Oct 29 Webinar: Lessons learned from 3-dimensional shake table testing of a full-scale seismically isolated building

[announce at designsafe-ci.org]

*NHERI Lehigh Seminar Series*

*October 29, 4:00-5:00pm EST*



*Lessons learned from three-dimensional shake table t**esting of a
full-scale seismically isolated building*



*Register online: *
https://www.designsafe-ci.org/learning-center/training/workshops/lehigh-ef/2018/seminar-series-102918/




*Speaker: Keri L. Ryan, PhD Associate Professor University of Nevada, Reno*

Abstract:



Through a Memorandum of Understanding between the U.S. Network for
Earthquake Engineering Simulation (NEES) and Japan’s National Institute of
Earth Science and Disaster Prevention, a full-scale shaking table test of a
5-story base-isolated was carried out at Japan’s Hyogo Earthquake
Engineering Research Center (E-Defense) in 2011. The building was tested
with two different isolation systems (triple pendulum bearings and a hybrid
system of lead-rubber bearings and low-friction rolling cross-linear
bearings) and in the fixed-base configuration. The tested building had a
realistic floor system, nonstructural components (suspended ceilings,
sprinkler piping and interior walls), and furnishings, and was subjected to
strong earthquake shaking.



The tests served as a full-scale proof of the concept of seismic isolation
to protect the building from damage in very strong earthquake shaking; for
instance, displacement demands across the isolation system were more than
twice what has been observed in any previous earthquake event. However, the
nonstructural components and furnishings were not completely protected from
damage, and the tests showed that these items were sensitive to the
vertical component of ground shaking, which is unaffected by the seismic
isolation system. While the overall performance of the isolation systems
was very impressive when considered against other available options for
seismic protection, the tests highlight the challenge of designing a
building to remain immediately operational following a large earthquake.
This presentation will summarize the test program, present the major
findings, and discuss future directions in research and design practice.


[image: Lehigh.png]

[image: nsf-small.jpg]
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.designsafe-ci.org/pipermail/announce/attachments/20181018/1e1a503c/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Lehigh.png
Type: image/png
Size: 12455 bytes
Desc: not available
URL: <http://lists.designsafe-ci.org/pipermail/announce/attachments/20181018/1e1a503c/attachment-0001.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: nsf-small.jpg
Type: image/jpeg
Size: 19990 bytes
Desc: not available
URL: <http://lists.designsafe-ci.org/pipermail/announce/attachments/20181018/1e1a503c/attachment-0001.jpg>