NCHRP Synthesis 345:

Steel Bridge Erection Practices

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Size: 87 pages, 8.5 x 11

Publication Year:2005

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Authors:
Fred R Beckmann; Dennis R Mertz; Transportation Research Board
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TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 345: Steel Bridge Erection Practices examines steel bridge erection practices for I-girder, tub-girder, and box-girder bridges; particularly curved, skewed, and staged structures. The report focuses on the impact of design and analysis ...
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Table of Contents
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Front Matter	i-ix
Summary	1-1	(skim)
Terminology	2-3	(skim)
Responses to Questionnaires	4-4	(skim)
Fabrication	5-5	(skim)
Erection	6-7	(skim)
Field Connection Practices	8-8	(skim)
Key Issues for a Properly Erected Bridge	9-9	(skim)
Where Does Responsibility for Stability Lie?	10-10	(skim)
General Considerations	11-11	(skim)
Unanticipated Distortion	12-12	(skim)
General Comments on Problems	13-13	(skim)
Girder Stability	14-14	(skim)
Unanticipated Distortion	15-15	(skim)
Findings for Owners	16-16	(skim)
Findings for Erectors	17-18	(skim)
References	19-19	(skim)
Appendix A - Survey Questionnaire	20-29	(skim)
Appendix B - Survey Responses	30-77	(skim)
Abbreviations used without definitions in TRB publications	78-78	(skim)

Description

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 345: Steel Bridge Erection Practices examines steel bridge erection practices for I-girder, tub-girder, and box-girder bridges; particularly curved, skewed, and staged structures. The report focuses on the impact of design and analysis practices on erection; methods used to predict erection deflections as a function of bridge type and complexity; shop-assembly practices and alternate methods of ensuring properly assembled geometry; stability issues; field connection practices; examples of structures in which erection practices have caused problems; owner requirements for erection procedures, implementation of requirements, and the impact of procedures on the quality of erection; and current and proposed research.

NCHRP Synthesis 345:

Steel Bridge Erection Practices

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