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INSTRUCTOR:
Praveen K. Malhotra, Ph.D., P.E., M.ASCE
Purpose and Background
This course provides a comprehensive overview of site-specific seismic ground motions with a focus on their application in the design of buildings and other structures, as governed by ASCE 7-16 and anticipated updates in ASCE 7-22. Participants will explore the theory and practical use of response spectra, including deformation, pseudo-acceleration, and pseudo-velocity spectra, and their significance in structural design. The instructor explains the general procedure as well as site-specific analysis methods, such as ground motion hazard and site response analyses. Key concepts include understanding the seismic input from USGS, the importance of soil conditions (VS30), and how to translate seismic data into design spectra. Emphasis is placed on the shift from general procedures to multi-period response spectra, especially for sites with soft or strongly shaken soils.
Benefits and Learning Outcomes
Upon completion of this course, you will be able to:
- Explain the basis of current seismic design requirements in ASCE 7-16 and upcoming changes in ASCE 7-22.
- Describe the ASCE 7-16 requirements for site-specific seismic ground motions.
- Identify common mistakes to avoid when generating site-specific ground motions.
- Discuss how to obtain clarifications regarding design ground motions.
- List key resources available from USGS, ASCE, and ATC for seismic design and analysis.
Assessment of Learning Outcomes
Students' achievement of the learning outcomes will be assessed via a short post-assessment (true-false, multiple choice and fill in the blank questions).
Who Should Attend?
Geotechnical engineers, structural engineers, architects, seismologists, geologists, building officials, insurers, regulators, students, educators
Outline
- Response spectrum of ground motion
- Design response spectrum from General Procedure (GP)
- Adding displacement-sensitive region to design response spectrum
- Vertical response spectrum
- Site-Specific response spectrum from Ground Motion Hazard Analysis (GMHA)
- Site-Specific response spectrum from Site Response Analysis (SRA)
- Outcrop response spectrum
- Outcrop ground motion histories
- Dynamic analysis of soil profiles
- Spectral amplifications
- Response spectrum of free-surface motion
- PGAM for liquefaction analysis
- MCER response spectrum from ASCE 7-22
- USGS Geohazards database
How to Earn your CEUs/PDHs
This course is worth .4 CEUs /4 PDHs. To receive your certificate of completion, you will need to complete a short on-line post-test and receive a passing score of 70% or higher within 365 days of the course purchase.
How do I convert CEUs to PDHs?
1.0 CEU = 10 PDHs [Example: 0.1 CEU = 1 PDH]