2006 fhwa seismic retrofitting manual for highway

In a parallel report, seismic retrofit guidelines were developed for utah based on the seismic retrofitting manual for highway structures published by fhwa. Pdf seismic retrofitting manual for highway structures. It extends the guidance provided in the earlier federal highway administration fhwa manuals originally issued 1983 and updated in 1995, based on recent experiences in california, japan, and other countries, as well as the results of comprehensive research programs that have been sponsored by fhwa, mceer, caltrans, and other agencies. Fhwa seismic retrofit manual dual level ground motions 100 and yr. Highway administration fhwa, 2006 as a supplemental reference for seismic retrofit design. Part ibridges fhwa, 2006 adopted pushover analysis in evaluation method d2 for bridges of seismic retrofit categories c and d src c and src d to assess bridge seismic performance. Seismic retrofit case study of reinforced concrete bridges. Search for transportation training courses from the national highway institute nhi and download the nhi course catalog. Inelastic structural analysis of reinforcedconcrete and.

The guidelines developed here are based on the federal highway administrations seismic retrofitting manual for highway structures. This new edition expanded the coverage of the previous publication. Buckle lead author, ian friedland, john mander, geoffrey martin, richard nutt and maurice power. This manual, which is comprised of two parts, represents the most current stateofpractice in assessing the vulnerability of highway structures to the effects of earthquakes, and implementing retrofit measures to improve performance. Part 1bridges 2006 will be referenced in the lectures. Seismic retrofitting manual for highway bridges fhwa 2006, which is a replacement for fhwa 1995, contains proced ures f or preliminary screening proc ess t o i dentify a nd pr ioritize. Revisions have been made to include current advances in earthquake. These guidelines are a supplement to the 2006 fhwa seismic retrofitting manual for highway structures for unusual or long span steel trusses. Part 1 of this manual focuses on highway bridges, and is a replacement for the federal highway administration fhwa publication seismic. Seismic design aids for nonlinear pushover analysis of. Part 1 of this manual focuses on highway bridges, and is a replacement for the federal highway administration fhwa publication seismic retrofitting manual. These guidelines are based on and are supplementary to the seismic retrofitting manual for highway structures part 1. A manual for the performancebased seismic retrofitting of.

Then, also as mentioned earlier, fhwa published seismic retrofitting manual of highway structurespart i and part ii. Part one of this twovolume set provides procedures for screening, evaluation, and retrofitting highway bridges. New information added includes current advances in earthquake engineering, field experiences with retrofitting highway bridges, and the performance of bridges in recent earthquakes in california and elsewhere. Part 1 of this manual is based on previous federal highway administration fhwa publications on this subject including seismic retrofitting manual for highway bridges, published in 1995 as report fhwa rd94052. Seismic retrofitting methods used in the united states have been investigated for applicability in the state of utah. Vulnerability rating the purpose of this step is to provide a uniform measure. Nov 11, 2014 this manual, entitled seismic retrofitting guidelines for complex steel truss highway bridges referred to as guidelines in this document, collects and summarizes the stateofthepractice, up to 2005, for retrofitting steel truss bridges on the highway system within the united states. Lrfd seismic analysis and design of bridges reference manual. This manual is intended to provide a technical resource for bridge engineers responsible for seismic analysis and design. Part 1 of this manual is based on previous federal highway administration fhwa publications on this subject including. The popularity of pushover analysis is mainly due to its ability to identify the failure modes of bridge piers and provide the progressive collapse. Details and procedures for the design of ovalshaped steel jackets are provided in fhwa seismic retrofitting manual for highway bridges 2006. Part 1 bridges, office of infrastructure research and development, office of infrastructure research and development, fhwa hrt06032, january 2006.

National highway institute national highway institute. Seismic retrofitting manual for highway structures. A new fhwa manual entitled seismic retrofitting manual for highway structures. The 2006 fhwa seismic retrofitting manual for highway structures part ibridges adopted the pushover analysis for bridges in seismic retrofit categories c and d, to assess bridge seismic capacity. In 2006 the federal highway administration fhwa published a major revision to the seismic retrofitting manual for highway bridges, published ten years. This manual is a synthesis of the previous manuals and the recent results from research and lesions learned from postearthquake investigations. Prioritization of highway bridges for seismic retrofitting. This new edition expanded the coverage of the previous publication by including procedures for evaluating and retrofitting retaining structures, slopes. A manual for the performancebased seismic retrofitting of highway bridges ian g. Part 2 of this manual provides guidance on the assessment and retrofitting of other tyical highway structures.

For example, federal highway administration fhwa has issued three editions of retrofit manual for highway bridges fhwa 1983, 1995, 2006. Geotechnical design manual chapter 6 seismic design. For the evaluation and upgrading conventional bridges, fhwas seismic retrofitting manual for highway structures. This was the first document that focused exclusively on providing nationallyapplicable guidance to the bridge design profession for seismic evaluation and retrofitting of highway bridges. Retrofit of rectangular bridge columns using cfrp wrapping. In 2006 the federal highway administration fhwa published a major revision to the seismic retrofitting manual for highway bridges, published ten years ago in 1995 fhwa, 1995. Washington state transportation center trac washington state university. The guidelines cover all major aspects pertinent to the seismic retrofitting of steel truss bridges, with a focus on superstructure retrofit. The federal highway administration fhwa has developed seismic vulnerability rating systems for bridge inventories, with the most recent version being the seismic retrofitting manual for highway structures. Part 2 retaining structures, slopes, tunnels, culverts and roadways, august 2004, publication fhwahrt05067. Fhwa ip876, seismic design and retrofit manual for highway.

The publication is a major revision of fhwa s 1995 seismic retrofitting manual for highway bridges. Buckle1 abstract in 2006 the federal highway administration fhwa published a major revision to the seismic retrofitting manual for highway bridges, published ten years ago in 1995 fhwa, 1995. Part 1 of this manual focuses on highway bridges, and is a replacement for the federal highway administration fhwa publication seismic retrofitting manual for highway bridges which was published in 1995 as report fhwa rd94052. Ductile analysis of concrete bridges for extreme events. Optimal retrofit scheme for highway network under seismic hazards. In 1983, the fhwa published general guidelines for preliminary screening and prioritizing of highway bridges for seismic retrofitting. Similarly, the 2006 fhwa seismic retrofitting manual for highway structures adopted pushover analysis in evaluation method d2 for bridges of seismic retrofit categories src c and d to assess bridge seismic performance. Sep 01, 2010 in 1995, fhwa updated these manuals with current knowledge and practical technology in the seismic retrofitting manual for highway bridges fhwa rd94052, mentioned earlier. Seismic retrofitting manual for highway structures fhwa report part 1. The fhwa manual, as modified by the bddm, was the reference used for determining seismic hazards, selecting the evaluation methods, and designing traditional retrofit measures. Part 1bridges fhwa january 2006 part 1 of this report focuses on highway bridges and is a replacement for the fhwa publication seismic retrofitting manual for highway bridges, published in 1995 as report fhward94052. Seismic retrofitting manuals for highway bridges 1983. Requests or inquiries pertinent to the heavy metal contamination in highway marking glass beads final report may be directed to the bureau of research at 609 5305966. An external restraining system for the seismic retrofit of.

To determine the seismic hazards for retrofit design, odot and fhwa utilize. The 2006 fhwa seismic retrofitting manual for highway structures. Dec 06, 2017 this manual is intended to provide a technical resource for bridge engineers responsible for seismic analysis and design. In the past the usgs national seismic hazard maps website has been used for characterizing the seismic hazard for a specific site. Montana local technical assistance program publications list. Ian buckle, ian friedland, john mander, geoffrey martin, richard nutt and maurice power, 2006, seismic retrofitting manual for highway structures.

Highway safety manual federal highway administration. Part 1 bridges, office of infrastructure research and development, office of infrastructure research and development, fhwahrt06032, january 2006. Part 1 bridges, january 2006, publication fhwahrt06032. Seismic retrofittingggy manual for highway bridges fhwa report 94052 2006. This manual is an interim revision of the federal highway administration fhwa publication seismic retrofitting guidelines for highway bridges, which was published in 1983 as report no. Seismic retrofitting guidelines for complex steel truss. Seismic retrofitting manual for highway structures part 1 bridges ian g. Dec 11, 2008 failure in these specimens was due to flexural hinging in the gap region between the footing and retrofit jacket, leading to eventual lowcycle fatigue fracture of the longitudinal reinforcement. Seismic retrofitting guidelines for highway bridgg p es fhwa report 83007 1995. The 2009 aashto guide specifications for lrfd seismic bridge design explicitly requires pushover analysis for seismic design category d bridges. Seismic solutions for infrastructure on display at.

The federal highway administration fhwa recently released state policies and procedures on the use of the highway safety manual hsm, an informational report for states developing policies and procedures on use of the hsm in transportation planning and programming, engineering and design, operations and maintenance, and roadway safety. An external restraining system for the seismic retrofit of existing bridges. Research retrofit of rectangular bridge columns using cfrp. Seismic vulnerability assessment of bridges for retrofitting and new design by pedram farokh a thesis submitted to the graduate schoolnew brunswick.

Bridges, developed by mceer, to be published by the federal highway administration fhwa in 2006. Seismic hazard mitigation program for highway infrastructures. This report is the first of a twopart publication entitled seismic retrofitting manual for highway structures. The manual introduces a performancebased retrofit philosophy similar to that used for the performancebased design of new buildings and bridges. It serves as a reference manual for use with the 5day national highway institute nhi 093 course lrfd seismic analysis and design of bridges, and the 3day 093a course displacementbased lrfd seismic analysis and design of bridges. Index seismic retrofitting manual for highway structures. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Seismic design of bridges nysdot policy and practices. Inelastic structural analysis can be used for bridges subjected to vessel or vehicular collision and to quantitatively.