Slope Stabilization and Landslide Prevention
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Wednesday, October 12, 2022
8:30 am – 5:00 pm CDT
Curran E Mohney
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)
Buttressing for streambank stabilization and environmental considerations
Installing earth retention structures
Rock slope stabilization
Landslide Hazard and Risk Assessment
Definitions and elements of landslide hazard risk
Risk-reduction strategies (objectives for landslide mitigation)
Lifestyle cost analysis
Case Histories in Landslide Mitigation
Slope stabilization using retaining walls
Slope stabilization using combinations of methods
Slope stabilization using earthworks
• Shear keys and buttresses
Slope stabilization using drainage
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.
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7.5 HSW CE Hours
7.5 AIA LU|HSW
7.5 HSW CE Hours
7.5 LA CES HSW PDHs
International Code Council:
.75 CEUs (Sitework)
7.5 ASFPM CECs
Continuing Education Credit Information
This webinar is open to the public and is designed to qualify for 7.5 PDHs for professional engineers, 7.5 HSW continuing education hours for licensed architects, and 7.5 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 7.5 LU|HSW (Sponsor No. J885). Only full participation is reportable to the AIA/CES.
The Landscape Architecture Continuing Education System has approved this course for 7.5 HSW PDHs. Only full participation is reportable to the LA CES.
The International Code Council has approved this event for .75 CEUs in the specialty area of Sitework (Preferred Provider No. 1232).
This webinar has been approved by the Association of State Floodplain Managers for 7.5 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).
Curran E. Mohney
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.
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 (firstname.lastname@example.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: Slope Stabilization and Landslide Prevention
Delivery Method: Live Online
Course Description: This course examines the types and causes of slope movements and how slopes can be stabilized. It explores landslide hazards, risks, and mitigation strategies.
Learning Objective 1:
Learners will be able to identify types and causes of slope movement and instability.
Learning Objective 2:
Learners will be able to identify and describe conditions, soil and topography that tend to maintain slope stability, and they will be able discuss stability issues for natural slopes and engineered slopes.
Learning Objective 3:
Learners will be able to describe methods to sustain slope stability, including the use of vegetation, surface protection, unloading, buttressing, drainage, reinforcement, installation of earth retention structures, and combining methods.
Learning Objective 4:
Learners will be able to analyze landslide hazards and risks and describe risk-reduction/mitigation strategies.
LUs: 7.5 LU Type: LU|HSWs.
Prerequisites: Familiarity with site development and earthwork
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: 04/12/2024
Complaint Resolution Policy:
Complaints regarding this course can be emailed to email@example.com 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.