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Award Abstract #0420347

NEESR-SG; Seismic Performance of Bridge Systems with Conventional and Innovative Materials

NSF Org: CMMI
Div Of Civil, Mechanical, & Manufact Inn
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Initial Amendment Date: October 28, 2004
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Latest Amendment Date: November 29, 2010
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Award Number: 0420347
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Award Instrument: Standard Grant
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Program Manager: Joy Pauschke
CMMI Div Of Civil, Mechanical, & Manufact Inn
ENG Directorate For Engineering
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Start Date: November 15, 2004
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End Date: October 31, 2012 (Estimated)
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Awarded Amount to Date: $2,030,000.00
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Investigator(s): Mehdi Saiidi saiidi@unr.edu (Principal Investigator)
Ian Buckle (Co-Principal Investigator)
Filip Filippou (Co-Principal Investigator)
Ahmed Elgamal (Co-Principal Investigator)
Amir Mirmiran (Co-Principal Investigator)
Gregory Fenves (Former Co-Principal Investigator)
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Sponsor: Board of Regents, NSHE, obo University of Nevada, Reno
1664 North Virginia Street
Reno, NV 89557-0001 (775)784-4040
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NSF Program(s): NEES RESEARCH
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Program Reference Code(s): 1057, 1576, 9102, 9150, CVIS, 9251, 040E, 036E, 116E, 9146, 9178, MANU, 043E, 9231
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Program Element Code(s): 7396

ABSTRACT

Intellectual Merit: The primary technical objective of the proposed study is to conduct a comprehensive investigation of the seismic performance of a series of models of four-span large-scale bridge systems including the soil-structure interaction effects at the footings and the abutments. A strong interdisciplinary team of researchers is formed to lead the effort in the study of the shake table response of bridge models, soil-structure interaction, numerical simulation, innovative materials, and wireless sensors with an overarching effort in education and outreach and utilization of information technology. Two leading international collaborators and representatives from the design profession will be also involved. Through the use of NEESgrid system and its tools, the team members and their students will closely collaborate in his multi-faceted study. Extensive numerical and physical simulation studies are envisioned, with the former using program OpenSees and the latter using the NEES shake table facilities at the University of California, San Diego (UCSD) and the University of Nevada, Reno(UNR). A large-scale abutment will be tested at UCSD and four, large-scale, 4-span bridge models will be tested at UNR. The UCSD studies will provide data that will be used in simulating the abutment input motion in the UNR tests. Two of the bridge models will incorporate conventional design, the third will be supported on fiber-reinforced polymer (FRP) composite piers, and the fourth will incorporate innovative column plastic hinges with minimum permanent damage. The major gap that the proposed study will address is experimental data and calibrated analytical studies of the earthquake performance of bridge systems. Unlike past studies that have generally been on components, the proposed research will include system response in addition to component behavior. Modern wireless sensors will be further developed as a part of this project and used in the shake table studies. The results of the study are expected to facilitate the evaluation of existing and emerging bridge seismic codes, provide information for performance-based seismic design, help understand the system response, determine the effectiveness of FRP piers, evaluate potential of wireless sensors in large-scale testing, and demonstrate the feasibility of innovative serviceable bridge columns after strong earthquakes. New data and metadata models are envisioned to facilitate incorporation of the new information obtained in the project in the data repository planned by the NEES Consortium.

Broader Impact: The broader impact of the proposed project will consist of its strong educational thrust and it overall societal impact. Through the new knowledge generated as a results of this project in multiple forms, the study will (1) directly train post-doctoral fellows, graduate students, and undergraduate students at several universities using the latest state-of-the-art technology in earthquake engineering research and information technology,(2) educate K-12 students, teachers, and the public about bridge earthquake engineering, (3) integrate teaching and research at introductory and advanced college courses, (4) develop teaching modules for high schools, (5) develop an interactive website, (6) improve basic understanding of the societal role of earthquake engineers, and (7) motivate K-12 students to increase the likelihood of all talented students, women, minorities, and others to seriously consider earthquake engineering as a profession. The overall societal impact of the proposed project will be (a)training of skilled earthquake engineers with state-of-the-art NEES equipment to improve the human resource pool, (b) improving public understanding and perception of the critical role of earthquake engineering in the society, (c)generating verified information based on research conducted by a strong team of multidisciplinary researchers from several US and two overseas universities,(d) providing impetus for reliable implementation of performance-based design of new and retrofit of existing bridges in design codes to ensure safe bridges and to reduce economic loss in future strong earthquakes, (e)increasing the awareness of the earthquake engineers about innovative materials and their potential to keep bridges operational even after strong earthquakes, (f)improving global understanding by interaction and international exchange opportunities provided by this project with international collaborators, and (g)providing opportunities for several potential payload projects that could further enhance the growth of a number of high caliber faculty, several of whom are recipients of past NSF Career or other awards.


PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Wilson, Patrick, and Ahmed Elgamal. "Full-Scale Shake-Table Investigation of Bridge Abutment Lateral Earth Pressure," Bull. New Zealand Society Earthquake Engineering, v.24, 2009, p. 39.

Saiidi, M.; . "Managing seismic performance of highway bridges-evolution in experimental research," STRUCTURE AND INFRASTRUCTURE ENGINEERING, v.7, 2011, p. 569-586.

Saiidi, M.; Cruz, C.; Hillis, D.; Ghafoori, N. "High-performance materials in earthquake-resistant concrete bridges," CHALLENGES, OPPORTUNITIES AND SOLUTIONS IN STRUCTURAL ENGINEERING AND CONSTRUCTION, v.1, 2010, p. 3-6.

Noguez, Carlos A. Cruz; Saiidi, M. Saiid. "Performance of Advanced Materials during Earthquake Loading Tests of a Bridge System," JOURNAL OF STRUCTURAL ENGINEERING-ASCE, v.139, 2013, p. 144-154.

Noguez, Carlos A. Cruz; Saiidi, M. Saiid. "Shake-Table Studies of a Four-Span Bridge Model with Advanced Materials," JOURNAL OF STRUCTURAL ENGINEERING-ASCE, v.138, 2012, p. 182-191.

Saiidi, M.; Cruz, C.; Hillis, D. "Multi-Shake Table Seismic Studies of a 33-Meter Railway Concrete Bridge with High-Performance Materials," INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, v.8, 2010, p. 13-18.

BOOKS/ONE TIME PROCEEDING

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M. Saiidi. "Collaborative Study of Biaxial Seismic Response of Bridge Systems", 11/02/2005-10/31/2006, , NEES Annual Meeting 2006, "Proceedings, NEES Fourth Annual Meeting, Washington, DC, June 2006".

S. Zadeh and M. Saiidi. "Nonlinear Response Analysis of a Large-Scale 4-Span REinforced Concrete Bridge Model", 11/02/2005-10/31/2006, , Center for Civil Engineering Earthquake Research 2007, "Center for Civil Engineering Earthquake Research, Department of Civil Engineering, University of Nevada, Reno, Nevada, Report No. CCEER-07-xx, January 2007.".

M. Saiidi. "Collaborative Study of Biaxial Seismic Response of Bridge Systems", 11/01/2006-10/31/2007, , NEES Annual Meeting 2006, "Proceedings, NEES Fourth Annual Meeting, Washington, DC, June 2006".

S. Zadeh and M. Saiidi. "Nonlinear Response Analysis of a Large-Scale 4-Span REinforced Concrete Bridge Model", 11/01/2006-10/31/2007, , Center for Civil Engineering Earthquake Research 2007, "Center for Civil Engineering Earthquake Research, Department of Civil Engineering, University of Nevada, Reno, Nevada, Report No. CCEER-07-xx, January 2007.".

Saiidi, M., R. Nelson, M. Zadeh, and I. Buckle. "Shake Table Studies of a 4-Span Reinforced Concrete Bridge Model", 11/01/2006-10/31/2007, "Asia-Pacific Network of Centers for Earthquake Engineering Research",  2007, "Paper No. 56, Hong Kong, China, May 2007.".

M. Saiidi. "Collaborative Study of Biaxial Seismic Response of Bridge Systems", 11/01/2007-10/31/2008, , NEES Annual Meeting 2006, "Proceedings, NEES Fourth Annual Meeting, Washington, DC, June 2006".

S. Zadeh and M. Saiidi. "Nonlinear Response Analysis of a Large-Scale 4-Span REinforced Concrete Bridge Model", 11/01/2007-10/31/2008, , Center for Civil Engineering Earthquake Research 2007, "Center for Civil Engineering Earthquake Research, Department of Civil Engineering, University of Nevada, Reno, Nevada, Report No. CCEER-07-xx, January 2007.".

Saiidi, M., R. Nelson, M. Zadeh, and I. Buckle. "Shake Table Studies of a 4-Span Reinforced Concrete Bridge Model", 11/01/2007-10/31/2008, "Asia-Pacific Network of Centers for Earthquake Engineering Research",  2007, "Paper No. 56, Hong Kong, China, May 2007.".

Saiidi, M., R. Nelson, M. Zadeh, and I. Buckle. "Seismic Performance of a Large-Scale 4-Span Bridge Model Subjected to Shake Table Testing", 11/01/2007-10/31/2008,  2008, "Proceedings, National Concrete Bridge Conference, St. Louis, Missouri, May 2008, Paper No. 107.".

Nelson, R., M. Saiidi, and M. Zadeh. "Experimental Evaluation of Performance
of Conventional Bridge Systems", 11/01/2007-10/31/2008,  2007, "Center for Civil Engineering Earthquake Research, Department of Civil Engineering, University of Nevada, Reno, Nevada, Report No. CCEER-07-4, October 2007.".


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