Load Rating of Existing Continuous Stringers on Louisiana’s Bridges: Research Project Capsule [18–4ST]

Sun, C. Shawn; Louisiana Tech University

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Load Rating of Existing Continuous Stringers on Louisiana’s Bridges: Research Project Capsule [18–4ST]

2018-06-01
By Sun, C. Shawn

[PDF-200.94 KB]

English

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Creators:

Sun, C. Shawn
Corporate Creators:

Louisiana Tech University
Contributors:

Rupnow, Tyson ; Alaywan, Walid R.

Rupnow, Tyson ; Alaywan, Walid R. Less -
Corporate Contributors:

Louisiana. Department of Transportation and Development ; Louisiana State University (Baton Rouge, La.) ; Louisiana Transportation Research Center

Louisiana. Department of Transportation and Development ; Louisiana State University (Baton Rouge, La.) ; Louisiana Transportation Research Center Less -
Subject/TRT Terms:

[+]

Bridges Bridges And Other Structures Highways Load Factor Stringers
Publication/ Report Number:

1 8-4ST
Resource Type:

Tech Report
Geographical Coverage:

Louisiana ; United States

Louisiana ; United States Less -
TRIS Online Accession Number:

01669059
Corporate Publisher:

Louisiana Transportation Research Center
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures
Abstract:

In accordance with Louisiana Department of Transportation and Development (DOTD) policies and guidelines for bridge rating and evaluation, all bridges shall be rated using the Load and Resistance Factor Rating (LRFR) method as specified by the American Association of State Highway and Transportation Officials (AASHTO). Both local buckling and lateral torsional buckling (LTB) are considered when determining flexural resistance of a girder compression flange. LTB resistance is determined for uniform major-axis bending moment, and a moment gradient factor (Cb) is applied to account for the effects of variable moment along an unbraced girder length.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:1afba20ec1666794f474c6a3ece541be9a05d7078adde168bbd9ded3b281ec2f
Download URL:

https://rosap.ntl.bts.gov/view/dot/36894/dot_36894_DS1.pdf
File Type:

No Additional Files

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Load Rating of Existing Continuous Stringers on Louisiana’s Bridges: Research Project Capsule [18–4ST]

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