Current Projects
Search
 

Home
Search for Projects
View Projects
Project Title
by Subject/Focus Area
by Board/Committee
by Major Unit
Provisional Committee Appointments Open for Formal Public Comments
by Last Update
Meeting Information
Conflict of Interest Policy
Committee Appointment Process
FAQ
  meetingview
More Project Information and to provide FEEDBACK on the Project

 Printer Friendly Version


Meeting Information



Project Title: State of the Art and Practice in Earthquake Induced Soil Liquefaction Assessment

PIN: DELS-BESR-11-02         

Major Unit:
Division on Earth and Life Studies

Sub Unit:
Board on Earth Sciences & Resources

RSO:
Magsino, Sammantha

Subject/Focus Area:
Earth Sciences; Engineering and Technology


State of the Art and Practice in Earthquake Induced Soil Liquefaction Assessment
March 9, 2014 - March 12, 2014
Memorial Union
Arizona State University
301 E. Orange St.
Tempe, AZ 85281


If you would like to attend the sessions of this meeting that are open
to the public or need more information please contact:


Contact Name: Sammantha Magsino
Email: smagsino@nas.edu
Phone: 202.334.3091
Fax:


Agenda:

Sunday March 9, 2014
Closed Session

Monday March 10, 2014

7:45 a.m. Check in; Continental breakfast

8:15 Welcome and introductory remarks
Edward Kavazanjian, chair, Committee on State of the Art and Practice in Earthquake Induced Soil Liquefaction

SESSION 1: CASE HISTORIES/DATA COLLECTION

Session moderator: Russell Green, Committee Member

8:30 Plenary Session
Statement of Session Goals

8:35 Plenary Speakers: Thomas Holzer, U.S. Geological Survey
Peter Robertson, Gregg Drilling and Testing
•What are the essential data that must be known or obtained to interpret a liquefaction related phenomena case history?
• What are the “critical holes” in the current liquefaction related phenomena case history databases (i.e., what important scenarios/cases are absent or underrepresented in the current databases)? What are the viable approaches to filling these holes?

9:05 Panel Discussion
Jonathan Stewart, University of California, Los Angeles
Misko Cubrinovski, University of Canterbury
Kenji Ishihara, Chuo University, Tokyo

9:45 Break

9:55 Breakout Sessions

Breakout A: Uncertainty in case history documentation
Breakout B: Numerical (mechanistic), laboratory, and physical model data
Breakout C: Field evidence
Breakout D: Characterization of seismic demand

11:10 Break

11:30 Plenary Session
Breakout session summaries

Noon Lunch

SESSION 2: TRIGGERING OF LIQUEFACTION

Session moderator: Steve Kramer, Committee Member

1:15 Plenary Session
Statement of Session Goals

1:20 Plenary Speaker: Geoffrey Martin, University of Southern California

• What are the primary deficiencies in the simplified method for evaluation of liquefaction potential, and how can they be improved?
• What is the role of other triggering evaluation procedures in current practice and in the future?

1:40 Panel Discussion
Ricardo Dobry, Rensselaer Polytechnic Institute
Donald Anderson , Ch2M Hill
Misko Cubrinovski, University of Canterbury
Geoff Martin, University of Southern California

2:15 Break

2:25 Breakout Sessions

Breakout A: Liquefaction susceptibility
Breakout B: Characterization of demand
Breakout C: Characterization of resistance
Breakout D: Model development

3:55 Break

4:15 Plenary Session
Breakout session summaries

4:45 Description of goals for Day 2 of workshop

5:00 Adjourn for the day
DAY TWO: Tuesday, March 11, 2014

WebEx Connection for Day 2: Remote participation only possible during plenary sessions
1. CLICK HERE (different from day 1)
2. Enter your name and e-mail address.
3. Click "Join".
4. Provide your phone number when you join the meeting to receive a call back.


8:15 a.m. Check In; Continental breakfast

8:25 Welcome and introductory remarks
Edward Kavazanjian, chair, Committee on State of the Art and Practice in Earthquake Induced Soil Liquefaction


SESSION 3: CONSEQUENCES OF LIQUEFACTION

Session moderator: Lelio Mejia, Committee Member

8:25 Plenary Session
Statement of Session Goals

Plenary Session topics:
• Residual strength and stress-strain-pore pressure behavior
• Advanced analytical methods

8:30 Plenary Speakers:
Ricardo Dobry, Rensselaer Polytechnic Institute
Michael Beaty, Beaty Engineering LLC
• What are the latest developments for the prediction of post-triggering consequences?
• What are the main deficiencies in current practice for the assessment of residual shear strength and stress-strain-pore pressure behavior, and what research is needed to address them?

9:00 Open discussion

9:25 Break

9:40 Breakout Session

Breakout A: Residual strength characterization
Breakout B: Analytical models
Breakout C: Simplified methods for settlement and lateral spreading
Breakout D: Earth structures and soil structure interaction

11:05 Break

11:30 Plenary Session
Breakout session summaries

12:00 noon Lunch

SESSION 4: ALTERNATIVES TO CURRENT PRACTICE
AND PATHS FORWARD

Session Moderator: José Andrade, Committee Member

1:00 Plenary Session
Statement of Session Goals

1:15 Plenary Presentations:

Robert Kayen, U.S. Geological Survey
Giuseppe Buscarnera, Northwestern University
Ronaldo Borja, Stanford University
• Mechanics and physics-based models for liquefaction and its consequences and their uncertainties i.e., Multiphase models, numerical models, analytical, constitutive models, etc.
• Alternative methods and models for liquefaction and their uncertainties; i.e., strain-based methods, energy-based methods, other possibilities

2:25 Break

2:35 Breakout Sessions

Breakout A: Strain and energy-based approaches
Breakout B: Analytical models
Breakout C: Post-triggering flow behavior
Breakout D: Post-triggering stress-strain behavior

3:55 Break

4:15 Plenary Session
Breakout session summaries

CONCLUDING REMARKS

4:30 Closing Remarks
Edward Kavazanjian, Chair

4:45 p.m. Workshop adjourns


Wednesday, March 12, 2014: Closed Session


Closed Session Summary Posted After the Meeting

The following committee members were present at the closed sessions of the meeting:
Edward Kavazanjian
Chair
Jose E. Andrade
Kandiah "Arul" Arulmoli
Brian F. Atwater
John T. Christian
Russell Green
Steven L. Kramer
Lelio Mejia (participated remotely on March 12)
James K. Mitchell
Ellen Rathje
James R. Rice
Yumei Wang

The following topics were discussed in the closed sessions:
The committee discussed the logistics of the workshop in closed session before the workshop. Following the workshop, the committee reviewed workshop discussions, identified information needs, and came up with strategies to fill those needs.

The following materials (written documents) were made available to the committee in the closed sessions:
No materials were made available to the committee during closed sessions.

Date of posting of Closed Session Summary: March 20, 2014