Design for disassembly as an alternative sustainable construction approach to life-cycle-design of concrete buildings

Publikation: Qualifikations-/Studienabschlussarbeit › Dissertation

Autoren

  • Wasim Rida Salama

Organisationseinheiten

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Details

OriginalspracheEnglisch
QualifikationDoktor der Ingenieurwissenschaften
Gradverleihende Hochschule
Betreut von
  • Alexander Furche, Betreuer*in
Datum der Verleihung des Grades4 Juli 2018
ErscheinungsortHannover
PublikationsstatusVeröffentlicht - 2019

Abstract

Stahlbetonkonstruktionen leiden unter einem umweltunfreundlichen Ende des Lebenszyklus, welches von Abbruchprozessen dominiert wird. Der Abbruch verhindert nicht nur die Wiederverwendung von Bauteilen und Komponenten, die in vielen Fällen noch für längere Zeit tragfähig und verwendbar wären, sondern belastet auch die Umwelt durch Staub, Lärm und feste Abfälle. Darüber hinaus verursachen Abbruchprozesse verschiedene Arten von Störungen am Standort und dessen Umgebung. Während Stahl- und Holzbauten leicht zerlegt und transloziert werden können, besteht für Stahlbetonbauten, besonders aus Ortbeton, neben dem Abbruch keine Alternative. Um Stahlbetonkonstruktionen in dieser Hinsicht auf ein besseres Niveau zu bringen, indem Bauteile und Komponenten aus Beton wiederverwendet werden können, sollten Stahlbetonkonstruktionen unter anderem für die Demontage, das so genannte Design for Dissassenbly (DfD), entworfen werden. Mithilfe von DfD können unter Aspekten der Nachhaltigkeit eine Reihe weiterer Vorteile erreicht werden. Crowther weist nach, dass sich das Lebenszyklusmodell der Gebäude von einem linearen zu einem zyklischren wandeln lässt. Eine Literaturrecherche bisheriger Versuche, Stahlbetonbauten zu demontieren und einige ihrer Elemente wiederzuverwenden, zeigt, dass Betonfertigteile trotz der Komplexität der Arbeit und eines prozentualen Materialverlustes , großes Potential im Hinblick auf DfD besitzen. Ziel dieser Studie ist, es Konzepte für die Demontage von Stahlbetongebäuden vom Standpunkt der Konstruktion aus zu erarbeiten und diese vor dem Hintergrund aktueller Fragen der Betontechnologie zu diskutieren. Darüber hinaus werden die Bedeutung für Bau,Montage und Demontage, sowie DfD Aspekte, Theorien und Richtlinien betrachtet. Darauf aufbauend wurde eine umfassende Analyse der derzeit verwendeten Fertigteilsysteme und -elemente durchgeführt. Die Ergebnisse der Analyse wurden verwendet, um Schwachstellen zu identifizieren, die einen Zeit- oder Materialverlust durch die Montage - und Demontageprozesse verursachen können. Für die Entwicklung von Systemen mit hohem Demontagepotential wurde die Hülle von Stahlbetonbauten ausgewählt, wobei einige Entwicklungen und Verbesserungen eingeführt wurden. Am Ende wurde eine Fallstudie erarbeitet, um das erfolgreiche Durchführen des entwickelten Systems an Gebäuden zu verifizieren und ein vollständiges Bild zu liefern. Die Studie war in der Lage, die Stahlbetonkonstruktionen im Rahmen von Cradle-to-Cradle-Design zu positionieren, ihre Elemente und Systeme hinsichtlich ihrer Transformationskapazität zu analysieren und Konzepte der Entwicklung zu liefern, die DfD von Betonbauten in Bezug auf ihre Elemente und Komponenten aus den theoretischen Konzepten in die Praxis bringen.

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Design for disassembly as an alternative sustainable construction approach to life-cycle-design of concrete buildings. / Salama, Wasim Rida.
Hannover, 2019. 243 S.

Publikation: Qualifikations-/Studienabschlussarbeit › Dissertation

Salama, WR 2019, 'Design for disassembly as an alternative sustainable construction approach to life-cycle-design of concrete buildings', Doktor der Ingenieurwissenschaften, Gottfried Wilhelm Leibniz Universität Hannover, Hannover. https://doi.org/10.15488/5121
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