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Structuring information from BIM: A glance at bills of materials
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0003-4843-8936
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0002-1744-4981
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0002-5661-5237
2018 (English)In: Proceedings of the 35th ISARC, Berlin, Germany, IAARC Publications , 2018, Vol. 35, p. 362-368Conference paper, Published paper (Refereed)
Abstract [en]

Industrialized house-builders are moving towards an enhanced production where management of information along the value chain is critical in order to deliver housing projects on time and with the desired quality. Today digital tools and systems are used in both design and production to produce, deliver and instruct actors throughout the phases of aproject. However, the information usually exists in different islands and manual transfers are required tokeep the flow of information between IT-systems and individuals continuous. A key to improving the ability for the members in different stages of a project to work with the same information is to facilitate different views. One of the building blocks for creating bridges between the islands of information is to introduce bills of materials which can be used to organize information for different purposes. Uniting the use of building information modeling (BIM) withbills of materials (BOM) is therefore our focus in this paper. This is done in the context of industrialized house-building and the facets which it brings to the subject. The aim of this paper is to present an early endeavor into a BOM based approach for structuring information from BIM models. A demonstration tool was developed, and together with application in a case project from an industrialized house-builder, the generation of BOMs from BIM data is illustrated and discussed. The findings illustrates that we can apply different structures to the information located in our BIM models and that we can produce a BOM perspective on our products. Also, it is highlighted that we still need further studies to better understand how application of BOMs in the context of industrialized house-building is realized.

Place, publisher, year, edition, pages
IAARC Publications , 2018. Vol. 35, p. 362-368
Keywords [en]
Bills of Materials, BIM, Industrialized, House Building
National Category
Building Technologies Construction Management
Research subject
Construction Management and Building Technology
Identifiers
URN: urn:nbn:se:ltu:diva-70333DOI: 10.22260/ISARC2018/0052Scopus ID: 2-s2.0-85053917327OAI: oai:DiVA.org:ltu-70333DiVA, id: diva2:1238148
Conference
35th International Symposium on Automation and Robotics in Construction (ISARC 2018), Berlin, July 20-25 2018
Available from: 2018-08-13 Created: 2018-08-13 Last updated: 2018-10-23Bibliographically approved
In thesis
1. Structures for supporting BIM-based automation in the design process
Open this publication in new window or tab >>Structures for supporting BIM-based automation in the design process
2018 (English)Licentiate thesis, comprehensive summary (Other academic)
Alternative title[sv]
Strukturer för stödjande av BIM-baserad automation i designprocessen
Abstract [en]

During recent decades the advent of IT in the construction industry has prompted a gradual shift from manual paper-based processes to computer-aided design and production. In this shift there has been an increasing interest in the application of building information modelling (BIM) for the overall management of information throughout the lifecycle of a building. By implementing BIM and automating the workflows within, decreased time spent on engineering tasks and an increased focus on building performance could be achieved during the design process. Due to the complexity of the design process it is rare that a single BIM application can manage all the activities that are present. This puts pressure on the coupling of multiple applications, tools, and information. The challenges that this poses on interoperability and information exchange has received a wealth of attention in research however it is still argued that many of these operations require manual input. Automating parts of a BIM-based workflow is facilitated by the possibilities that exists for exchanging information and controlling the flow of information. This implies that not only do we need to understand this on a data level, but also that we understand how the system and information structures can be managed to enable this.

The purpose of this thesis was to investigate how structures could be applied on both a system and information level to support automation within a BIM-based design process, and more specifically how these structures could be used to overcome some of the challenges of information exchange. Three studies were conducted to explore different methods and their potential in achieving automated workflows. The findings of these studies were then analysed against a theoretical framework based on structures of systems and information. The results show that choosing a distributed method for structuring systems allows for the coupling of multiple software, tools, and information without the need for a single shared schema. The critical component of the distributed system structure is a middleware which is responsible for controlling the flow of information. It is the middleware that when implemented allows for the management of multiple sources of information, each with their corresponding schemas. The results also showed that information which travels between the components of the distributed system can be structured according to their relationships to provide the foundation for a mapping. This structure enables the decomposition of information that can be used to transfer information only relevant to the current activity. When applied this aids to resolve the coupling of information at each activity in an automated BIM-based workflow.

Place, publisher, year, edition, pages
Luleå: Luleå University of Technology, 2018
Series
Licentiate thesis / Luleå University of Technology, ISSN 1402-1757
Keywords
BIM, Automation, Distributed System, Information, Structures
National Category
Construction Management
Research subject
Construction Management and Building Technology
Identifiers
urn:nbn:se:ltu:diva-70412 (URN)978-91-7790-184-6 (ISBN)978-91-7790-185-3 (ISBN)
Presentation
2018-10-10, F231, Luleå, 10:00 (English)
Opponent
Supervisors
Available from: 2018-08-16 Created: 2018-08-15 Last updated: 2018-09-18Bibliographically approved

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