Seismic Assessment of Slopes
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Thursday, December 15, 2022
9:00 – 11:00 am CST
Seda Gokyer Erbis, Ph.D.
Mechanics of slope movements under dynamic force
Modeling of seismic loading
• Earthquake time histories as input seismic loading
• Input time history selection
Types of analysis for seismic stability of slopes
• Limit equilibrium analysis
– Concept of pseudo-static load case
– Concept of sliding block analysis
– Concept of post-earthquake load case
• Finite element analysis
– Soil constitutive models for liquefaction or cyclic softening
Soil parameter selection for different types of analysis
• Limit equilibrium analysis
• Finite element analysis
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2.0 HSW CE Hours
2.0 AIA LU|HSW
2.0 HSW CE Hours
2.0 LA CES HSW PDHs
International Code Council:
.2 CEUs (Sitework)
Continuing Education Credit Information
This webinar is open to the public and is designed to qualify for 2.0 PDHs for professional engineers, 2.0 HSW continuing education hours for licensed architects, and 2.0 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 2.0 LU|HSWs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.
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The International Code Council has approved this event for .2 CEUs in the specialty area of Sitework (Preferred Provider No. 1232).
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).
Seda Gokyer Erbis Ph.D.
Project Manager at Geocomp Consulting
Dr. Gokyer Erbis is a geotechnical engineer with 10 years of experience in research, development, and consulting in geotechnical earthquake engineering. She has been leading the technical efforts for one of Geocomp’s largest consulting projects on seismic assessment of coal ash impoundments. She has worked on various research and consulting projects that involved advanced field and laboratory testing for soil characterization. These projects include undrained behavior of coal combustion residuals, soil liquefaction and post-liquefaction behavior under different test conditions: cyclic triaxial, unidirectional and bidirectional direct simple shear, inducing partial saturation for liquefaction mitigation. She also has background in seismic instrumentation and numerical modeling. She has experience in using software tools to assess slope stability (GeoStudio), to conduct site response analysis (ProShake, DeepSoil), to analyze soil structure interaction (PYWall, Group), to model flow and transport in saturated/unsaturated porous media (SUTRA). She has authored and co-authored several publications in peer reviewed ASCE and ASTM journals and conference proceedings.
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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: Seismic Assessment of Slopes
Delivery Method: Live Online
Course Description: This two-hour course for design professionals explains the mechanics of slope movements under dynamic forces, modeling of seismic loading, types of analyses for seismic stability of slopes, soil parameter selection, and reviews relevant case studies to assist design professionals in the seismic assessment of slopes.
Learning Objective 1:
Learners will be able to discuss the mechanics of slope movements under dynamic force and the modeling of seismic loading.
Learning Objective 2:
Learners will be able to identify and differentiate between the types of analyses for seismic stability of slopes: limit equilibrium analysis and finite element analysis.
Learning Objective 3:
Learners will be able to review the concepts of pseudo-static load case, sliding block analysis, and post-earthquake load case.
Learning Objective 4:
Learners will be able to understand the soil parameter selection for the different types of analyses and review relevant case studies.
LUs: 2.0 LU Type: LU|HSWs.
Prerequisites: Familiarity with soil mechanics
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: 10/05/2025
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Complaints regarding this course can be emailed to firstname.lastname@example.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.