Introduction since the hyogoken nanbu earthquake kobe earthquake of 1995, the seismic design standards for highway bridges have been revised. In 2006 the federal highway administration fhwa published a major revision to the seismic retrofitting manual for highway bridges, published ten years. Appendix a working plan transportation research board. Part 1 of this manual is based on previous federal highway administration fhwa publications on this subject including seismic retrofitting manual for highway. Geotechnical design manual chapter 6 seismic design.
Part 2 retaining structures, slopes, tunnels, culverts and roadways mceer. Bridge design manual 2006 the scdot bridge design manual provides engineers with standard bridge design policies and practices. Part 2 retaining structures, slopes, tunnels, culverts and roadways. Seismic retrofitting techniques for concrete structures. 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 measures to improve performance.
Seismic retrofitting guidelines for highway bridgg p es fhwa report 83007. Highway structures, which became the major documentation used to develop recommendations for the seismic design of new bridges. 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. A manual for the performancebased seismic retrofitting of.
Eli h hil hf i i fii iexplain the philosophy for seismic retrofitting structures in accordance with the fhwa manual. Seismic retrofitting manual for highway structures. Seismic retrofitting sites for existing foundations. 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 earthquakes, and implementing retrofit.
Montana local technical assistance program publications list 2016 descriptions revised 112016 18005416671 bridges construction p2 seismic retrofitting manual for highway structures. 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. Fragility curves represent the probability of a structure to experience damage levels. This new edition expanded the coverage of the previous publication by including procedures for evaluating and retrofitting retaining structures. This report is the first of a twopart publication entitled 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 for highway bridges which was published in 1995 as report fhward94052. 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. It presents the basic principles of seismology, structural dynamics and structural form as they relate to highway bridge structures. For the evaluation and upgrading conventional bridges, fhwas seismic retrofitting manual for highway structures. This procedure is part of the nysdot seismic evaluation and retrofit program for highway. The scdot bridge design manual was prepared based on the 3rd. 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. This manual, which is comprised of two parts, represents the most current stateofpractice in assessing the vulnerability of highway structures to the effects of.
Seismic isolation is proven to be a very effective method for protecting buildings and other structures against seismic hazards. Buckle and others published seismic retrofitting manual for highway structures find, read and cite all the research you need on researchgate. Part 2 of this manual provides guidance on the assessment and retrofitting of other typical highway structures. Seismic retrofitting manuals for highway bridges 1983. 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. 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. Chapter 15 structural design requirements for designbuild. Index seismic retrofitting manual for highway structures. Bridges, which present the most current advances in retrofitting. Bridges to cover the seismic retrofit of both ordinary steel truss highway bridges and of seismicallycomplex and longspan steel truss highway. The focus of this manual is on retrofitting buildings that are subject to flooding. Seismic retrofitting manual for highway bridges, published in 1995 as report fhward94052.
Seismic retrofitting guidelines for complex steel truss. Part 1bridges fhwa january 2006 part 1 of this report focuses on highway. Lrfd seismic analysis and design of bridges reference. The other cd contains five appendices to the mceer technical report in pdf. Part 2 retaining structures, slopes, tunnels, culverts, and roadways publication no. Buckle lead author, ian friedland, john mander, geoffrey martin, richard nutt and maurice power. These guidelines are based on and are supplementary to the seismic retrofitting manual for highway structures. Seismic retrofitting manual for highway structures part 1 bridges ian g.
This report is the second of a twopart publication entitled seismic retrofitting manual for highway structures. Seismic retrofitting process fhwa manual, 2006 5 figure 3. Retrofit of existing bridges existing bridges, programmed for rehabilitation shall be evaluated for seismic vulnerability. Buckle and others published seismic retrofitting manual for highway structures find, read and cite all the. Pdf seismic retrofitting manual for highway structures. Part 2 includes new procedures for determining the seismic vulnerability of other important highway system structures. An important disadvantage of the method, however, is that it cannot be applied partially to structures, unlike most other seismic retrofitting. Download a pdf of seismic retrofitting manual for highway structures. Part 2 of this manual provides guidance on the assessment and retrofitting of typical highway structures. It is, therefore, now necessary to perform seismic retrofitting of existing structures that have not been damaged. 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. 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.
This manual collects and summarizes the stateoftheart practice to date, for retrofitting steel truss bridges on the highway system within the united states. Seismic design and retrofit manual for highway bridges. Federal highway administrations seismic retrofitting manual for highway structures. Seismic retrofitting is a suitable technology for protection of a variety of structures. Part 2 of this manual provides guidance on the assessment and retrofitting of typical highway structures other than bridges, including retaining walls. 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. Part 2 retaining structures, slopes, tunnels, culverts and roadways, authormaurice s. Steps for determining src fhwa manual, 2006 10 figure 4. This manual is a guide to the seismic design of bridges. 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. Seismic retrofitting manual for highway structures ebook. Part 1 of this manual focuses on highway bridges, and is a replacement for the federal highway administration fhwa publication seismic.