A new paper on the collapse of a span in the I-5 Skagit River Bridge, which occurred due to a vehicle strike, is now available in the ASCE Journal of Performance of Constructed Facilities:
Stark, T., Benekohal, R., Fahnestock, L., LaFave, J., He, J., and Wittenkeller, C. (2016). “I-5 Skagit River Bridge Collapse Review.” J. Perform. Constr. Facil. , 10.1061/(ASCE)CF.1943-5509.0000913, 04016061.
Two new papers on seismic behavior and design of multitiered braced frames are now available in the “Just Released” online section of the ASCE Journal of Structural Engineering:
Imanpour, A., Tremblay, R., Davaran, A., Stoakes, C., and Fahnestock, L. (2016). “Seismic Performance Assessment of Multitiered Steel Concentrically Braced Frames Designed in Accordance with the 2010 AISC Seismic Provisions.” J. Struct. Eng., 10.1061/(ASCE)ST.1943-541X.0001561, 04016135.
Imanpour, A., Tremblay, R., Fahnestock, L., and Stoakes, C. (2016). “Analysis and Design of Two-Tiered Steel Braced Frames under In-Plane Seismic Demand.” J. Struct. Eng., 10.1061/(ASCE)ST.1943-541X.0001568, 04016115.
A new paper is now available on modeling and seismic analysis of seat-type abutment bridges, with focus on Illinois and the quasi-isolated design philosophy that has been adopted by the Illinois Department of Transportation:
Luo, J., Fahnestock, L.A., Kozak, D.L. and LaFave, J.M. “Seismic analysis incorporating detailed structure-abutment-foundation interaction for quasi-isolated highway bridges,” Structure and Infrastructure Engineering. dx.doi.org/10.1080/15732479.2016.1177094
The work described in this paper is part of the project Calibration and Refinement of Illinois’ Earthquake Resisting System Bridge Design Methodology: Phase II, which is sponsored by the Illinois Center for Transportation.
A paper on behavior of integral abutment bridges has been published in the ASCE Journal of Bridge Engineering:
LaFave, J., Riddle, J., Jarrett, M., Wright, B., Svatora, J., An, H., and Fahnestock, L. (2016). “Numerical Simulations of Steel Integral Abutment Bridges under Thermal Loading.” J. Bridge Eng., 10.1061/(ASCE)BE.1943-5592.0000919, 04016061.
The work described in this paper is part of the project Analysis of Superstructures of Integral Abutment Bridges, which is sponsored by the Illinois Center for Transportation and the Illinois Tollway.
A new article “Ductility in Moderation” is published in the February 2016 issue of Modern Steel Construction. Research described in this article is part of the project NEESR: Reserve Capacity in New and Existing Low-Ductility Steel Braced Frames, and is also partially supported by the American Institute of Steel Construction.
Two new papers are now available online in the “Just Released” section of the ASCE Journal of Structural Engineering:
The hybrid masonry research was supported by the National Science Foundation under Grant No. CMMI 0936464 as part of the George E. Brown, Jr. Network for Earthquake Engineering Simulation. Additional support was provided by the American Institute of Steel Construction, the National Concrete Masonry Association, and the International Masonry Institute.
The column stability research was partially supported by the American Institute of Steel Construction.
A paper on PTFE sliding bearings has been published in the Journal of Bridge Engineering:
The work described in this paper is part of the project Calibration and Refinement of Illinois’ Earthquake Resisting System Bridge Design Methodology, which is sponsored by the Illinois Center for Transportation.
A new paper is now published in the ASCE Journal of Structural Engineering on the large-scale testing program investigating structural integrity of steel-concrete composite floor systems.
A new paper is now published in the ASCE Journal of Performance of Constructed Facilities on the investigation undertaken by Prof. James LaFave and Prof. Larry Fahnestock following the EF5 tornado that occurred on May 20, 2013 in Moore, Oklahoma. Their trip was sponsored by the CEE Rapid Response Grant Program, which is designed to support high-impact research related to infrastructure improvement and societal risk management in the wake of disasters. Following the reconnaissance trip, CEE REU students Zhengboyang Gao, Donovan Holder and Michael Kuo assisted with data analysis, synthesis and documentation.
A paper on steel fixed bearings has been published in the Journal of Bridge Engineering Special Issue on Recent Advances in Seismic Design, Analysis, and Protection of Highway Bridges:
The work described in this paper is part of the project Calibration and Refinement of Illinois’ Earthquake Resisting System Bridge Design Methodology, which is sponsored by the Illinois Center for Transportation.