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Experiments

UGU01

Status: Completed

Planned for Dec 6, 2005 at 10:00 am PST

Earthquake-induced deformations of a bridge abutment underlain by liquefied soil may be reduced by the restraining forces that come from the pile foundation and bridge superstructure. The reduced abutment displacements may, in turn, reduce the loads or displacement demands that are imposed on the piles. Design methods that account for this "pile pinning" effect have been used in practice and included in the recent national guidelines, but have not previously been evaluated against physical data. These pile pinning analysis methods are being evaluated against the results of dynamic centrifuge model tests.

MIL03

Status: Completed

Planned for Jan 26, 2006 at 03:15 pm PST

Collaborative Research: Demonstration of NEES for Studying Soil-Foundation-Structure Interaction.This collaborative project involves eighteen researchers from ten universities. The research plan involves four primary components: (1) four complementary experimental programs which will investigate key aspects of SFSI, (2) refinement of computational simulation models for SFSI, (3) management of the data and metadata generated in the investigation, and (4) outreach to the earthquake engineering community. Conduct three centrifuge tests to study key aspects of SFSI.

JAU01

Status: Completed

Planned for Mar 23, 2006 at 10:30 am PST

Shallow foundations for bridges (non-NEES)

UGU02

Status: Completed

Planned for Apr 18, 2006 at 11:00 am PST

Earthquake-induced deformations of a bridge abutment underlain by liquefied soil may be reduced by the restraining forces that come from the pile foundation and bridge superstructure. The reduced abutment displacements may, in turn, reduce the loads or displacement demands that are imposed on the piles. Design methods that account for this "pile pinning" effect have been used in practice and included in the recent national guidelines, but have not previously been evaluated against physical data. These pile pinning analysis methods are being evaluated against the results of dynamic centrifuge model tests.

YYB01

Status: Completed

Planned for Jun 15, 2006 at 03:23 pm PST

Development and Verification of In-Flight Grouted Helical Pier Placement Technique for use in Foundation Rehabilitation.SGER to develop helical pier placement and in-flight grouting techniques and tools for the centrifuge facility. Conduct one centrifuge series to verify the capability of the grouting method and employ it for load capacity enhancement of one pile group foundation.

SHD01

Status: Completed

Planned for Jul 17, 2006 at 03:35 pm PST

NEESR-II: Towards Developing an Engineering Procedure for Evaluating Building Performance on Softened GroundThrough the proposed research, a series of well documented model ⿿case histories�? of building performance at sites undergoing severe and moderate ground failure will be developed by performing four experiments on the UC Davis centrifuge.

LAA01

Status: Completed

Planned for Aug 14, 2006 at 05:19 pm PST

(non NEES)

HHS01

Status: Completed

Planned for Oct 6, 2006 at 03:21 pm PST

Pile Foundations in Liquefied and Laterally Spreading GroundE-Defense will make two geotechnical shaking table tests for soil-pile-structure interaction studies and lateral spreading studies, for a period of two years from 2005 under Dai-Dai-Toku project. Several series of centrifugal shaking table tests will be planned using NEES facilities (Davis and RPI) under E-defense/NEES collaboration. The centrifuge tests include a scale model test to be conducted at E-defense.

HHS02

Status: Completed

Planned for Nov 15, 2006 at 03:38 pm PST

Pile Foundations in Liquefied and Laterally Spreading Ground E-Defense will make two geotechnical shaking table tests for soil-pile-structure interaction studies and lateral spreading studies, for a period of two years from 2005 under Dai-Dai-Toku project. Several series of centrifugal shaking table tests will be planned using NEES facilities (Davis and RPI) under E-defense/NEES collaboration. The centrifuge tests include a scale model test to be conducted at E-defense.

LAA02

Status: Completed

Planned for Feb 20, 2007 at 05:20 pm PST

(non NEES)

SSK01

Status: Completed

Planned for Mar 8, 2007 at 09:36 am PST

A series of approximately six centrifuge tests will be performed using the NEES@UCDavis equipment to study the effectiveness of alternative soil improvement methods at port facilities. The general objectives of the centrifuge testing program are to supplement results obtained during the field testing program.The first test will examine vertical drains

SHD02

Status: Completed

Planned for Apr 25, 2007 at 02:31 pm PST

NEESR-II: Towards Developing an Engineering Procedure for Evaluating Building Performance on Softened GroundThrough the proposed research, a series of well documented model ⿿case histories�? of building performance at sites undergoing severe and moderate ground failure will be developed by performing four experiments on the UC Davis centrifuge.

NEESR-GC ports - CTC01

Status: Completed

Planned for Jun 12, 2007 at 09:40 am PST

A series of approximately six centrifuge tests will be performed using the NEES@UCDavis equipment to study the effectiveness of alternative soil improvement methods at port facilities. The general objectives of the centrifuge testing program are to supplement results obtained during the field testing program. This is the second test in the series. It will examine the effects of soil grouting.

NEESR-II - SHD03

Status: Completed

Planned for Aug 10, 2007 at 09:42 am PST

NEESR-II: Towards Developing an Engineering Procedure for Evaluating Building Performance on Softened Ground. Through the proposed research, a series of well documented model ⿿case histories" of building performance at sites undergoing severe and moderate ground failure will be developed by performing four experiments on the UC Davis centrifuge.

BART - JCC01

Status: Completed

Planned for Sep 20, 2007 at 11:51 am PST

Bart transbay tubes testing, sponsored by Fugro

NEESR-GC ports - RNK01

Status: Completed

Planned for Oct 23, 2007 at 09:57 am PST

NEESR-GC: A series of approximately six centrifuge tests will be performed using the NEES@UCDavis equipment to study the effectiveness of alternative soil improvement methods at port facilities. The general objectives of the centrifuge testing program are to supplement results obtained during the field testing program. This is the third test in the series. It is the second test looking at vertical drains.

NEESR-GC ports - CTC02

Status: Completed

Planned for Nov 27, 2007 at 10:00 am PST

NEESR-GC

BART - JCC02

Status: Completed

Planned for Dec 18, 2007 at 11:52 am PST

Bart transbay tubes testing, sponsored by Fugro

Caltrans - LJD01

Status: Completed

Planned for Mar 3, 2008 at 09:58 am PST

Caltrans-sponsored project on shallow foundations.

USGS - JTH01

Status: Completed

Planned for Apr 7, 2008 at 12:01 pm PST

USGS site response of silts

USGS - JTH02

Status: Completed

Planned for Apr 30, 2008 at 12:09 pm PST

USGS response of silts (cancelled)

NEESR-GC ports - RLH01

Status: Completed

Planned for May 7, 2008 at 12:05 pm PST

NEESR-GC: A series of approximately six centrifuge tests will be performed using the NEES@UCDavis equipment to study the effectiveness of alternative soil improvement methods at port facilities. The general objectives of the centrifuge testing program are to supplement results obtained during the field testing program. This is the fifth test in the series. It is the second test looking at vertical drains.

NEESR-II - SHD04

Status: Specimen Demolition

Planned for Aug 7, 2008 at 10:06 am PST

NEESR-II: Towards Developing an Engineering Procedure for Evaluating Building Performance on Softened Ground. Through the proposed research, a series of well documented model ⿿case histories" of building performance at sites undergoing severe and moderate ground failure will be developed by performing four experiments on the UC Davis centrifuge.

Caltrans - LJD02

Status: Specimen Fabrication

Planned for Aug 27, 2008 at 10:02 am PST

Caltrans-sponsorted project on shallow foundations

Caltrans - LJD03

Status: Experimental Design

Planned for Nov 17, 2008 at 10:04 am PST

Caltrans-sponsored project on shallow foundations

LAA03

Status: Experimental Design

Planned for Jan 26, 2009 at 01:45 pm PST

non NEES