Mechanics and Geotechnical Engineering, and he is editor as well as reviewer for various international journals. He was post-doc at Niigata University, Japan, and at Virginia Tech for more than three years prior to joining CSUF in the fall of 2006. Dr. Tiwari is a licensed professional engineer in the state of California and has more than 20 years experience in design and implementation of projects pertinent to slope stability and stabilization.