Image processing, analysis, and management tools for gusset plate connections in steel truss bridges.

Higgins, Christopher; Gillins, Daniel T.; Scott, Michael; Todorovic, Sinisa; Javadnejad, Farid; Varakantham, Shravya; Oregon State University. School of Civil and Construction Engineering

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Image processing, analysis, and management tools for gusset plate connections in steel truss bridges.

2016-10-01
By Higgins, Christopher ; Gillins, Daniel T. ; Scott, Michael ; ...

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English

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Details:

Creators:

Higgins, Christopher ; Gillins, Daniel T. ; Scott, Michael ; Todorovic, Sinisa ; Javadnejad, Farid ; ... More +

Higgins, Christopher ; Gillins, Daniel T. ; Scott, Michael ; Todorovic, Sinisa ; Javadnejad, Farid ; Varakantham, Shravya Less -
Corporate Creators:

Oregon State University. School of Civil and Construction Engineering
Corporate Contributors:

Transportation Pooled Fund Program ; Oregon State Highway Division. Research Section ; United States. Federal Highway Administration

Transportation Pooled Fund Program ; Oregon State Highway Division. Research Section ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Element Analysis Finite Geographic Information Systems Gusset Plates Image Processing Steel Bridges Steel Truss Bridges Truss Bridges
Publication/ Report Number:

FHWA-OR-RD-17-01
Resource Type:

Tech Report
Geographical Coverage:

Oregon
Corporate Publisher:

Transportation Pooled Fund Program
Abstract:

This report details the research undertaken and software tools that were developed that enable digital

images of gusset plates to be converted into orthophotos, establish physical dimensions, collect

geometric information from them, and conduct specification-based and nonlinear finite element

analyses of the connections. A software package, GussetImageProcessing.jar, was written that allows

the user to process the images, remove the perspective, establish scale, identify the gusset plate

boundaries, identify and group fasteners to truss members, and collect the geometric information to

conduct AASHTO-LRFR connection ratings on the processed digital images. A separate software

package, zGusset.tcl, uses the open-source program OpenSees as the analysis engine and is used to

perform non-linear finite element analysis of a gusset plate model. To organize and query the

collection of large numbers of high-fidelity quantitative images, a new approach was developed using

Geographic Information System (GIS) to link images spatially across various geometric scales,

temporally across inspection intervals, and to associate relevant metadata to the image view.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:ee00389c3de6cdc65b3ef46ee8f78ccb8486a4afba51ae1ae18423b314f576df
Download URL:

https://rosap.ntl.bts.gov/view/dot/31428/dot_31428_DS1.pdf
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Image processing, analysis, and management tools for gusset plate connections in steel truss bridges.

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