Establishing and Weighting Decision Criteria for Building System Selection in Housing Construction

Pan, Wei; Dainty, Andrew R.J.; Gibb, Alistair G.F.

doi:10.1061/(asce)co.1943-7862.0000543

Cited by 136 publications

(75 citation statements)

References 42 publications

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“…Khalili et al found that prefabrication configuration and component grouping in production planning for prefabricated structures can reduce total costs by up to 13%, compared to the existing planning approach [31]. Pan et al found that developing and innovating cross-wall technology led to sustained cost savings up to 25% [39]. Meanwhile, integrating design and construction processes [40], supply chain management and learning to fully assure the benefits of off-site technologies were important factors for cost performance [41].…”

Section: Strategy For Cost Performancementioning

confidence: 99%

“…Additionally, Chen et al also explored the criteria for selecting the construction method [24]. Pan et al established and weighted decision criteria for building system selection in order to promote sustainable construction [39]. These criteria help stakeholders to select the appropriate construction method between prefabrication or traditional on-site construction.…”

Section: Strategy For Cost Performancementioning

confidence: 99%

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Capital Cost Optimization for Prefabrication: A Factor Analysis Evaluation Model

Xue

Zhang

et al. 2018

Sustainability

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Abstract:High capital cost is a significant hindrance to the promotion of prefabrication. In order to optimize cost management and reduce capital cost, this study aims to explore the latent factors and factor analysis evaluation model. Semi-structured interviews were conducted to explore potential variables and then questionnaire survey was employed to collect professionals' views on their effects. After data collection, exploratory factor analysis was adopted to explore the latent factors. Seven latent factors were identified, including "Management Index", "Construction Dissipation Index", "Productivity Index", "Design Efficiency Index", "Transport Dissipation Index", "Material increment Index" and "Depreciation amortization Index". With these latent factors, a factor analysis evaluation model (FAEM), divided into factor analysis model (FAM) and comprehensive evaluation model (CEM), was established. The FAM was used to explore the effect of observed variables on the high capital cost of prefabrication, while the CEM was used to evaluate comprehensive cost management level on prefabrication projects. Case studies were conducted to verify the models. The results revealed that collaborative management had a positive effect on capital cost of prefabrication. Material increment costs and labor costs had significant impacts on production cost. This study demonstrated the potential of on-site management and standardization design to reduce capital cost. Hence, collaborative management is necessary for cost management of prefabrication. Innovation and detailed design were needed to improve cost performance. The new form of precast component factories can be explored to reduce transportation cost. Meanwhile, targeted strategies can be adopted for different prefabrication projects. The findings optimized the capital cost and improved the cost performance through providing an evaluation and optimization model, which helps managers to evaluate cost management level of prefabrication and explore key inducers for high capital cost.

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Section: Strategy For Cost Performancementioning

confidence: 99%

Section: Strategy For Cost Performancementioning

confidence: 99%

Capital Cost Optimization for Prefabrication: A Factor Analysis Evaluation Model

Xue

Zhang

et al. 2018

Sustainability

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“…On-site construction could be a better solution for some cases. Many works have focused on how to evaluate prefabrication and onsite construction (O'Connor, O'Brien, & Choi, 2014) (Pan, Gibb, & Dainty, 2008). What emerges from those studies is that it strongly depends from the considered Country and the boundary conditions.…”

Section: A Is Prefabrication a Viable Strategy?mentioning

confidence: 99%

Development of prefabricated retrofit module towards nearly zero energy buildings

Silva

Almeida

Bragança

et al. 2013

Energy and Buildings

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Retrofit de la construcción mediante paneles prefabricados: una reseña del estado del arte. Building Retrofit through prefabricated panels:an overview on the state of the art.Resumen-El objetivo principal de este paper es ofrecer una reseña del utilizo de sistemas de paneles prefabricados en el retrofit de edificios. El retrofit representa un punto focal de la eficiencia energética, considerando el gran numero de edificios existentes, privados y públicos, en Europa. La necesidad de intervención en este ámbito es enfatizada por las Directivas Europeas, y por la roadmap de Horizon 2020. Varias investigaciones y proyectos se centran en el tema de la prefabricación en el retrofit, enfatizando la importancia de esta estrategia. La reseña de el estado del arte muestra los diferentes enfoques de los paneles prefabricados: una clasificación critica de estos proyectos diferencia entre sistemas basados en grandes o pequeños paneles, sistemas de ampliación basados en paneles estructurales y sistemas parcialmente prefabricados. Esta clasificación es útil porque consiente posibles progresos en este campo, enfatizando los adventajas y desventajas de cada sistema. Los asuntos mas importantes son los de diseño, fabricación, transporte y instalación. Una reseña de estos asuntos es también provista, enfatizando los campos de innovación, y los posibles futuros desarrollos de la prefabricación en el retrofit de las construcciones.Palabras clave-Reconversión de edificios; paneles prefabricados; envolvente del edificio; adaptación energética. Abstract-The main aim of this paper is to provide an overview of the use of prefabricated panels in external building retrofitting. Building retrofit represents a pivotal point in terms of energy efficiency, connected to the great amount of existing buildings, both public and private, all around Europe. The need of intervention is underlined by different European Directives, as well as by Horizon 2020 roadmap. Many research works and projects are focusing on the theme of prefabrication in retrofit, stressing the importance of this strategy. The review of the state of the art shows several approaches in terms of prefabricated panels: a critical classification of these projects distinguish between systems based on large and small panels, systems for extensions based on structural panels, and partially prefabricated systems. The classification is useful as it can help in understanding further development of prefabricated panels, underlining the advantages and disadvantages of the systems. The main challenges are linked to design, fabrication, transport and installation. An overview of those issues is also provided, stressing the main innovation fields to be further investigated, and the possible future developments of prefabrication in building retrofit.

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“…In a wider perspective, economic feasibility and other factors, such as constructability, maintenance convenience and aesthetic quality were also considered using multi-criteria decision-making processes [19,20]. Furthermore, the carbon emission factors (i.e., environmental soundness) when evaluating the suitability of construction methods are also examined [21,22].…”

Section: Identification Of Factors For the Assessment Of Green Technomentioning

confidence: 99%

Quantitative Decision Making Model for Carbon Reduction in Road Construction Projects Using Green Technologies

2015

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Numerous countries have established policies for reducing greenhouse gas emissions and have suggested goals pertaining to these reductions. To reach the target reduction amounts, studies on the reduction of carbon emissions have been conducted with regard to all stages and processes in construction projects. According to a study on carbon emissions, the carbon emissions generated during the construction stage of road projects account for approximately 76 to 86% of the total carbon emissions, far exceeding the other stages, such as maintenance or demolition. Therefore, this study aims to develop a quantitative decision making model that supports the application of green technologies (GTs) to reduce carbon emissions during the construction stage of road construction projects. First, the authors selected environmental soundness, economic feasibility and constructability as the key assessment indices for evaluating 20 GTs. Second, a fuzzy set/qualitative comparative analysis (FS/QCA) was used to establish an objective decision-making model for the assessment of both the quantitative and qualitative characteristics of the key indices. To support the developed model, an expert survey was performed to assess the applicability of each GT from a practical perspective, which was verified with a case study using two additional GTs. The proposed model is expected to support practitioners in the application of suitable GTs to road projects and reduce carbon emissions, resulting in better decision making during road construction projects. OPEN ACCESSSustainability 2015, 7 11241

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Establishing and Weighting Decision Criteria for Building System Selection in Housing Construction

Cited by 136 publications

References 42 publications

Capital Cost Optimization for Prefabrication: A Factor Analysis Evaluation Model

Capital Cost Optimization for Prefabrication: A Factor Analysis Evaluation Model

Development of prefabricated retrofit module towards nearly zero energy buildings

Quantitative Decision Making Model for Carbon Reduction in Road Construction Projects Using Green Technologies

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