Fatigue Strength of Girders with Tapered Covered Plates : Final Report

436 Pages·1995·11.4 MB·English

by  Hassan, Ahmed Farouk

SCHOOL OF
CIVIL ENGINEERING
INDIANA
DEPARTMENT OF TRANSPORTATION
JOINT HIGHWAY RESEARCH PROJECT
FHWA/IN/JHRP-94/13
Final Report
FATIGUESTRENGTHOF GIRDERS
WITHTAPEREDCOVERPLATES
AhmedF.Hassan and
MarkD. Bowman
£fe
UNIVERSITY

JOINT HIGHWAY RESEARCH PROJECT
FHWA/IN/JHRP-94/13
Final Report
FATIGUESTRENGTHOF GIRDERS
WITHTAPEREDCOVERPLATES
AhmedF.Hassan and
MarkD. Bowman

TECHNICALREPORTSTANDARDTITLEPAGE
1. ReportNo. 2. GovernmentAccessionNo. 3.Recipient'sCatalogNo.
FHWA/IN/JHRP-94/13
4.TitleandSubtitle 5.ReportDate
August7,1995
FatigueStrengthofGirderswithTaperedCoverPlates
6.PerformingOrganizationCode
7.Author*si 8. PerformingOrganization ReportNo.
AhmedF.HassanandMarkD.Bowman JHRP-94/13
9. PerformingOrganizationNameandAddress 10.WorkUnitNo.
JointHighwayResearchProject
CivilEngineeringBuilding
PurdueUniversity 11. ContractorGrantNo.
WestLafayette,Indiana 47907-1284 IndianaHPR-2047
12. SponsoringAgencyNameandAddress 13. TypeofReportandPeriodCovered
IndianaDepartmentofTransportation FinalReport
StateOfficeBuilding
1000NorthSenateAvenue
Indianapolis,IN46204 14. SponsoringAgencyCode
15. SupplementaryNotes
PreparedincooperationwiththeIndianaDepartmentofHighwaysandFederalHighwayAdministrationonHPRPartIIStudy"FatigueStrengthofGirderswith
TaperedCoverPlateo."
16. Abstract
Thisreportrepresentsresultsfromastudytodeterminethefatiguestrengthofsteelbeamswithweldedpartial-lengthcoverplates. Resultsofanexperimental
investigationthatexaminedthefatiguestrengthofvariouscrackedcoverplateenddetailsthatweresubsequentlyrepairedarepresented. Therepairmethods
investigatedincludedaslip-criticalboltedspliceplateconnection,air-hammerpeening,andacombinationoftheprevioustwocalledapartialboltedsplice
connection. Also,ananalyticalmodelwasdevelopedtopredictthefatiguebehaviorofacoverplateenddetailthatisrepairedusingoneofthethreerepair
methodsinvestigatedandwhichcontainsafatiguecrackofaknownsize.
Theresultsofboththeexperimentalandanalyticalstudiesindicatethatataperedcoverplatedetailcanbeeffectivelyrepairedwithacorresponding
improvementinthefatigueresistance.
17. Keywords IS. DistributionStatement
WeldedCoverPlates,Repair,Retrofit,Fatigue,Experiments,Steel,Finite Norestrictions. ThisdocumentisavailabletothepublicthroughtheNational
Element TechnicalInformationService,Virginia,22161
19. SecurityClassify(ofthisreport) 20. SecurityClassif.(ofthispage) 21.No.ofPages 22. Price
Unclassified Unclassified 391
FormDOTF1700.7(8-69)
Digitized by the Internet Archive
in 2011 with funding from
LYRASIS members and Sloan Foundation; Indiana Department of Transportation
http://www.archive.org/details/fatiguestrengthoOOhass
FINAL REPORT
FATIGUE STRENGTH OF GIRDERS
Wrm TAPERED COVER PLATES
by
Ahmed F. Hassan
and
Mark D. Bowman
Purdue University
Department ofCivil Engineering
Joint Highway Research Project
Project No: C-36-56DD
File No: 7-4-30
In cooperation with the
Indiana Department ofTransportation
and
Federal Highway Administration
The contents ofthis report reflect the views ofthe author who is responsible for the facts
and the accuracy ofthe data presented herein. The contents do not necessarily reflect the
official views or policies of the Federal Highway Administration and the Indiana
Department ofTransportation. This report does not constitute a standard, specification or
regulation.
Purdue University
West Lafayette, IN 47907
August 7, 1995

ACKNOWLEDGEMENTS
The experimental phase ofthe research described herein was conducted in the Kettelhut
Structural Engineering Laboratory at Purdue University. The authors would like to thank Russ
Maurey, Charlie Crow, and Eric Romine for their help during the experimental phase of the
study.
The support of the Joint Highway Research Project of Purdue University, the Indiana
Department of Transportation, and the Federal Highway Administration is gratefully
acknowledged for the research described.
The authors would also like to thank the study advisory committee members for their
valuable input during this study. The advisory committee included James Karr, Joseph Torkos,
William Dittrich, and Wesley Billups from Indiana Department ofTransportation, and Thomas
Saad from Federal Highway Administration.
Ill
TABLE OF CONTENTS
Page
LIST OFTABLES xii
LIST OF FIGURES xiii
IMPLEMENTATION REPORT xx
CHAPTER
1
INTRODUCTION
1
1.1. Problem Statement 1
1.2. Objectives and Scope 1
CHAPTER
2
LriERATURE REVIEW 4
2.1. General 4
2.2. Fatigue Strength ofSteel Beams with Welded Cover Plates 5
2.2.1. Munse and Stallmeyer (1962) 5
2.2.2 Task Committee on Flexural Members (1967) 6
2.2.3. Fisher, Frank, Hirt, and McNamee (1970) 7
2.2.4. Schilling, Klippstein, Barsom, and Blake (1975) 8
2.2.5. Grundy and Teh (1985) 9
2.2.6 Yongii and Yanman (1987) 9
2.3. Improvement offatigue Strength of Steel Beams with Welded Cover Plates . . 10
2.3.1. Fisher, Sullivan and Pense (1974) 10
2.3.2. Hausammann, Fisher, and Yen (1983) 11
2.3.3. Sahli, Albrecht, and Vannoy (1984) 12