Connecticut permanent long-term bridge monitoring network, volume 2 : monitoring of curved post-tensioned concrete box-girder bridge : I-384 WB over I-84 in East Hartford (bridge #5686).

Scianna, Adam; Prusaczyk, Stephen; Jiang, Zhaoshuo; Christenson, Richard E.; DeWolf, John T.; Jeong-Ho Kim; Connecticut Transportation Institute

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Connecticut permanent long-term bridge monitoring network, volume 2 : monitoring of curved post-tensioned concrete box-girder bridge : I-384 WB over I-84 in East Hartford (bridge #5686).

2014-08-01
By Scianna, Adam ; Prusaczyk, Stephen ; Jiang, Zhaoshuo ; ...

[PDF-785.49 KB]

English

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Details:

Creators:

Scianna, Adam ; Prusaczyk, Stephen ; Jiang, Zhaoshuo ; Christenson, Richard E. ; DeWolf, John T. ; ... More +

Scianna, Adam ; Prusaczyk, Stephen ; Jiang, Zhaoshuo ; Christenson, Richard E. ; DeWolf, John T. ; Jeong-Ho Kim Less -
Corporate Creators:

Connecticut Transportation Institute
Corporate Contributors:

United States. Federal Highway Administration ; Connecticut. Dept. of Transportation

United States. Federal Highway Administration ; Connecticut. Dept. of Transportation Less -
Subject/TRT Terms:

[+]

Box Girder Bridges Cracking Field Studies Posttensioning Prestressed Concrete Bridges Remote Sensing Structural Health Monitoring Temperature
Publication/ Report Number:

CT-2256-3-13-4
Resource Type:

Tech Report
Geographical Coverage:

Connecticut
Corporate Publisher:

Connecticut Transportation Institute
Abstract:

This report describes the instrumentation and data acquisition for a three-span continuous, curved post-tensioned box-girder

bridge in Connecticut. The computer-based remote monitoring system was developed to collect information on the deformations,

accelerations and temperature distributions to evaluate the long-term behavior and performance of the bridge. The monitoring

system was installed in 1999, as the first system in a long-term research project to evaluate a variety of bridges in Connecticut.

The data collected over multi-year periods from normal vehicular traffic has been used to learn about long-term performance of

this bridge, resulting in a series of papers. The initial study developed an approach using histograms to better define natural

frequencies from the extensive field data. The second study explored the influence of temperature distributions on the overall

behavior of the bridge, including evaluation of the cause of cracking in both the box girders and the interior column supports. The

third study looked at the influence of temperature variations on the baseline data, needed to remove the effect of temperature

variations from data generated for long-term structural health monitoring. The final study has used the information previously

developed for both this bridge and others to establish a baseline for long-term structural health monitoring and performance

evaluation to determine if changes in the structural integrity are developing over time. The final study described in this report

identifies and quantifies different data qualification measures needed for the structural health monitoring of this bridge.
Format:

PDF
Funding:

SPR-2256
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:e434cbee8611d28b2b54a9aa0d0f080c95c5974dac82b81fa95dba50d2314a98
Download URL:

https://rosap.ntl.bts.gov/view/dot/28387/dot_28387_DS1.pdf
File Type:

No Additional Files

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Connecticut permanent long-term bridge monitoring network, volume 2 : monitoring of curved post-tensioned concrete box-girder bridge : I-384 WB over I-84 in East Hartford (bridge #5686).

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