Seismic Performance of SMA/ECC Columns
of SR 99
Bridge Structure

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SMA/ECC SR-99 BRIDGE HONORED AS TOP 5 BY ASCE

The shape memory alloy and engineered cementitious composite research that Prof. Saiidi pioneered and pursued over the past two decades and his cooperation with the Washington State Department of Transportation in design, specification preparation, and implementation of the technology in SR-99 Off-Ramp Bridge in Seattle led to selection of the project for the ASCE Honor of one of the Top Outstanding Civil Engineering Achievements for 2018.  Read more…

SR-99 JOURNAL PAPER RECEIVES THE PRESTRESSED CONCRETE INSTITUTE ROBERT J. LYMAN AWARD
The paper received special commendation for advancement of the construction, production, and erection of precast and prestressed concrete.  The authors: T. Baker, M. Saiidi, B. Nakashoji, J. Bingle, T. Moore, and B. Khaleghi will be recognized in October at the PCI annual meeting in Chicago, Illinois.  Click here for more information.

SR-99 Project Highlighted as Sweet 16 Project at Transportation Research Board 2018 Meeting
(Click Here to View Poster)

Dear Visitor:

Welcome to our website!  Highlights of a research projects on seismic performance of bridge column models representing the piers of bridge SR-99 constructed with Nickel-Titanium bars and engineered cementitious composites in plastic hinges are presented on this site. 

The study was funded by the Washington Department of Transportation (WashDOT) contract number GCB1341 through a grant from the Federal Highway Administration (FHWA) program on Innovative Bridge Research and Deployment (IBRD).  However, the material and opinions presented on this site are those of the authors and do not necessarily represent the views of WashDOT or FHWA.  Special thanks are due Dr. Bijan Khaleghi, Jugesh Kapur, Jed Bingle, and other WashDOT staff for their invaluable support and advice. 

Please feel free to use the material with acknowledgement that includes statements such as “…funded by the WashDOT and FHWA-IBRD programs and directed by M. Saiidi at the University of Nevada, Reno.”  We welcome your comments.

M. Saiid Saiidi

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