Direct Field Measurement of the Dynamic Amplification in a Bridge

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Title: Direct Field Measurement of the Dynamic Amplification in a Bridge
Authors: Carey, CiaranO'Brien, Eugene J.Malekjafarian, AbdollahLydon, MyraTaylor, Su E.
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Date: 15-Feb-2017
Abstract: In this paper, the level of dynamics, as described by the Assessment Dynamic Ratio (ADR), is measured directly through a field test on a bridge in the United Kingdom. The bridge was instrumented using fiber optic strain sensors and piezo-polymer weigh-in-motion sensors were installed in the pavement on the approach road. Field measurements of static and static-plus-dynamic strains were taken over 45 days. The results show that, while dynamic amplification is large for many loading events, these tend not to be the critical events. ADR, the allowance that should be made for dynamics in an assessment of safety, is small.
Funding Details: Irish Research Council
Science Foundation Ireland
Funding Details: Transport Infrastructure Ireland (TII)
Type of material: Journal Article
Publisher: Elsevier
Journal: Mechanical Systems and Signal Processing
Volume: 85
Start page: 601
End page: 609
Copyright (published version): 2017 Elsevier
Keywords: Field testingBridge assessmentBridge assessment dynamic ratioFiber opticWeigh-in-motion
DOI: 10.1016/j.ymssp.2016.08.044
Language: en
Status of Item: Peer reviewed
This item is made available under a Creative Commons License:
Appears in Collections:Earth Institute Research Collection
Civil Engineering Research Collection

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