NSF Org:	CMMI Division of Civil, Mechanical, and Manufacturing Innovation
Recipient:	UNIVERSITY OF TEXAS AT AUSTIN
Initial Amendment Date:	July 17, 2003
Latest Amendment Date:	July 17, 2003
Award Number:	0338441
Award Instrument:	Standard Grant
Program Manager:	Richard Fragaszy CMMI  Division of Civil, Mechanical, and Manufacturing Innovation ENG  Directorate for Engineering
Start Date:	August 1, 2003
End Date:	July 31, 2005 (Estimated)
Total Intended Award Amount:	$63,625.00
Total Awarded Amount to Date:	$63,625.00
Funds Obligated to Date:	FY 2003 = $63,625.00
History of Investigator:	Ellen Rathje (Principal Investigator) e.rathje@mail.utexas.edu
Recipient Sponsored Research Office:	University of Texas at Austin 110 INNER CAMPUS DR AUSTIN TX  US  78712-1139 (512)471-6424
Sponsor Congressional District:	25
Primary Place of Performance:	University of Texas at Austin 110 INNER CAMPUS DR AUSTIN TX  US  78712-1139
Primary Place of Performance Congressional District:	25
Unique Entity Identifier (UEI):	V6AFQPN18437
Parent UEI:
NSF Program(s):	Geotechnical Engineering and M
Primary Program Source:	app-0103
Program Reference Code(s):	CVIS, 1057, 1576, 1039
Program Element Code(s):	163600
Award Agency Code:	4900
Fund Agency Code:	4900
Assistance Listing Number(s):	47.041

ABSTRACT

This action is to support an international workshop to discuss the uncertainties and biases associated with nonlinear soil properties and the effects of uncertainty and bias on modeling dynamic soil response. The workshop will be held during or before the Spring of 2004 at the Pacific Earthquake Engineering Research (PEER) center in Richmond, CA. (peer.berkeley.edu).

The motivation for this workshop is the current uncertainties and biases in nonlinear soil-property measurements, and the potential impact of these issues on modeling dynamic soil response during seismic studies. Conclusions reached by workshop participants will be used to identify whether a need exists for reducing current levels of uncertainty and bias associated with nonlinear soil-property testing, and if the need exists, the types of testing or modeling that will best achieve this reduction. Approximately 40 geotechnical engineers will participate in the workshop, encompassing representatives from academia, public agencies and private practice. Notification of the workshop will be via email lists and a workshop website. After the workshop, the workshop website will contain the presentations and discussion summaries from the workshop. The website will be maintained by the PEER Lifeline program for a 5-year period to allow quarterly posting of updates to the workshop.

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