Strengthening reinforced concrete bridges in New Mexico using fiber reinforced polymers : a compendium of four reports.
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2008-03-01
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Alternative Title:Strengthening reinforced concrete bridges in New Mexico using fiber reinforced polymers : Reports I-IV;Report I: structural analysis and evaluation of bridges;Report II: design method for strengthening K-frame bridges using FRP;Report III: implementation of FRP design alternative to K-frame bridge;Report IV: guidelines for using FRP technology for strengthening bridges;
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Abstract:AbstractThe objective of this report is to provide detailed evaluation of the structural capacity of the concrete frame bridges #7930, 7931, 7937 and 7938 at Tucumcari, New Mexicoand evaluate their need for strengthening. Finite Element (FE) analysis using SAP 2000®was performed to estimate the moment and shear force demand and compare it to the existing capacity of the four bridges on I-40 at Tucumcari. The structural analysis and the strength evaluation were performed according to ASSHTO LRFD Bridge Design Specification with 2006 Interim Revision (AASHTO 2006).
The investigations showed that the four bridges do not meet the AASHTO requirements and need strengthening. The structural evaluation showed that the four bridges require strengthening at the top side (negative moment side) of the K-Frame joint. The report provides detailed information about the locations that require strengthening.
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