PRACTICAL Steel Tub Girder Design -中国道桥网

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资料名称:	PRACTICAL Steel Tub Girder Design
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文件来自NSBA 美国钢桥联盟，pdf共55页，全面介绍了槽形叠合梁各个部位的细部构造尺寸、设计考虑、施工方案及在美国国内的实践经验

INTRODUCTION.1
STEEL TUB GIRDER APPLICATION ISSUES2
Span Ranges.3
Curvature .3
Aesthetics .4
Durability/Maintainability .4
Economy 4
Application Issues References 5
DEPTH, WIDTH AND SPACING OF TUB GIRDERS.6
Depth-to-Span Ratios7
Tub Girder Width and Spacing .7
ANALYSIS AND DESIGN METHODS 9
Tangent Tub Girder Design Techniques and Tools 10
Approximate/Preliminary Curved Girder Design.11
Effects of Curvature, M/R Method 11
Grid Analysis .12
3-D FEA .12
GIRDER DESIGN .14
Bottom Flanges15
Webs16
Top Flanges.17
DIAPHRAGMS AND BRACING 18
General Guidelines .19
Internal Intermediate Diaphragms 19
External Intermediate Diaphragms 20
Internal Diaphragms at Supports.22
External Diaphragms at Supports.23
Top Flange Lateral Bracing.24
MISCELLANEOUS DETAILS AND ISSUES26
Flange-to-Web Welds and Shear Studs.27
Bearings .27
Bridge Decks 28
Field Splices 28
Detailing .29
Material Selection 30
Painting 31
PRACTICAL EXAMPLES.32
IH-35/US 290 Interchange, Austin, Texas33
Various TxDOT Houston Projects 33
US 75 Underpass at Churchill Way, Dallas, Texas 34
CONCLUSION36
REFERENCES38
APPENDIX A: Computer Design Tools 42
APPENDIX B: Example Design Details .43