The integration of bridge life cycle cost analysis and the value of structural health monitoring information

Guangli Du, Jianjun Qin

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Abstrakt

Life cycle cost (LCC) is a vital economic evaluation tool for effective asset management towards sustainability. Especially for bridges, their maintenance and operation cost overwhelms the cost from any other stage. One obstacle in the current bridge LCC implementation is the inherent uncertainties for the input parameters. That is, without knowing the structural performance, most of the existing LCC models are only established based on the assumptions of various life cycle parameters. For instance, the remaining ser-vice life (RSL) of structural components, a key input in LCC, is highly related to the bridge deterioration process but often assumed deterministically in bridge LCC. With the advent of advanced structural health monitoring (SHM) techniques, the structural performance can be observed from the real-time monitoring data, whereas the structural RSL can also be estimated. Here, a recognized issue is that, the trade-off between the benefit and the cost of installing the monitoring system is rarely considered in the existing bridge LCC practice, i.e. the value of information (VoI). Hence, the present paper proposes an improved LCC framework with an illustrative case study, taking account of both of the structural deterioration mechanism and the quantification of the value the SHM information.
OriginalsprogEngelsk
TitelLife Cycle Analysis and Assessment in Civil Engineering: Towards an Integrated Vision : Proceedings of the Sixth International Symposium on Life-Cycle Civil Engineering (IALCCE 2018), 28-31 October 2018, Ghent, Belgium
RedaktørerRobby Caspeele, Luc Taerwe, Dan M. Frangopol
Antal sider8
UdgivelsesstedGhent, Belgium
ForlagCRC Press
Publikationsdato29 okt. 2018
Sider2113-2120
KapitelSS10: Life-Cycle of Civil Engineering Systems
ISBN (Trykt)9781138626331
ISBN (Elektronisk)9781351857574
DOI
StatusUdgivet - 29 okt. 2018
BegivenhedThe Sixth International Symposium on Life-Cycle Civil Engineering - Ghent, Belgien
Varighed: 28 okt. 201831 okt. 2018
Konferencens nummer: 6
http://www.ialcce2018.org/#/home

Konference

KonferenceThe Sixth International Symposium on Life-Cycle Civil Engineering
Nummer6
Land/OmrådeBelgien
ByGhent
Periode28/10/201831/10/2018
Internetadresse
NavnLife-Cycle of Civil Engineering Systems

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