Soil-Structure Interaction (SSI)
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Webinar instructions will be emailed before the date of the webinar.
Please log into the webinar 15 – 30 minutes before start time.
Tuesday, July 25, 2023
9:00 am – 4:00 pm CDT (including a 30-min. break)
Introduction and Importance of SSI
- Types of SSI modeling
- Understanding and Implementing SSI
- Site shear wave velocity and fundamental period of structure
Base Slab Averaging (BSA) and Embedment Effects
- Effective foundation size
- When to apply BSA
- How to calculate embedment depth
- Limitations and Issues
Foundation and Soil Flexibility, and Period Lengthening
- Soil properties for flexibility calculations
- Vertical and rotational springs
- Horizontal springs
- Bounding analysis
- Fixed-base and flexible-base conditions
- Effective damping ratio
- Soil damping
- Radiation damping
- Limitations and Issues
- Comparison of different models
- Models for buildings on relatively level grade
- Models for buildings on sloping ground
Conclusions and Recommendations
- Helpful resources
- Comparison of current provisions
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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6.0 HSW CE Hours
International Code Council:
.6 CEUs (Building)
Continuing Education Credit Information
This webinar is open to the public and is designed to qualify for 6.0 PDHs for professional engineers and 6.0 HSW continuing education hours for licensed 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 6.0 LU|HSW (Sponsor No. J885). Only full participation is reportable to the AIA/CES.
The International Code Council has approved this event for .6 CEUs in the specialty area of Building (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).
The preceding credit information only applies to the live presentation. This course in an on-demand format may not be eligible for the same credits as the live presentation; please consult your licensing board(s) to ensure that a structured, asynchronous learning format is appropriate. The following pre-approvals may be available for the on-demand format upon request:
6.0 HSW LUs (AIA)
Jorge F. Meneses, Ph.D. P.E. G.E. D.GE. F.ASCEPrincipal Geotechnical Engineer at RMA Group, Inc.
Dr. Jorge Meneses is principal geotechnical engineer with RMA Group. He was a member of the California Seismic Safety Commission appointed by Governor Brown and confirmed by State Senate (2017-2021). He is a reviewer of seismic ground motions for the seismic design of high rise buildings for the City of San Diego, part-time faculty at San Diego State University, Fellow of the American Society of Civil Engineers (ASCE), member of the Industry Advisory Board of the Department of Structural Engineering at University of California San Diego, member of the Board of Directors of the Earthquake Engineering Research Institute (EERI), President of the EERI San Diego Chapter, past member of the ASCE 7-16 Committee (Minimum Design Loads for Buildings and Other Structures); member of the ASCE 1 Committee (Geotechnical Analysis, Design, Construction, Inspection and Monitoring of Nuclear Safety-Related Structures); Honorary chair of the ASCE Geo-Institute San Diego Chapter; and member of the Academy of Geo-Professionals.
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: Soil-Structure Interaction (SSI)
Delivery Method: Live Online
Course Description: This six-hour course explains the principles and importance of soil-structure interaction (SSI), how to use base slab averaging, how to calculate embedment depths, the concepts of soil flexibility and foundation damping, and basement design for structures on level ground and on sloping ground.
Learning Objective 1:
Learners will be able to utilize base slab averaging (BSA) as a method of constructing a level and flat concrete slab, determine when its application is necessary, and calculate embedment depths.
Learning Objective 2:
Learners will be able to review soil properties for flexibility calculations and discuss the soil compressibility modeling concept of vertical, horizontal and rotational springs.
Learning Objective 3:
Learners will be able to achieve effective foundation damping through an understanding of the requirements, damping ratio, soil damping, radiation damping, and related limitations and issues.
Learning Objective 4:
Learners will be able to review and compare different types and models of basements for buildings on sloping ground and for buildings on relatively level ground.
LUs: 6.0 LU Type: LU|HSWs.
Prerequisites: Experience with foundation design
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: 05/19/2026
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.