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Structural health monitoring and bri...

Xiao, Feng.

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Structural health monitoring and bridge condition assessment.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Structural health monitoring and bridge condition assessment./
Author:	Xiao, Feng.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
Description:	145 p.
Notes:	Source: Dissertation Abstracts International, Volume: 78-02(E), Section: B.
Contained By:	Dissertation Abstracts International78-02B(E).
Subject:	Civil engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10145769
ISBN:	9781369011999

Structural health monitoring and bridge condition assessment.
Xiao, Feng.

Structural health monitoring and bridge condition assessment. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 145 p.

Source: Dissertation Abstracts International, Volume: 78-02(E), Section: B.

Thesis (Ph.D.)--University of Alaska Fairbanks, 2016.

This research is mainly in the field of structural identification and model calibration, optimal sensor placement, and structural health monitoring application for large-scale structures. The ultimate goal of this study is to identify the structure behavior and evaluate the health condition by using structural health monitoring system. To achieve this goal, this research firstly established two fiber optic structural health monitoring systems for a two-span truss bridge and a five-span steel girder bridge. Secondly, this research examined the empirical mode decomposition (EMD) method's application by using the portable accelerometer system for a long steel girder bridge, and identified the accelerometer number requirements for comprehensively record bridge modal frequencies and damping. Thirdly, it developed a multi-direction model updating method which can update the bridge model by using static and dynamic measurement. Finally, this research studied the optimal static strain sensor placement and established a new method for model parameter identification and damage detection.

ISBN: 9781369011999Subjects--Topical Terms:

860360
Civil engineering.

Structural health monitoring and bridge condition assessment.
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300 $a 145 p.
500 $a Source: Dissertation Abstracts International, Volume: 78-02(E), Section: B.
500 $a Adviser: J. Leroy Hulsey.
502 $a Thesis (Ph.D.)--University of Alaska Fairbanks, 2016.
520 $a This research is mainly in the field of structural identification and model calibration, optimal sensor placement, and structural health monitoring application for large-scale structures. The ultimate goal of this study is to identify the structure behavior and evaluate the health condition by using structural health monitoring system. To achieve this goal, this research firstly established two fiber optic structural health monitoring systems for a two-span truss bridge and a five-span steel girder bridge. Secondly, this research examined the empirical mode decomposition (EMD) method's application by using the portable accelerometer system for a long steel girder bridge, and identified the accelerometer number requirements for comprehensively record bridge modal frequencies and damping. Thirdly, it developed a multi-direction model updating method which can update the bridge model by using static and dynamic measurement. Finally, this research studied the optimal static strain sensor placement and established a new method for model parameter identification and damage detection.
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650 4 $a Applied mathematics. $3 2122814
650 4 $a Mechanical engineering. $3 649730
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