NGL

NGL Database Project Workshop at UCLA, September 24, 2018 (Workshop Agenda)

Workshop notes

Presentations:

Introduction and project overview (Yousef Bozorgnia, Jonathan Stewart)

The NGL Consortium (John Stamatakos)

Introduction to the NGL Database and activities of the Database Working Group (Scott Brandenberg)

The NGL Database: graphical interface and population status (Paolo Zimmaro)
With videos embedded (requires flash plugin) - Presentation only (no videos)

Liquefaction legacy case histories part 1 (Onder Cetin)

Liquefaction legacy case histories part 2 (Robb Moss)

Lateral spreading case histories (Steven Bartlett, Kevin Franke, Massoud Hosseinali)

Liquefaction case histories at strong motion recording sites (Mike Greenfield)

Recent case histories data collection and distillation (Paolo Zimmaro)

NGL-DesignSafe on-the-cloud interactive tools (Allison Lee, Honor Fisher)
With videos embedded (requires flash plugin) - Presentation only (no videos)

Next steps for the NGL Consortium (Steven Kramer, Jonathan Stewart, John Stamatakos)

Workshop at PEER Center, February 5, 2016 (Agenda)

A workshop with researchers from various research organizations was held in PEER center. Project vision, work to date, NGL database format, and next step were discussed.

Workshop Minutes
Comments by Youd and Ballegooy
Presentations (password-protected)

Participants (alphabetical order): Donald Anderson, Richard Armstrong, Ariya Balakrishnan, Sjoerd van Ballegooy, Steven Bartlett, Christine Beyzaei, Yousef Bozorgnia, Scott Brandenberg, Jonathan Bray, Brian Carlton, K. Onder Cetin, Ahmed Elgamal, Kevin Franke, Russell Green, Mike Greenfield, Tadahiro Kishida, Steven Kramer, Dong Youp Kwak, Jorge Meneses, Shoichi Nakai, Thomas Shantz, Jonathan Stewart, T. Leslie Youd, Thomas Weaver, Zia Zafir, Paolo Zimmaro

6ICEGE invited presentation, Christchurch, November 1-4, 2015

The synopsis of NGL project and examples from recent case history investigations were presented at 6th International Conference on Earthquake Geotechnical Engineering, Christchurch, New Zealand.

US-Japan NHERI / E-Defense Joint Workshop at E-Defense, Kobe, September 15-16, 2015

US-Japan researchers from various fields had a discussion for a possible collaboration for the use of NHERI and E-Defense. The needs of supporting studies (physical modeling tests) using these facilities for NGL project were discussed.

Participants (Geotechnical Group): (US) Ahmed Elgamal, Ellen Rathje, Dong Youp Kwak, Ramin Motamed, Shideh Dashti, Ian Buckle, (Japan) Hideki Funahara, Junji Hamada, Shuji Tamura, Yohsuke Kawamata

NGL-LEAP Joint Workshop at Kyoto University, June 19-20, 2015

NGL and LEAP groups had a joint workshop to discuss a possible collaboration. Introduction and current procedure of two projects were introduced, and discussion and suggestion for each project were followed.

Participants: Jonathan P. Stewart, Robert E. Kayen, Dong Youp Kwak, Allan Ng, Steven L. Kramer, Michael W. Greenfield, Christine Beyzaei, Tadahiro Kishida

Meeting at PEER Center, August 25, 2014

NGL team discussed various tasks performed: UCLA team showed the results of the site investigation for Tokyo/Chiba region regarding 2011 Tohoku earthquake; UW team presented the anlayses of onset of liquefaction and effective number of cycles for ground motions; UCB team talked the site investigation work performed for Christchurch in New Zealand.

Participants: Jonathan P. Stewart, Robert E. Kayen, Dong Youp Kwak, Allan Ng, Steven L. Kramer, Michael W. Greenfield, Christine Beyzaei, Tadahiro Kishida

Workshop at PEER Center, March 17, 2014

A kick-off workshop with researchers from various research organizations was held in PEER center. Various topics related to the NGL project were covered: pre-liquefaction database, liquefaction triggering analysis, database format/parameters demanded, residual strength, data platform, and project management.

Participants: Robert E. Kayen, Steven L. Kramer, Jonathan P. Stewart, Thomas L. Holzer, Ross W. Boulanger, Russell A. Green, Jonathan D. Bray, Robb Eric S. Moss, Steven Bartlett, T. Leslie Youd, Tadahiro Kishida, Thomas Shantz, Brian S.-J. Chiou, Zia Zafir, Allan Ng, Dong Youp Kwak, Christopher Markham