This manual collects and summarizes the stateoftheart practice to date, for retrofitting steel truss bridges on the highway system within the united states. Overview of the seismic retrofitting manual for highway structures the seismic retrofitting manual for highway structures is a major revision of the federal highway administration publication seismic retrofitting manual for highway. Chapter 15 structural design requirements for designbuild. The focus of this manual is on retrofitting buildings that are subject to flooding. For the evaluation and upgrading conventional bridges, fhwas seismic retrofitting manual for highway structures. An important disadvantage of the method, however, is that it cannot be applied partially to structures, unlike most other seismic retrofitting.
Seismic retrofitting is a suitable technology for protection of a variety of structures. Seismic retrofitting manual for highway bridges, published in 1995 as report fhward94052. Buckle lead author, ian friedland, john mander, geoffrey martin, richard nutt and maurice power. 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 2 includes new procedures for determining the seismic vulnerability of other important highway system structures. In 2006 the federal highway administration fhwa published a major revision to the seismic retrofitting manual for highway bridges, published ten years. Part 2 of this manual provides guidance on the assessment and retrofitting of other tyical highway structures. This manual, which is comprised of two parts, represents the most current stateofpractice in assessing the vulnerability of highway structures to the effects of. 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.
Steps for determining src fhwa manual, 2006 10 figure 4. Seismic retrofitting process fhwa manual, 2006 5 figure 3. Manual on retrofitting of existing vulnerable school buildingsassessment to retrofitting part i iv figure 40 retrofitting works for the trusses and roof providing proper materials and detailing 33 figure 41 finishing works painting, architectural gravel installation, etc 33 figure 42 retrofitting. Part 2 retaining structures, slopes, tunnels, culverts and roadways. The purpose of this document is to describe the nysdot procedure for assessing and rating the seismic vulnerability of the bridges in new york state.
Guide specifications for lrfd seismic bridge design seismic. The scdot bridge design manual was prepared based on the 3rd. 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. This manual, which is comprised of two parts, represents the most current stateof practice in assessing the vulnerability of highway structures to the effects of. Bridge design manual 2006 the scdot bridge design manual provides engineers with standard bridge design policies and practices. Highway structures, which became the major documentation used to develop recommendations for the seismic design of new bridges. A manual for the performancebased seismic retrofitting of. Seismic retrofitting sites for existing foundations. Handbook on seismic retrofit of buildings pdf methodology to evaluate the seismic safety of a large inventory of buildings as the fema 310 report, handbook for the seismic evaluation of buildings. Part 2 retaining structures, slopes, tunnels, culverts and roadways, authormaurice s. Conclusion seismic retrofitting techniques for concrete structures. 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. Fragility curves represent the probability of a structure to experience damage levels. Seismic retrofitting guidelines for highway bridgg p es fhwa report 83007.
Retaining structures, slopes, tunnels, culverts and pavements, a multidisciplinary center for earthquake engineering research. Seismic design and retrofit manual for highway bridges. 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.
This report is the second of a twopart publication entitled seismic retrofitting manual for highway structures. Appendix a working plan transportation research board. These guidelines are based on and are supplementary to the seismic retrofitting manual for highway structures. Lrfd seismic analysis and design of bridges reference. Buckle and others published seismic retrofitting manual for highway structures find, read and cite all the research you need on researchgate. Introduction to retrofitting retrofitting is any change made to an existing structure to reduce or eliminate the possibility of damage to that structure from flooding, erosion, high winds, earthquakes, or other hazards. Introduction since the hyogoken nanbu earthquake kobe earthquake of 1995, the seismic design standards for highway bridges have been revised. 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. Earthquake engineering to extreme events university at buffalo 212 ketter hall buffalo, ny 142604300 p. Part 2 of this manual provides guidance on the assessment and retrofitting of typical highway structures. Geotechnical design manual chapter 6 seismic design. In 2006, fhwa issued the final products of this research, seismic retrofitting manual of highway structures part i bridges fhwahrt06032 and part ii retaining structures. It presents the basic principles of seismology, structural dynamics and structural form as they relate to highway bridge structures. Seismic retrofitting manuals for highway bridges 1983.
Because most of the retrofit work encompasses deteriorated elements, the repairreplacement is designed in such a way that it also enhances the seismic resistance of the entire structure. Part 2 of this manual provides guidance on the assessment and retrofitting of other typical highway structures. Part 1bridges fhwa january 2006 part 1 of this report focuses on highway. Seismic retrofitting techniques for concrete structures. This procedure is part of the nysdot seismic evaluation and retrofit program for highway. Bridges to cover the seismic retrofit of both ordinary steel truss highway bridges and of seismicallycomplex and longspan steel truss highway. Eli h hil hf i i fii iexplain the philosophy for seismic retrofitting structures in accordance with the fhwa manual. Index seismic retrofitting manual for highway structures. Part 2 retaining structures, slopes, tunnels, culverts, and roadways publication no. Retrofit of existing bridges existing bridges, programmed for rehabilitation shall be evaluated for seismic vulnerability. This report is the first of a twopart publication entitled seismic retrofitting manual for highway structures. Pdf seismic retrofitting manual for highway structures.
Buckle and others published seismic retrofitting manual for highway structures find, read and cite all the. Part 1 of this manual is based on previous federal highway administration fhwa publications on this subject including seismic retrofitting manual for highway. It is, therefore, now necessary to perform seismic retrofitting of existing structures that have not been damaged. Part 2 retaining structures, slopes, tunnels, culverts and roadways mceer.
Seismic design of bridges nysdot policy and practices. This new edition expanded the coverage of the previous publication by including procedures for evaluating and retrofitting retaining structures. This manual is a guide to the seismic design of bridges. Download a pdf of seismic retrofitting manual for highway structures. Seismic retrofitting truss highway bridges, which is the subject of this paper, specifically extends the seismic retrofit provisions of the seismic retrofitting manual for highway structures, part 1. Bridges, which present the most current advances in retrofitting.
Seismic retrofitting guidelines for complex steel truss. Montana local technical assistance program publications list 2016 descriptions revised 112016 18005416671 bridges construction p2 seismic retrofitting manual for highway structures. Federal highway administrations seismic retrofitting manual for highway structures. Seismic isolation is proven to be a very effective method for protecting buildings and other structures against seismic hazards. Part 2 of this manual provides guidance on the assessment and retrofitting of typical highway structures other than bridges, including retaining walls.
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