Calculating an Influence Line from Direct Measurements
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|Title:||Calculating an Influence Line from Direct Measurements||Authors:||O'Brien, Eugene J.
|Permanent link:||http://hdl.handle.net/10197/4046||Date:||Mar-2006||Online since:||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:||Bridge; Influence line; WIM||Language:||en||Status of Item:||Peer reviewed|
|Appears in Collections:||Civil Engineering Research Collection|
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