Exterior prefabricated panelized walls platform optimization

Said, Hisham; Chalasani, Tejaswini; Logan, Stephanie R.

doi:10.1016/j.autcon.2017.01.002

Cited by 50 publications

(28 citation statements)

References 29 publications

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“…Cost, in construction often decisive, would be important but could not be analyzed here due to lack of price information for the new foam glass. Generally, cost underlies the scale‐up effect of production (Said, Chalasani, & Logan, ) and is highly uncertain.…”

Section: Methods and Datamentioning

confidence: 99%

Using anticipatory life cycle assessment to enable future sustainable construction

Göswein

Rodrigues

Silvestre

et al. 2019

J of Industrial Ecology

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The built environment is the largest single emitter of CO2 and an important consumer of energy. Much research has gone into the improved efficiency of building operation and construction products. Life Cycle Assessment (LCA) is commonly used to assess existing buildings or building products. Classic LCA, however, is not suited for evaluating the environmental performance of developing technologies. A new approach, anticipatory LCA (a‐LCA), promises various advantages and can be used as a design constraint during the product development stage. It helps overcome four challenges: (i) data availability, (ii) stakeholder inclusion, (iii) risk assessment, and (iv) multi‐criteria problems. This article's contribution to the line of research is twofold: first, it adapts the a‐LCA approach for construction‐specific purposes in theoretical terms for the four challenges. Second, it applies the method to an innovative prefabricated modular envelope system, the CleanTechBlock (CTB), focusing on challenge (i). Thirty‐six CTB designs are tested and compared to conventional walls. Inclusion of technology foresight is achieved through structured scenario analysis. Moreover, challenge (iv) is tackled through the analysis of different environmental impact categories, transport‐related impacts, and thickness of the wall assemblies of the CTB. The case study results show that optimized material choice and product design is needed to reach the lowest environmental impact. Methodological findings highlight the importance of context‐specific solutions and the need for benchmarking new products.

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Section: Methods and Datamentioning

confidence: 99%

Using anticipatory life cycle assessment to enable future sustainable construction

Göswein

Rodrigues

Silvestre

et al. 2019

J of Industrial Ecology

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“…Increases flexibility (Thuesen and Hvam, 2011;Jensen et al, 2014;Bonev, Wörösch and Hvam, 2015;Smiding, E., Gerth, R., Jensen, 2016) Ensures product manufacturing and assembly of solutions is possible (Bonev, Wörösch and Hvam, 2015;Said, Chalasani and Logan, 2017;Jansson, Viklund and Olofsson, 2018;Yuan, Sun and Wang, 2018) People Minimizes the need for manual involvement (Frank et al, 2014;Jansson, Viklund and Olofsson, 2018;Lee and Ham, 2018) Smooths the learning curve (Jansson, Viklund and Olofsson, 2018)…”

Section: Productmentioning

confidence: 99%

“…Reduces time and cost for design and production (Thuesen and Hvam, 2011;Frank et al, 2014;Bonev, Wörösch and Hvam, 2015;Smiding, E., Gerth, R., Jensen, 2016;Said, Chalasani and Logan, 2017;Jansson, Viklund and Olofsson, 2018) Enhances coordination efficiency (Malmgren, Jensen and Olofsson, 2011;Xu et al, 2018;Yuan, Sun and Wang, 2018) Develops construction documents efficiently (Jensen, Olofsson and Johnsson, 2012; Smiding, E., Gerth, R., Jensen, 2016;Jansson, Viklund and Olofsson, 2018) Preserves and reuses knowledge for the next product (Frank et al, 2014;Jensen et al, 2014) Increases reliability of schedule (Wu et al, 2010;Larsson et al, 2015) However, most implementation strategies of configurators in the academic study are only validated by one or two construction projects, and several are only tested within certain building systems, such as wall systems (Smiding, E., Gerth, R., Jensen, 2016;Said, Chalasani and Logan, 2017). Often, existing configurators are tailor-made for companies after a long period of development cycle, leading to investment risk and high initial software cost.…”

Section: Processmentioning

confidence: 99%

“…Previous studies have highlighted that modularization is the foundation for product planning in the climate of mass customization, and various approaches have been proposed to tackle various module drivers. For example, Wee et al (Wee, Aurisicchio and Starzyk, 2017) (Said, Chalasani and Logan, 2017) set up a genetic algorithm to cluster timber walls with similar geometry for fabrication efficiency. Floor plan configurator (Taborda et al, 2018) The kitchen must be placed either at the front of the house or next to the living room…”

Section: Technical Approaches To Build Configuratorsmentioning

confidence: 99%

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An overview of configurations for industralized construction: typologies, customer requirements, and technical approaches

Cao¹,

Hall²

2019

Computing in Construction

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To improve productivity, the construction industry is increasingly adopting methods of industrialized construction. A key strategy to support industrialized construction is to leverage an adaptable product development platform, i.e. a configurator. Although many benefits of configurators (e.g. mass customization) have been witnessed in the manufacturing industry, the application of configurators in construction is limited and immature. This paper reviews eleven configurators in academic research and four configurators in industry practice. First, using a comparative analysis, the authors generalize three strategic typologies of configurators developed and implemented for industrialized construction. Second, stakeholder requirements are identified for each typology. Finally, the technical approaches, including related methods and theories, are reviewed using a framework of three-tier architecture decomposition. The findings contribute to practice by allowing AEC stakeholders to understand strategic typologies and customer requirements for configurators. This can assist in guiding the future development of mass-customized configurators.

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“…Similar research made by Jensen et al [27] aimed to demonstrate CAD tools as a mean to create design automation alternatives for modularized building systems, whereas Yuan et al [28] combined parametric design of Building Information modelling (BIM) with Design for Manufacture and Assembly (DFMA) as a mean to overcome the unsuitability of design systems, which have been developed for nonprefabricated buildings, on prefabricated buildings. Another research by Said et al [29] presents a platform optimization model for panelised wall systems. This platform optimizes the trade-offs between fabrication cost and minimization of design deviations.…”

Section: Introductionmentioning

confidence: 99%

Conceptual framework for off-site roof stacking construction

Amer

Mustafà

Attia

2019

Journal of Building Engineering

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A B S T R A C TA great deal of interest in off-site construction has been remarkable over the last decade. However, building on the rooftops of existing building has not been given a significant importance as a subject of research, despite its dependence on off-site construction and prefabrication. Thus, this paper develops a novel conceptual framework to support a multidisciplinary decision making for selecting off-site prefabricated constructional system for roof stacking. The multidisciplinary approach includes each of safety, logistics, cost, time, environmental impact, and quality of construction as major criteria in the decision making process. This paper is the outcome of an exhaustive investigation of more than 136 roof stacking projects built during the last 20 years. The development of framework is supported by a feedback validation loop based on semi-structured interviews with experts in the field of roof stacking and off-site construction.

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Exterior prefabricated panelized walls platform optimization

Cited by 50 publications

References 29 publications

Using anticipatory life cycle assessment to enable future sustainable construction

Using anticipatory life cycle assessment to enable future sustainable construction

An overview of configurations for industralized construction: typologies, customer requirements, and technical approaches

Conceptual framework for off-site roof stacking construction

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