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Slope Stabilization and Landslide Prevention

Presenter: Curran E. Mohney, RG, CEG

Seminar Date:

Seminar Location: Springfield, OR

Hilton Garden Inn Eugene/Springfield
3528 Gateway Street
Springfield, OR 97477
Phone: 541-736-3000

This seminar is closed or full.


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 - 4:30 pm

Slope Movement and Mechanisms

   Types of slope movement and instability
      • Rock-fall and rockslides
      • Translational and rotational failures
      • Debris flows and rapidly moving landslides
   Analyzing the stability of slopes
   Slope stability concepts
      • Reviewing geologic conditions
      • Examining soils and topography
      • Evaluating surface and groundwater conditions
   A brief discussion of soil and rock mechanics
      • The influence of water
   Evaluating types of slopes
      • Natural slopes
      • Engineered slopes
   Methods of slope stability analysis

Slope Stabilization Methods

   Use of vegetation (bioengineering)
   Surface protection
   Installing earth retention structures
   Rock slope stabilization

Preserving Streambeds, Shorelines and Drainage Channels

   Streambank stabilization
   Shoreline protection
   Stormwater management and drainage

Reviewing Slope Stabilization Case Studies

   Examples of slope stabilization using retaining walls
   Examples of slope stabilization using geosynthetics
   Examples of slope stabilization using combinations of methods
   Examples of rockfall mitigation
   Examples of slope stabilization using earthworks
      • Shear keys and buttresses
      • Unloading
   Examples of slope stabilization using drainage

Credit Information:

Who Should Attend

  • Architects
  • Engineers
  • Contractors
  • Landscape Architects
  • Floodplain Managers

     6.5 HSW CE Hours
     6.5 AIA HSW Learning Units

Landscape Architects
     6.5 HSW Contact Hours
     6.5 LA CES HSW PDHs

Professional Engineers
     6.5 PDHs

Certified Floodplain Managers
     6.5 ASFPM CECs

     6.5 Commercial CE Hours

Continuing Education Credit Information

This seminar is open to the public and offers 6.5 continuing education/contact hours to architects (HSW), landscape architects (HSW), and professional engineers in all states. Educators and courses are not subject to preapproval in Oregon.

This seminar is approved by the American Institute of Architects for 6.5 HSW Learning Units (Sponsor No. J885) and the Landscape Architecture Continuing Education System for 6.5 HSW PDHs.

HalfMoon Education is an approved continuing education sponsor for architects in Florida and is deemed an approved 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 seminar for 6.5 CECs for certified floodplain managers.

This seminar offers 6.5 continuing education hours to Oregon commercial contractors. Courses and course providers are not subject to preapproval in Oregon.

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.


Curran E. Mohney, RG, CEG

Engineering Geologist
Mr. Mohney is the Engineering Geology Program leader for the Oregon Department of Transportation (ODOT). The Engineering Geology Program at ODOT encompasses site characterization, subsurface exploration, slopes and embankments, geologic hazards, groundwater, geotechnical instrumentation, and planning and research activities. In this role, he also oversees the Unstable Slopes (landslide/rockfall) Program for ODOT. He is a registered geologist and a certified engineering geologist in Oregon with over 25 years of experience in Oregon and the western states. Mr. Mohney has been the Engineering Geology Program leader since 2004. Prior to this, he had been a staff and project-level geologist for consulting firms and the mining industry as well as for ODOT. He is a graduate of the Geology Program at Portland State University. During his professional career, Mr. Mohney has been involved in the investigation, design, and mitigation of hundreds of landslides and rockfalls.

Tuition Costs:

Standard Tuition: $279.00
Online Tuition (pre-registration): $279.00
Group Prices
3 or more People: $259.00

Each registration includes one copy of a manual prepared by the seminar speakers.