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Author(s):	Kuhlmann, Ulrike; Maier, Philippa; Zinke, Tim; Ummenhofer, Thomas; Pfaffinger, Marjolaine; Mensinger, Martin; Schneider, Sarah; Lenz, Katrin; Beck, Tabea; Friedrich, Heinz
Title:
Abstract:	Brückenbauwerke werden für eine sehr lange Lebensdauer geplant und errichtet. Vor allem für Straßenbrücken ist bei der Beurteilung eine Abkehr von den reinen Herstellungskosten in Richtung einer lebenszyklusorientierten, ganzheitlichen Bewertung voranzutreiben. Durch die Bottom-Up-Analysen an Realbauwerken, die typische Autobahnbrücken mittlerer Spannweite repräsentieren, wurden detaillierte Untersuchungen durchgeführt. Die Resultate von Lebenszykluskostenrechnungen, Ökobilanzierung und Berechnungen von externen Effekten werden hier für drei Varianten von Autobahnbrücken dargestellt und analysiert. Analyses of steel-composite bridges according to sustainability - holistic assessment of motorway crossings with quantitative methods. Bridges are designed and built for a long life-cycle. For motorway bridges concerning the assessment in view of sustainability no longer construction costs should be decisive. By using a bottom-up approach representative bridges are analyzed representing typical solutions of medium span highway bridges. Results of life-cycle cost analyses, life-cycle environmental analyses and calculations of external effects are shown and analyzed for three variants of motorway crossings.
Source:	Stahlbau 83 (2014), No. 7
Page/s:	476-486
Language of Publication:	German

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