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Calculating an Influence Line from Direct Measurements
Date Issued
2006-03
Date Available
2013-01-16T16:31:41Z
Abstract
The response of a bridge to a pre-weighed truck can be
measured on site. This paper describes a mathematical
method for converting the measured response of a load
effect into an influence line for that effect. One influence
ordinate is calculated for each scan of the data acquisition
system. The vector of ordinates is found by solving a large
set of simultaneous equations expressed in matrix form.
The general form of the matrices is described, and the
particular matrices for a three-axle truck are given.
The technique is demonstrated using measured strain
on two bridges using pre-weighed trucks with different
numbers of axles.
Type of Material
Journal Article
Publisher
Institution of Civil Engineers
Journal
Bridge Engineering, Proceedings of the Institution of Civil Engineers
Volume
159
Issue
BE1
Start Page
31
End Page
34
Copyright (Published Version)
2006, ICE Publishing Ltd
Keywords
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
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Calculating an influence line from direct measurements_2006.pdf
Size
256.69 KB
Format
Owning collection
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