Steel Bridge Design Handbook Design Example 4: Three-Span Continuous Straight Composite Steel Tub Girder Bridge

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

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Steel Bridge Design Handbook Design Example 4: Three-Span Continuous Straight Composite Steel Tub Girder Bridge

2015-12-01
By Chavel, Brandon W. ; Carnahan, James

[PDF-3.11 MB]

English

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Details:

Creators:

Chavel, Brandon W. ; Carnahan, James

Chavel, Brandon W. ; Carnahan, James Less -
Corporate Creators:

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

HDR, Inc.
Subject/TRT Terms:

[+]

Bridge Design Continuous Girder Bridges Design Example Handbooks Lateral Bracing Steel Box Girder Steel Bridge Steel Bridges Steel Tub Girder
Publication/ Report Number:

FHWA-HIF-16-002 – Vol. 24
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 are often selected over I-girders because of their pleasing appearance offering a smooth, uninterrupted, cross section. Bracing, web stiffeners, utilities, and other structural and nonstructural components are typically hidden from view within the steel tub girder, resulting in the tub girder’s clean appearance. Additionally, steel tub girder bridges offer advantages over other superstructure types in terms of span range, stiffness, durability, and future maintenance. This design example demonstrates the design of a tangent three-span continuous composite tub girder bridge with a span arrangement of 187.5 ft - 275.0 ft - 187.5 ft. This example illustrates the flexural design of a section in positive flexure, the flexural design of a section in negative flexure, the shear design of the web, the evaluation of using a stiffened versus an unstiffened bottom flange in the negative flexure region, as well as discussions related to top flange lateral bracing and bearing 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:sha256:2c9dd5810295a100dae3c561ed119001da5ff66698ecab326c694fb59f790986
Download URL:

https://rosap.ntl.bts.gov/view/dot/42899/dot_42899_DS1.pdf
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Steel Bridge Design Handbook Design Example 4: Three-Span Continuous Straight Composite Steel Tub Girder Bridge

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