2006 fhwa seismic retrofitting manual for highway structures part 1-bridges

Retrofit of existing bridges existing bridges, programmed for rehabilitation shall be evaluated for seismic vulnerability. 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 fhwa rd94052. Available through the national technical information service, 2006 ocolc961066476. Bridges, developed by mceer, to be published by the federal highway. Part 2 retaining structures, slopes, tunnels, culverts and roadways covid19 information updated 4172020 latest updates on ubs response to covid19. Federal highway administration, us department of transportation, mclean, va.

Commentary and appendices november 2001 mceer02sp01part2. May 29, 20 federal highway administration fhwa, 2006. 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 fhward94052. This manual collects and summarizes the stateoftheart practice to date, for retrofitting steel truss bridges on the highway system within the united states. Part 1 bridges defines the input variables as follows. Part 1 bridges, office of infrastructure research and development, office of infrastructure research and development, fhwa hrt06032, january 2006. 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. 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.

Seismic design recommendations transportation research board. Apr 19, 2015 fhwamceer 2006 seismic retrofitting manual for highway structures. This research was supported by the federal highway administration under contract number dtfh6192c00106. 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. Performancebased seismic loss assessment of isolated. Part 1 bridges 2006 and aashto guide specifications. This report is the first of a two part publication entitled seismic retrofitting manual for highway structures. Fib rehab retrofit memo final pierce county, washington. Ian buckle, ian friedland, john mander, geoffrey martin, richard nutt and maurice power, 2006, seismic retrofitting manual for highway structures. Seismic vulnerability assessment of retrofitted bridges. Also in the fhwa 2006 seismic retrofitting manual for highway structures, cost considerations are furnished.

Earthquake risk mitigation of lifelines and critical facilities. For example if the cost of the seismic retrofitting approaches about 75 percent of the cost of a new bridge, bridge replacement should be considered. Montana local technical assistance program publications list. Federal highway administration fhwa 2015 national bridge inventory nbi database. Based on information contained in aashto maintenance manual 1987, aashto manual for bridge maintenance 1987 and the guide for bridge maintenance management 1980, and materials contributed by state dots, the fhwa and transportation consultants. Table of contents section page montana department of. Part 1 of this manual is based on previous federal highway administration fhwa publications on this subject including seismic retrofit.

Retrofit of rectangular bridge columns using cfrp wrapping. Kennedy bridge formerly the triborough bridge is a complex of nearly two dozen bridge structures and approach viaducts and ramps, including the harlem river lift, the bronx kills truss, and a suspended span over the east river figures 1, 2, 3 and 4. Part 1 bridges, january 2006, publication fhwahrt06032. A manual for the performancebased seismic retrofitting of. Federal highway administration fhwa 2006 seismic retrofitting manual for highway structures. Earthquake engineering to extreme events university at buffalo 212 ketter hall buffalo, ny 142604300 p. Fhwa hrt06032 and part 2retaining structures, slopes, tunnels, culverts. The manual introduces a performancebased retrofit philosophy similar to that used for the performancebased design of new buildings and bridges. The 2094b course also focuses on interactions between the geotechnical specialist and the bridge design engineer in the seismic design process. Inelastic structural analysis of reinforcedconcrete and. Part 2 retaining structures, slopes, tunnels, culverts and roadways, august 2004, publication fhwahrt05067. This manual is a synthesis of the previous manuals and the recent results from research and lesions learned from postearthquake investigations.

Part 1 bridges, january 2006, publication fhwa hrt06032. It is based on a previous edition of the manual, but updated with information on recent seismic research and professional practice. Federal highway administrations seismic retrofitting manual for highway structures. Pdf seismic retrofitting manual for highway structures. As a key difference from fhwas guidelines, criteria for selecting earthquake ground motions are based on bridge anticipated service life.

Jun 23, 20 these guidelines are based on and are supplementary to the seismic retrofitting manual for highway structures part 1. Part 1 bridges 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 retrofittingggy manual for highway bridges fhwa report 94052 2006. Lastly, the final lesson of the course addresses screening, evaluation, and selection of retrofit strategies and measures following closely to the philosophy and process described in the fhwa seismic retrofitting manual for highway structures. Part 2 of this manual provides guidance on the assessment and retrofitting of other tyical highway structures. Residual seismic performance of reinforced concrete bridge piers after moderate earthquakes, aci structural journal, v. Oct 11, 2015 fhwa 2006 seismic retrofitting manual for highway structures. Pdf seismic vulnerability assessment of retrofitted bridges. Fhwa seismic retrofitting manual for highway structures part 1 bridges and part 2 retaining structures, etc. Consultant resources illinois department of transportation. Fhwa, evaluating scour at bridges, fourth edition, fhwanhi01001, federal highway administration, may 2001. Bridge design wg11 of the european association for. These guidelines are based on and are supplementary to the seismic retrofitting manual for highway structures part 1.

Bridges referred to in these guidelines as the bridge retrofitting manual, developed by the multidisciplinary center for earthquake engineering research mceer, to be published by the federal highway administration fhwa in. Fhwa seismic retrofitting manual for highway structures. Aashto guide specifications for lrfd seismic bridge design, 2nd edition, 2011 3. Part 1 bridges, which present the most current advances in retrofitting and earthquake engineering techniques. Structures transportation performance management 8 transportation planning 151. Fhwa 2006 seismic retrofitting manual for highway structures. These guidelines are a supplement to the 2006 fhwa seismic retrofitting manual for highway structures for unusual or long span steel trusses. Nov 11, 2014 these guidelines are based on and are supplementary to the seismic retrofitting manual for highway structures part 1. This new edition expanded the coverage of the previous publication by including procedures for evaluating and retrofitting retaining structures, slopes. As a key difference from fhwa s guidelines, criteria for selecting earthquake ground motions are based on bridge anticipated service life. Prioritization of highway bridges for seismic retrofitting.

Seismic retrofitting guidelines for complex steel truss highway bridges, august 2006, publication mceer06sp05. Federal highway administration, office of research, development and technology, turnerfairbank highway research center. Seismic retrofitting guidelines for complex steel truss. Part 2 retaining structures, slopes, tunnels, culverts and roadways, august 2004, publication fhwa hrt05067. Part 1 bridges, office of infrastructure research and development, office of infrastructure research and development, fhwahrt06032, january 2006. National highway institute national highway institute.

Seismic retrofitting manual for highway structures fhwa report part 1. Part 2 of this manual provides guidance on the assessment and retrofitting of other typical highway structures. Pdf fhwa seismic retrofitting of highway truss bridges. Bridges, developed by mceer, to be published by the. What is the minimum factor of safety against liquefaction. Department of transportation, federal highway administration, seismic retrofitting manual for highway structures. Part 1 of this manual focuses on highway bridges, and is a replacement for the federal highway administration fhwa publication seismic retrofitting manual.

Whereas part 1 maintains the basic format of the retrofitting process. For the evaluation and upgrading conventional bridges, fhwa s seismic retrofitting manual for highway structures. Seismic design recommendations university transportation. Seismic codes pren 15129 antiseismic devices clause 4 of the draft agenda of the 8th meeting of centc 340 afnor paris, 2006 071920 circulated on 2006 0612. Revisions have been made to include current advances in earthquake. Part 2 retaining structures, slopes, tunnels, culverts and roadways, fhwa hrt. It also was developed by mceer with the sponsorship of fhwa. These guidelines are a supplement to the 2006 fhwa seismic retrofitting manual for highway structures for. Fhwa mceer 2006 seismic retrofitting manual for highway structures. Seismic retrofitting manual for highway structures.

Seismic rectrofitting guidlines for complex steel truss. Part 2 retaining structures, slopes, tunnels, culverts and roadways. The popularity of pushover analysis is mainly due to its ability to identify the failure modes of bridge piers and provide the progressive collapse. 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. N is the recommended support length measured from the normal to the face of an abutment or pier mm l is the length of the bridge deck from the seat to the adjacent expansion joint, or to the end of the. Sap2000 linear and nonlinear static and dynamic analysis and design of threedimensional structures.

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 bridges 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 fhwa rd94052. Performancebased seismic loss assessment of isolated simply. Part 1 bridges 2006 will be referenced in the lectures. 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 fhward94052. Seismic retrofitting guidelines for highway bridgg p es fhwa report 83007 1995. Part one of this twovolume set provides procedures for screening, evaluation, and retrofitting highway bridges.

Earthquake risk mitigation of lifelines and critical. Fhwa, bridge inspectors reference manual birm, federal highway administration,2002, revised 2012. Pdf proposed framework for the performancebased seismic. Seismic retrofitting manuals for highway bridges 1983. The results of the control and retrofitted specimens will be compared with fhwahrt0603 seismic retrofitting manual for highway structures. The guidelines cover all major aspects pertinent to the seismic retrofitting of steel truss bridges, with a focus on superstructure retrofit. Part 1 of this manual focuses on highway bridges, and is a replacement for the federal highway administration fhwa publication seismic. Download a pdf of seismic retrofitting manual for highway structures. Part 1 bridges and part 2 retaining structures, slopes, culverts and roadways. 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.

The following codes and specifications have been referenced for this seismic evaluation study. Also published as special publication, mceer06sp10, multidisciplinary center for earthquake engineering research, buffalo ny. Fhwa seismic retrofitting of highway truss bridges. Parametric study of medium span bridges retrofitted with.

There was a great deal of interest in the new manual, with nearly 60 people attending the workshop, says yen. Seismic solutions for infrastructure on display at. For the evaluation and upgrading conventional bridges, fhwas seismic retrofitting manual for highway structures. However, because of the newly adopted lrfd guide specifications for the seismic design of highway bridges prepared by roy imbsen by the aashto highway subcommittee on bridges and structures and the publication of 2006 edition of the seismic retrofitting manual for highway structures. Fhwa s new seismic retrofitting manual for highway structures made its debut at a special preconference workshop on september 17. 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. Design guides, the following are included in the download. A new fhwa manual entitled seismic retrofitting manual for highway structures. What is the minimum factor of safety against liquefaction to ensure that no mitigation measures are required. Bridge inspectors manual for movable bridges, federal highway administration, 1977. Seismic design of bridges nysdot policy and practices. Aashto lrfd bridge design specifications, 7th edition, 2014 4.