On CO2 efficiency and trade-offs between safety and sustainability in concrete bridge management

M. Liu, J. Olesen, P. Linneberg, D. G. Lu, M. H. Faber

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

Roadway transportation systems contribute significantly to global Green House Gas (GHG) emissions. Although there has been significant progress in identifying how to reduce embedded GHG in construction, we do not know how efficient our decisions are in creating sustainable welfare. To achieve this knowledge, it is necessary to investigate how structures contribute to economic growth, life safety, resilience and sustainability, relative to their associated embedded GHG emissions. In the present paper a framework is provided on how the GHG efficiency of different strategies for roadway bridge design and integrity management may be modelled and quantified. The application of the framework is illustrated on an example considering typical design decisions for ordinary concrete highway bridges and it is shown that optimal decision in this respect have the potential to reduce embedded GHG emissions by a factor of two.

Original languageEnglish
Title of host publicationBridge Maintenance, Safety, Management, Digitalization and Sustainability : Proceedings of the 12th International Conference on Bridge Maintenance, Safety and Management, 24-28 june 2024, Copenhagen, Denmark
EditorsJens Sandager Jensen, Dan M. Frangopol, Jacob Wittrup Schmidt
Number of pages8
PublisherCRC Press
Publication date2024
Pages3084-3091
ISBN (Print)978-1-032-77040-6, 978-1-032-77560-9
ISBN (Electronic)978-1-003-48375-5
DOIs
Publication statusPublished - 2024
Event12th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2024 - Copenhagen, Denmark
Duration: 24 Jun 202428 Jun 2024

Conference

Conference12th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2024
Country/TerritoryDenmark
CityCopenhagen
Period24/06/202428/06/2024

Bibliographical note

Publisher Copyright:
© 2024 The Author(s).

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