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    Project ethos : aesthetic refinement of Pres-Lam structure

    O’Brien, Liam

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    MArch(prof)_2016_Liam O%27Brien_1449877_Final Research.pdf (20.02Mb)
    Date
    2016
    Citation:
    O'Brien, L. (2016). Project ethos : aesthetic refinement of Pres-Lam structure. An unpublished explanatory document submitted in partial fulfillment of the requirements for the degree of, Master of Architecture (Professional), Unitec Institute of Technology, New Zealand.
    Permanent link to Research Bank record:
    https://hdl.handle.net/10652/3625
    Abstract
    The Pres-Lam structural system has been applied in a mere few buildings currently, fewer still express the structural system in any meaningful way. If this relatively new system is to be more widely acknowledged and revered, we must explore ways in which a built example may effectively communicate the structural actions of the system as well as express the safety its inhabitants would be granted with regards to seismic activity and post-disaster habitability. It is this industry attitude towards structural expression, specifically in that of Pres-Lam, that is expressed in the working title, Project Ethos. Analysis of the structural function of Pres-Lam reveals the most feasible aspects of the system for expression to the user. Rocking and re-centering motion of the engineered timber shear walls are made possible by the internal post-tensioning cables as well as external mild steel dissipaters that may be replaced after acting sacrificially in a seismic event. Further to this, historical influence is taken from the architectural styles of High-Tech Architecture as well as Deconstructivism. The first two mid-rise buildings in New Zealand to explore this system in a wider sense give precedence for the attitudes taken towards the structural expression of Pres-lam. The first example, NMIT’s Arts and Media building, shows a level of internal structural expression aimed at communicating the raw detailing technicalities to industry professionals, while the second example, the Carterton Events Centre, makes critical use of Pres-Lam to ensure post-disaster habitability but makes little attempt to express the structural system in any meaningful way. This designed outcome proposes a multi-use mid-rise building in the earthquake affected town of Kaiapoi, and explores various methods of direct as well as indirect expression of the Pres-Lam structural system in order to communicate the inherent structural actions while imparting an aura of safety to the users.
    Keywords:
    Arts and Media Building (Nelson Marlborough Institute of Technology), Carterton Events Centre (Carterton, N.Z.), Pres-Lam system, prestressed laminated timber building systems, Kaiapoi (N.Z.), construction technology, Christchurch 2010-2011 earthquakes, mixed use building types
    ANZSRC Field of Research:
    090503 Construction Materials, 120101 Architectural Design
    Degree:
    Master of Architecture (Professional), Unitec Institute of Technology
    Supervisors:
    Murphy, Chris
    Copyright Holder:
    Author

    Copyright Notice:
    All rights reserved
    Rights:
    This digital work is protected by copyright. It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use. These documents or images may be used for research or private study purposes. Whether they can be used for any other purpose depends upon the Copyright Notice above. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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    • Architecture Dissertations and Theses [534]

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