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Download ebook Framework of Damage Detection in Vehicle-Bridge Coupled System

یکشنبه 28 تیر 1394  05:20 ب.ظ

Framework of Damage Detection in Vehicle-Bridge Coupled System by Cai Steve C S
Framework of Damage Detection in Vehicle-Bridge Coupled System
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Author: Cai Steve C S
Number of Pages: 260 pages
Published Date: 14 Jun 2013
Publisher: LAP Lambert Academic Publishing
Publication Country: United States
Language: English
ISBN: 9783659402692
File Name: Framework.of.Damage.Detection.in.Vehicle-Bridge.Coupled.System.pdf
Download Link: Framework of Damage Detection in Vehicle-Bridge Coupled System
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Most vibration-based damage identification methods make use of measurements directly from bridge structures with attached sensors. The present study aimed to develop new methodologies to eventually detect bridge damages such as scour using the dynamic response of the vehicle. A framework of damage identification and an optimization method was developed first. Secondly, a new methodology using the transmissibility of vehicle and bridge responses was developed to detect bridge damages. Then, a tractor-trailer test system was designed to obtain reliable response and extract bridge modal properties from the dynamic response of moving vehicles. These developed methodologies were applied to detect scour damage from the response of bridge and/or vehicles. The scour effect on a single pile was studied and methods of scour damage detections were proposed. A monitoring system using fiber optic sensors was designed and tested in the laboratory and is being applied to a field bridge. Finally, the scour effect on the response of the entire bridge and the traveling vehicle was also investigated under the bridge-vehicle-wave interaction, which in turn was used to detect the bridge scour.

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