Steel Bridge Design Handbook Design Example 5: Three-Span Continuous Horizontally Curved Composite Steel Tub-Girder Bridge

Chavel, Brandon W.; Rivera, Julie; United States. Federal Highway Administration. Office of Bridges and Structures

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Steel Bridge Design Handbook Design Example 5: Three-Span Continuous Horizontally Curved Composite Steel Tub-Girder Bridge

2015-12-01
By Chavel, Brandon W. ; Rivera, Julie

[PDF-3.33 MB]

English

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Details:

Creators:

Chavel, Brandon W. ; Rivera, Julie

Chavel, Brandon W. ; Rivera, Julie Less -
Corporate Creators:

United States. Federal Highway Administration. Office of Bridges and Structures
Corporate Contributors:

HDR, Inc.
Subject/TRT Terms:

[+]

Bolted Field Splice Box Girder Distortional Stresses Bridge Design Continuous Girder Bridges Girder Bridges Handbooks LRFD Steel Box Girder Bridge Steel Bridges Steel Tub Girder Bridge Top Flange Lateral Bracing
Publication/ Report Number:

FHWA-HIF-16-002 – Vol. 25
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report
Corporate Publisher:

United States. Federal Highway Administration. Office of Bridges and Structures
Abstract:

Tub girders, as closed-section structures, provide a more efficient cross section for resisting torsion than I-girders, which is especially important in horizontally curved highway bridges. The increased torsional resistance of a closed composite steel tub girder also results in an improved lateral distribution of live loads. For curved bridges, warping, or flange lateral bending, stresses are lower in tub girders, when compared to I-girders, since tub girder carry torsion primarily by means of St. Venant torsional shear flow around the perimeter of their closed sections, whereas I-girders have very low St. Venant torsional stiffness and carry torsion primarily by means of warping. This design example illustrates the design calculations for a curved steel tub girder bridge, considering the Strength, Service, fatigue and Constructibility Limits States in accordance with the American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) Bridge Designs specifications. Calculations are provided for design checks at particular girder locations, a bolted field splice design, an internal pier diaphragm design, and a top flange lateral bracing member design.
Content Notes:

The previous version of this Handbook was published as FHWA-IF-12-052 and was developed to be current with the AASHTO LRFD Bridge Design Specifications, 5th Edition with the 2010 Interims. FHWA-HIF-16-002 was updated in 2015 by HDR, Inc., to be current with the AASHTO LRFD Bridge Design Specifications, 7th Edition.
Format:

PDF
Funding:

DTFH6114D00049
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:d1261c628180d6973a4f46f3d684fe935de5e74b33f0c5c2491045d08bb6609b
Download URL:

https://rosap.ntl.bts.gov/view/dot/42896/dot_42896_DS1.pdf
File Type:

No Additional Files

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Steel Bridge Design Handbook Design Example 5: Three-Span Continuous Horizontally Curved Composite Steel Tub-Girder Bridge

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