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Structural engineering and embodied energy

Structural engineering and embodied energy Editorial The history of the theory of e , since the quantity of energy needed to produce 1 m of structures is set to continue a given structural material will depend very much on its with a focus on the absolute geometry. need to reduce the embodied Referring to Fig. 1, a beam made of a round tree trunk, energy of our structures. for example, with W = L/H, will need a lot less energy for This energy depends on its construction than a wooden truss with W = 0.2 L/H! four main parameters: lt is thus E = V ∙ e , in joules or kWh, the total embo- t m 1. The span of the structural died energy, which has to be minimized. elements or, more gener- The calculation of e is, however, a touchy issue, as ally, the dimensions L. we only (approximately) know the embodied energy of the 2. The loads they have to sup- produced material in its raw state (e.g. out of the factory port or, more generally, the for steel or from the sawmill for wood). We could call it e . forces F they have to resist. We do, however, know http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Steel Construction: Design and Research Wiley

Structural engineering and embodied energy

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Publisher
Wiley
Copyright
© 2019 Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin
ISSN
1867-0520
eISSN
1867-0539
DOI
10.1002/stco.201970304
Publisher site
See Article on Publisher Site

Abstract

Editorial The history of the theory of e , since the quantity of energy needed to produce 1 m of structures is set to continue a given structural material will depend very much on its with a focus on the absolute geometry. need to reduce the embodied Referring to Fig. 1, a beam made of a round tree trunk, energy of our structures. for example, with W = L/H, will need a lot less energy for This energy depends on its construction than a wooden truss with W = 0.2 L/H! four main parameters: lt is thus E = V ∙ e , in joules or kWh, the total embo- t m 1. The span of the structural died energy, which has to be minimized. elements or, more gener- The calculation of e is, however, a touchy issue, as ally, the dimensions L. we only (approximately) know the embodied energy of the 2. The loads they have to sup- produced material in its raw state (e.g. out of the factory port or, more generally, the for steel or from the sawmill for wood). We could call it e . forces F they have to resist. We do, however, know

Journal

Steel Construction: Design and ResearchWiley

Published: Aug 1, 2019

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