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Reliability of building embodied energy modelling: an analysis of 30 Melbourne case studies

journal contribution
posted on 2008-01-01, 00:00 authored by Y Langston, Craig Langston
Building design decisions are commonly based on issues pertaining to construction cost, and consideration of energy performance is made only within the context of the initial project budget. Even where energy is elevated to more importance, operating energy is seen as the focus and embodied energy is nearly always ignored. For the first time, a large sample of buildings has been assembled and analysed in a single study to improve the understanding of the relationship between energy and cost performance over their full life cycle. Thirty recently completed buildings in Melbourne, Australia have been studied to explore the accuracy of initial embodied energy prediction based on capital cost at various levels of model detail. The embodied energy of projects, elemental groups, elements and selected items of work are correlated against capital cost and the strength of the relationship is computed. The relationship between initial embodied energy and capital cost generally declines as the predictive model assumes more detail, although elemental modelling may provide the best solution on balance.

History

Journal

Construction management and economics

Volume

26

Issue

2

Pagination

147 - 160

Publisher

Routledge

Location

London, England

ISSN

0144-6193

eISSN

1466-433X

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2008, Taylor & Francis

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