Behaviour of hogging moment regions of composite bridges and buildings

European Commission Directorate-General For Research And Innovation

Description

Properties and service performance
Industrial research and development

Informations

• Publié par: EUROPEAN-COMMISSION-DIRECTORATE-GENERAL-FOR-RESEARCH-AND-INNOVATION
• Nombre de lectures: 7
• Langue: English
• Poids de l'ouvrage: 4 Mo

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ISSN 1018-5593 * » *
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European Commission
technical steel research
Properties and service performance
Behaviour of hogging moment regions of
composite bridges and buildings
STEEL RESEARCH European Commission
technical steel research
Properties and service performance
Behaviour of hogging moment regions of
composite bridges and buildings
M. O'Connor, D. Martin
The Steel Construction Institute
Silwood Park
Ascot (Berkshire) SI5 7QN
United Kingdom
Contract No 7210-KD/808
1 October 1988 to 30 September 1991
Final report
Directorate-General XII
Science, Research and Development
1996 EUR 15513 EN LEGAL NOTICE
Neither the European Commission nor any person acting on
behalf of the Commission is responsible for the use which might be made of the
following information
Cataloguing data can be found at the end of this publication
Luxembourg: Office for Official Publications of the European Communities, 1996
ISBN 92-827-6192-4
© ECSC-EC-EAEC, Brussels • Luxembourg, 1996
Reproduction is authorized, except for commercial purposes, provided the source is acknowledged
Printed in Luxembourg CONTENTS
Page
LIST OF TABLES 5
LISTE DES TABLEAUX 7
VERZEICHNIS DER TABELLEN 9
LIST OF FIGURES 11
LISTE DES FIGURES 2
VERZEICHNIS DER ABBILDUNGEN 33
SUMMARY 45
RESUME6
ZUSAMMENFASSUNG7
1. INTRODUCTION -9
2. BRIDGE DESIGN SURVEY 50
2.1 Introduction
2.2 Conclusions
3. LITERATURE REVIEW1
3.1 Introduction
3.2 Theoretical Work
3.2.1 Codified methods of design 5
3.2.2 Alternative methods of design3
3.3 Experimental Work6
4. EXPERIMENTAL WORK7
4.1 Introduction 5
4.2 Phase 1 Tests
4.2.1 TestU2
4.2.23 60
4.3 Phase 2 Tests3
4.3.1 TestU4
4.3.256
4.3.3 Test U5 - Local U-frame Tests9 5. NUMERICAL WORK 70
5.1 Introduction
5.2 Nottingham University FE Modelling1
5.2.1 Feasibility study
5.2.2 Model development3
5.2.3 Parametric Study5
5.3 The Steel Construction Institute FE Modelling 77
5.3.1 Model Development8
5.3.2 Numerical Modelling Correlation with Experimental Work 79
6. DISCUSSION 89
6.1 Experimental Work
6.2 Numerical Work 94
7. CONCLUSIONS
8. ACKNOWLEDGEMENTS 100
9. REFERENCES1
APPENDIX A-BRIDGE DESIGN SURVEY
A.l Form of Survey7
A. 1.1 Questionnaire
A. 1.2 Interviews 10
A.2 The Participants8
A.2.1 County Councils and Regional Councils 10
A.2.2 Consultants9
A.2.3 Municipal District Councils
A.2.4 London Boroughs
A.2.5 Fabricators
A.2.6 Department of Transport (UK)
A.2.7 British Railways 110
A.2.8h Waterways
A.3 Response Levels
A.3.1 Comments on responses by classification 111
A.4 Results2
A.4.1 Question 1 - Design against lateral torsional buckling3
A.4.2n 2 - Future Trends 12
A.5 Interviews 125
A.6 Conclusions6
FIGURES8 LIST OF TABLES
Page
Table 4.1 Tensile Properties of Specimen U2 Components 63
Table 4.2 Dimensions of Specimen U2 Universal Beams
Table 4.3 Tensile Properties of Specimen U3 Components6
Table 4.4 Dimensions of Specimen U3 Universal Beams 6
Table 4.5 Tensile Properties of Specimen U4 ' 69
Table 4.6 Dimensions of Specimen U4 Plate Girders 70
Table 4.7 Tensile Properties of Specimen U5 Components2
Table 4.8 Dimensions of Specimen U5 Plate Girders
Table 5.1 Classification of Bottom Flange Slenderness for Analysis Group One 81
Table 5.2 n of Bottom Flanges for Analysis Group Two 81
Table 5.3 Moment Capacity and Reduction in Strength as against Class 1 81
Section for Group One Analysis
Table 5.4 Moment Capacity and Reduction in Strength as against Class 1 82
Section for Group Two Analysis
Table 5.5 Summary of U2 Numerical Modelling Results 85
Table 5.6 Summary of U3 Numerical Modelling Results7
Table 5.7 Summary of U4 (Unbraced) Numerical Modelling Results 90
Table 5.8 Summary of U4 (Braced) Numerical Modelling Results1
Table 5.9 Summary of U5 Numerical Modelling Results 93
Table 6.1 Predicted and Observed Failure Moments for Tests U2 and U3 95
Table 6.2 Comparison of Test U4 and Test U5 Failure Moments8
Table 6.3 Predicted and Observed Failure Moments for Tests U4 and U5 99 Table A. 1 Steel Bridge Design Survey - Response Status 118
Table A.2 Range of Universal Beams in Recent Designs9
Table A.3 Range of Plate Girders in Recent Designs 120
Table 2.4 Range of Spans for Typical Forms of Compression Flange Stiffening 122 LISTE DES TABLEAUX
Page
Tableau 4.1 Caracteristiques en traction des elements de l'eprouvette U2 63
Tableau 4.2 Dimensions des profiles lamines de l'eprouvette U2 6
Tableau 4.3 Caracteristiques en traction des elements de l'eprouvette U36
Tableau 4.4 Dimensions des profiles lamines de l'eprouvette U3
Tableau 4.5 Caracteristiques en traction des elements de l'eprouvette U4 69
Tableau 4.6 Dimensions des poutres a ame pleine de l'eprouvette U4 70
Tableau 4.7 Caracteristiques en traction des elements de l'eprouvette U52
Tableau 4.8 Dimensions des poutres a ame pleine de l'eprouvette U5 7
Tableau 5.1 Classification de l'elancement de l'aile inferieure pour l'analyse
du groupe un 81
Tableau 5.2 Classification de l'elancement de l'aile inferieure pour l'analyse
du groupe deux
Tableau 5.3 Resistance ultime a la flexion et reduction par rapport aux sections
de classe 1 pour l'analyse du groupe un 8
Tableau 5.4 Resistance ultime a la flexion et reduction par rapport aux sections
de classe 1 pour l'analyse du groupe deux2
Tableau 5.5 Resume des resultats de la modelisation numerique U2 85
Tableau 5.6 Resume des resultats de lan numerique U37
Tableau 5.7 Resume des resultats de la modelisation numerique U4 (contrevente) 90
Tableau 5.8 Resume des resultats de lan numerique U4 (non contrevente) 91
Tableau 5.9 Resume des resultats de la modelisation numerique U5 93
Tableau 6.1 Moments de rupture calcules et mesures pour les essais U2 et U3 95
Tableau 6.2 Comparaison des moments de rupture des essais U4 et U5 98
Tableau 6.3 Moments de rupture calcules et mesures pour les essais U4 et U5 99 Tableau A.l Enquete sur le dimensionnement des ponts mixtes - Reponses 118
Tableau A.2 Gamme de profiles lamines dans les recents dimensionnements9
Tableau A.3 Gamme de poutres a ame pleine dans les recentss 120
Tableau A.4 Gamme de portees pour les formes typiques de raidissement
de l'aile comprimee 122