Effectiveness of exterior beam rotation prevention systems for bridge deck construction.

Ashiquzzaman, Md; Li, Hui; Schmeltz, Justin; Merino Calvo, Carlos; Bozkurt, Bora; Ibrahim, Ahmed; Lindquist, Will; Hindi, Riyadh; Saint Louis University. Parks College of Engineering, Aviation and Technology

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Effectiveness of exterior beam rotation prevention systems for bridge deck construction.

2016-06-01
By Ashiquzzaman, Md ; Li, Hui ; Schmeltz, Justin ; ...

[PDF-4.12 MB]

English

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Details:

Creators:

Ashiquzzaman, Md ; Li, Hui ; Schmeltz, Justin ; Merino Calvo, Carlos ; Bozkurt, Bora ; ... More +

Ashiquzzaman, Md ; Li, Hui ; Schmeltz, Justin ; Merino Calvo, Carlos ; Bozkurt, Bora ; Ibrahim, Ahmed ; Lindquist, Will ; Hindi, Riyadh Less -
Corporate Creators:

Saint Louis University. Parks College of Engineering, Aviation and Technology
Corporate Contributors:

Illinois. Department of Transportation. Bureau of Materials and Physical Research ; United States. Federal Highway Administration

Illinois. Department of Transportation. Bureau of Materials and Physical Research ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Bracing Bridge Decks Experimental Study Exterior Girder Rotation Girders Overhang Width Rotation Rotation Prevention System TAEG Program
Publication/ Report Number:

FHWA-ICT-16-015
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Illinois Center for Transportation
Abstract:

Bridge decks often overhang past the exterior girders in order to increase the width of the deck while limiting the required

number of longitudinal girders. The overhanging portion of the deck results in unbalanced eccentric loads to the exterior girders,

which are generally greatest during construction. These eccentric loads mainly come from the bridge placing and finishing

equipment as well as fresh concrete and other construction live loads that can create rotation of the exterior girders in the

transverse direction. The rotations can also affect both the global and local stability of the girders as well as the bridge. In this

study, the current bracing systems used by the Illinois Department of Transportation (IDOT) were evaluated through field

instrumentation, finite element analysis (FEA), and the use of the Torsional Analysis Exterior Girders (TAEG)) program.

Alternative bracing systems were evaluated through an experimental study and FEA. Based on this work, it is recommended that

intermediate cross frames with top and bottom angles in addition to cross-angle sections in the exterior panels be specified to

limit exterior girder rotation during construction. An alternative approach is to place transverse ties and diagonal pipes in the

exterior panels at a spacing to maintain the spacing-to-girder-depth ratio below 3.94.
Format:

PDF
Funding:

R27-140
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:fa4bb4fe06c4939ba9275b7f1a6dd77c5ce03325e81ff67047293198cefaf28a
Download URL:

https://rosap.ntl.bts.gov/view/dot/31070/dot_31070_DS1.pdf
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Effectiveness of exterior beam rotation prevention systems for bridge deck construction.

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