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COSMOS Technical Sessions


2016 COSMOS Technical Session

Moving Toward Site-Specific Ground-Motion Hazard

November 18, 2016
8:30 AM—6:00 PM
Crowne Plaza Hotel San Francisco Airport
Burlingame, California

The Consortium of Organizations for Strong-Motion Observation Systems (COSMOS) held its Annual Meeting and Technical Session at the Crowne Plaza Hotel San Francisco Airport located in Burlingame, California, on Friday, November 18th. This year's Technical Session was again co-sponsored by the Pacific Earthquake Engineering Center, the California Geological Survey, and the Applied Technology Council. Additional sponsorship was provided by the California Geological Survey, Lettis, C.I., Sage Engineers, Hart Crowser, R. E. Bachman Consulting S. E., and Fugro Consultants, Inc.. The program and most powerpoint presentations are available below:

Schedule Title
7:30 am Registration and Continental Breakfast (sponsored by Lettis, C.I.)
8:30 am Welcome and Overview of Day
B. Bachman and C. Goulet
COSMOS/CGS/USGS Joint Activities and Updates
8:40 am COSMOS Site Characterization Guidelines
A. Yong
9:00 am New COSMOS CESMD/VDC Website Tools
Hamid Haddadi
9:15 am USGS National Strong Motion Project Strategic Plan 2017-2022
Brad Aagaard
New Datasets
9:30 am New Datasets: South America
Rubén Boroschek
9:55 am New Datasets: PEER NGA-Sub Subset
Silvia Mazzoni
10:30 pm Break
Building Code Topics
10:35 am New ASCE 7-16 Requirements and Limitations for Site-Specific Design Ground Motions

Seismic Factor Study
C. Kircher
11:05 am
R. Hamburger
Improving Tools for Seismic Hazard Analyses
11:30 am
C. Hale
12:00 pm Lunch (sponsored by Hart Crowser)
Towards Site-Specific PSHA
1:00 pm PEER Directivity Panel: Introduction and Motivation
Directivity Models and Recommendations for Hazard Analysis with Directivity
Y. Bozorgnia
J. Donahue
2:00 pm Integrating Ground-Motion Recordings into Site-Specific Amplification Functions
K. Afshari
2:40 pm
C. Goulet
2:55 pm
Use of 3D Simulations: USGS Urban Hazard Working Group
M. Moschetti
3:15 pm Break (sponsored by R. E. Bachman Consulting S. E.)
3:30 pm Trade-offs Between Aleatory Variability and Epistemic Uncertainty
N. Gregor
4:00 pm Panel Discussion
4:50 pm Concluding Remarks
5:00 pm Adjourn for Cocktail Hour (No Host)

Past Technical Sessions

Developing Site-Specific Ground Motions to Satisfy the Proposed New Chapter 16 of ASCE 7-2016, which Codifies the West Coast Tall Building Seismic Analysis Requirements
Simulated Design Ground Motions: Are We Ready to Use Them? and Developing Site Specific Risk-Targeted Design Ground Motions that Satisfy 2012 IBC/2013 CBC Requirements
Issues Associated with Adjusting SGA-based GMPEs for Directivity and Fling, and Short-term Impacts of Serious Aftershocks on Building Code Ground Motions
Ground Motions from Subduction Earthquakes and Issues for Seismic Design
Issues Associated with Applying Conditional Mean Spectra to the Selection and Scaling of Design Ground Motions
Practical Application of the New ASCE 7-10 Required Procedures for Determining Site Specific Ground Motions
Selection and Scaling of Ground Motions for Site Response Analysis and Geotechnical Evaluations
Recommendations for Selection and Scaling of Ground Motions for Building Code and Current Performance-Based Earthquake Engineering (PBEE) - Applications and an Evaluation of Selection and Scaling Procedures Proposed for the Next Generation of PBEE
An Evaluation of Methods for the Selection and Modification of Ground Motion Time Histories for Building Code and Performance based Earthquake Engineering Applications
Recommendations for the Selection and Scaling of Ground Motion Time Histories for Building Code Applications

COSMOS is a non-profit organization whose goal is to expand and significantly modernize the acquisition and application of strong-motion data in order to increase public safety from earthquakes.

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