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Events

September 10, 2008 — Hybrid Simulation Workshop at nees@berkeley

The nees@berkeley Equipment Site hosted a one-day hybrid simulation workshop that followed OpenSees Days workshop. The OpenSees modules that were part of previous workshops, were dropped for this abbreviated session, as the expected participants got the OpenSees material in the OpenSeees Days workshop. Hybrid simulation is a set of methods for examining the seismic response of structures using a hybrid model comprised of both physical and nummerical sub-structures. This workshop on hybrid simulation is for NEES researchers, both current and future.
Webpages: Workshop and Agenda.

February 21–22, 2008 — Hybrid Simulation Workshop at nees@berkeley
February 23, 2008 — OpenFresco Workshop at nees@berkeley

The nees@berkeley Equipment Site hosted a two-day hybrid simulation workshop. Hybrid simulation is a set of methods for examining the seismic response of structures using a hybrid model comprised of both physical and nummerical sub-structures. This workshop on hybrid simulation is for NEES researchers, both current and future.
Webpages: Workshop, Agenda, Presentations,, and Flyer.

The day after the hybrid simulation workshop, the nees@berkeley Equipment Site hosted a one-day OpenFresco workshop. This will be a detailed technical seminar for developers and for system administrators. OpenFresco is one of the important tools discussed in the hybrid simulation workshop.
Webpages: Announcement.

Fundamentals of Column Bases and Exposed Seismic Base Design (Cont. of Large Scale Tests & Micromechanics-Based Simulation of Ultra-Low Cycle Fatigue & Fracture in Steel Structures): Phase 3

Test schedule: January 3, 11, 22, 31, & February 11, 2008

PIs: Amit M. Kanvinde (UC Davis) & Gregory G. Deierlein (Stanford University) Graduate Student: Ivan R. Gomez (UC Davis). The aim of the project was to investigate Ultra-Low Cycle Fatigue (ULCF) in large-scale welded steel columns. The extensive experimental study was complemented by detailed continuum-based FEM and micromechanics-based models that capture the fundamental processes of void growth, collapse, and damage responsible for ULCF.

Determining the Live Load Capacity of Bridges Designed to Caltrans Seismic Design Criteria Following a Major Seismic (Design) Event

PI: Bozidar Stojadinovic (UCB) - Graduate Students: Vesna Terzic (UCB) and Nicola Tondini (U. of Trento, Italy). Testing will be performed to evaluate the remaining traffic load capacity of a bridge after an earthquake events. In the November 16 test, a column which had been damaged by applying axial load. The amount of axial load capacity remaing after a controlled amount of leteral load induced demage was measured. These tests will be used to develop the evaluation procudure and modeling guidelines.

August 2, 2007 - Pre-Engineering Partnerships (PEP) students

Students from the PEP program on the U.C. Berkeley campus visited the nees@berkeley Equipment site. They went on a tour of the facility and watched a demonstration of a bridge built out of K'nex being shaken on a small shake table.

July 25 & August 2, 2007 - NSLC Engineering Summer 2007 Program at UC Berkeley

The nees@berkeley Equipment Site introduced over 200 high school students from across the country to basic concepts in earthquake engineering including a lecture, tour and demonstration of the earthquake resistance of structures they built.

June 22, 2007 - Project POSIT - Oakland Teachers Program

April 26 - 27, 2007 - Hybrid Simulation Workshop at nees@berkeley

The nees@berkeley Equipment Site is hosted a two day hybrid simulation workshop. Hybrid simulation is a method for examining the seismic response of structures using a hybrid model comprised of both physical and nummerical sub-structures. This workshop on hybrid simulation is for NEES researchers, both current and future. Workshop, Presentations and Photos.

Saturday, April 21st, 2007 - Cal Day Open House from 1 - 4 pm

Visit the Richmond Field Station to see how earthquake engineers are designing buildings and other structures to withstand the power of earthquakes. Tour our labs that simulate the destructive force of earthquakes. See video presentations and take part in discussions with our engineers.

February - June 2007 - Berkeley High School Intern

Monday, April 16, 2007

Hybrid Simulation of Base Isolated Structures

PI: Steve A. Mahin (UCB) - Graduate Student: Andreas Schellenberg (UCB)

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nees@berkeley Laboratory • UC Berkeley — Richmond Field Station • 1301 South 46th Street, Building 484 • Richmond, CA 94804 • nees@berkeley.edu