CUED Publications database

Towards productivity indicators for performance-based façade design in commercial buildings

Jin, Q and Overend, M and Thompson, P (2012) Towards productivity indicators for performance-based façade design in commercial buildings. Building and Environment, 57. pp. 271-281. ISSN 0360-1323

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Abstract

Decision-making in the façade design process has a significant influence on several aspects of indoor environment, thereby making it a complex and multi-objective optimisation process. There are two principal barriers in the process of indentifying an optimal façade solution. Firstly, most existing indoor environmental evaluation methods do not account for all the indoor environmental quality (IEQ) aspects relevant to façade design. Secondly, the relationship between the physical properties of a particular façade design option and the resulting economic benefits accrued during its service-life is unknown. In this paper, we introduce the bases for establishing relationships between occupant productivity and the combinatorial effects of four key façade-related IEQ aspects, namely, thermal comfort, aural comfort, visual comfort and air quality, on occupant productivity. The proposed framework's potential is tested against seven existing experimental investigations and its applicability is illustrated by a simple façade design example. The proposed approach ultimately aims to provide a quantitative economic measure of alternative façade design options that would be applicable to early design stage. Aspects of the work that require further experimental validation are identified. © 2012 Elsevier Ltd.

Item Type: Article
Uncontrolled Keywords: Commercial buildings Façade design Indoor environmental quality (IEQ) Occupant comfort Productivity
Subjects: UNSPECIFIED
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:26
Last Modified: 08 Dec 2014 02:26
DOI: 10.1016/j.buildenv.2012.05.009