Multi-criteria analysis of rehabilitation techniques for traditional timber frame walls in Pombalino buildings (Lisbon)

Journal article (2018)

Authors

S. Stellacci Instituto Universitário de Lisboa (ISCTE-IUL)
V. Rato Instituto Universitário de Lisboa (ISCTE-IUL)
E. Poletti University of Minho
G. Vasconcelos University of Minho
G. Borsoi Heritage & Technology - Architecture and the Built Environment
Research Group
Heritage & Technology (Architecture and the Built Environment) (TU Delft)
Macbeth analysis Pombalino buildings Rehabilitation techniques Timber frame wall
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Published Date

2018

Language

English

Reuse Rights

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Faculty

Architecture and the Built Environment

Department

Architectural Engineering +Technology

Research Group

Heritage & Technology

Abstract

This research aims to evaluate the intervention techniques currently adopted for the traditional timber frame wall, using a case study in downtown Lisbon. Different rehabilitation solutions were identified and assessed through a multi-criteria decision analysis using dedicated software (M-Macbeth, Measuring Attractiveness by a Categorical-Based Evaluation technique). Five evaluation criteria, i.e. material compatibility and permanence, structural reliability and authenticity, and visual-tactile appearance, were selected for this specific context. A multidisciplinary panel of experts in conservation science were consulted for defining the performance descriptors, evaluation levels, and weightings of these criteria. Results show that Macbeth is a useful decision-aid capable of handling multiple outputs generated from qualitative expert judgments. Lastly, the predominance of five best-scoring interventions within three design-related scenarios is discussed.