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COSMOS Technical Sessions

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2015 COSMOS Technical Session

Current Ground Motion Design Value Maps—Issues and Proposed Solutions

November 13, 2015
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 13th. This year's Technical Session was again co-sponsored by the Pacific Earthquake Engineering Center and the California Geological Survey. The program and most powerpoint presentations are available below:

Schedule Title
Authors
7:30 am Registration and Continental Breakfast
8:30 am Welcome and Overview of Day
B. Bachman/Norm Abrahamson
PEER DGML Update and theh New QuakeManager Tool
8:45 am PEER—New NGA East Ground Motions and Database
S. Mazzoni
9:10 am QuakeManager: A New Tool for Ground-Motion Selection and Modification
M. Hachem
Update on the COSMOS/USGS/CGS Activities
9:35 am Update on COSMOS International Activities
J. Steidl
9:50 am Update on the COSMOS Standards Development
A. Shakal
New COSMOS-Funded Tools to be used wit hthe CESMD/VDC Website
H. Haddadi
10:10 am Update on the COSMOS Standards Development
A. Shakal
10:20 am Break
Use of Numerical Simulation to Develop Ground-Motion Design values Maps for the Los Angeles Basin Region
10:45 am Developing Simulated MCE Ground Motions for the Los Angeles Basin: Part 1: Cybershake
R. Graves
11:15 am Developing Simulated MCE Ground Motions for the Los Angeles Basin: Part 2: Results to Date and Plans to Introduce an Amendment to the 2019 City of Los Angeles Building Code
C.B. Crouse
11:45 pm Lunch
12:45 pm The New Requirements of ASCE 7-16 for Site-Specific Ground Motions (Interim Solution to an Identified Short-Coming in the Seismic Design Procedures of ASCE 7-10)
C. Kircher
1:15 pm Procedures for Determining Site-Specific Ground Motions in Accordance with New Chapter 16
C.B. Crouse
Seismic Hazard for Dams and Nuclear Facilities
1:45 pm Treatment of Epistemic Uncertainty—Seismic Hazard for Critical Facilities: Issues and Proposed Solutions
N. Abrahamson
USGS/PUC/ASCE 7 Ground-Motion Design Value Maps for Buildings and Other Structures
2:15 pm Development of USGS National Seismis Hazard Maps: Issues and Proposed Solutions
M. Petersen
2:45 pm Break
3:00 pm New Design Ground Motions in the 2015 NEHRP Provisions and Significant Differences with Respect to ASCE 7-10, ASCE 7-05, and ASCE 7-02
N. Luco
3:30 pm Project 17: Issues and Proposed Solutions for Ground-Motion Design Value Maps for Buildings and Other Structures
R. Hamburger
4:00 pm Panel Discussion
All
4:50 pm Concluding Remarks
B. Bachman and N. Abrahamson
5:00 pm Adjourn for Cocktail Hour (No Host)
All

Past Technical Sessions

Year
Title
2014
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
2013
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
2012
Issues Associated with Adjusting SGA-based GMPEs for Directivity and Fling, and Short-term Impacts of Serious Aftershocks on Building Code Ground Motions
2011
Ground Motions from Subduction Earthquakes and Issues for Seismic Design
2010
Issues Associated with Applying Conditional Mean Spectra to the Selection and Scaling of Design Ground Motions
2009
Practical Application of the New ASCE 7-10 Required Procedures for Determining Site Specific Ground Motions
2008
Selection and Scaling of Ground Motions for Site Response Analysis and Geotechnical Evaluations
2007
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
2006
An Evaluation of Methods for the Selection and Modification of Ground Motion Time Histories for Building Code and Performance based Earthquake Engineering Applications
2005
Recommendations for the Selection and Scaling of Ground Motion Time Histories for Building Code Applications

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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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