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Publications (10 of 106) Show all publications
Eriksson, H., Sandberg, M., Mukkavaara, J., Jansson, G. & Stehn, L. (2019). Assessing Digital Information Management Between Design and Production in Industrialised House-Building: A Case Study. In: 2019 Proceedings of the 36th ISARC, Banff, Alberta, Canada: . Paper presented at 36th International Symposium on Automation and Robotics in Construction, Banff, May 21-24, 2019 (pp. 340-347).
Open this publication in new window or tab >>Assessing Digital Information Management Between Design and Production in Industrialised House-Building: A Case Study
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2019 (English)In: 2019 Proceedings of the 36th ISARC, Banff, Alberta, Canada, 2019, p. 340-347Conference paper, Published paper (Refereed)
Abstract [en]

Managing digital information in construction is commonly described through Building Information Modelling (BIM), which advocates seamless chains of information, increased coordination between different actors and a life-cycle perspective on information management. However, low adoption outside the design phase entails that handling information in production is in many cases manual and paper-based, which increases vulnerability for upstream errors materialising downstream in production. Furthermore, issues with interoperability surround many areas when managing digital information. For industrialised house-builders, the transmitter and receiver of information are in many cases integrated within the same company or based on long-term collaboration. This affects their ability to manage information and utilise design information, which implies that their strategy for digital information management (DIM) might benefit from being addressed differently compared to more traditional BIM-based approaches. In this paper, we describe and discuss an implemented DIM-solution at an industrialised house-builder in order to address the benefits and challenges with DIM when managing information from design to production. The results imply that in order for several different functions within the company to reap benefits, a customised DIM-solution adapted after the company’s specific needs is a well-suited approach forward to avoid sacrificing functionality when utilising design information.

Keywords
Digital Information Management; Industrialised house-building; Information utilisation; Tailored interoperability; Building Information Modelling
National Category
Construction Management
Research subject
Construction Management and Building Technology
Identifiers
urn:nbn:se:ltu:diva-76276 (URN)10.22260/ISARC2019/0046 (DOI)
Conference
36th International Symposium on Automation and Robotics in Construction, Banff, May 21-24, 2019
Available from: 2019-10-08 Created: 2019-10-08 Last updated: 2019-10-08
Wernicke, B., Lidelöw, H. & Stehn, L. (2017). Flow and resource efficiency measurement method in off-site production. In: Brilakis I.,Walsh K.,Sacks R. (Ed.), IGLC 2017: Proceedings of the 25th Annual Conference of the International Group for Lean Construction 2017. Paper presented at 25th Annual Conference of the International Group for Lean Construction, IGLC 2017, Hersonissos, Crete, Greece, 9-12 July 2017 (pp. 861-868). The International Group for Lean Construction
Open this publication in new window or tab >>Flow and resource efficiency measurement method in off-site production
2017 (English)In: IGLC 2017: Proceedings of the 25th Annual Conference of the International Group for Lean Construction 2017 / [ed] Brilakis I.,Walsh K.,Sacks R., The International Group for Lean Construction , 2017, p. 861-868Conference paper, Published paper (Refereed)
Abstract [en]

Although the focus remains primarily on high resource efficiency, the significance of flow efficiency in construction is continuously increasing. Flow and resource efficiency describe two competing target viewpoints, which focus on reducing non-value adding activities and maximizing resource utilization, respectively. Recent research has shown that balancing both perspectives provides a viable solution. However, the exact measurement of flow and resource efficiency in construction remains unclear. Therefore, the aim of this work is to evaluate a possible flow and resource efficiency measurement method in the off-site production context of volumetric element construction, and assess the industrial relevance thereof. Work sampling has been used to collect data from a building project flowing through the off-site production system. The validity of the method has been checked statistically, through a focus-group workshop and with calculation figures from the case company. Work sampling allows flow and resource efficiency measurements in an off-site production system. The method delivers current status figures of companies, yielding a balance between flow and resource efficiency.

Place, publisher, year, edition, pages
The International Group for Lean Construction, 2017
National Category
Building Technologies
Research subject
Timber Structures
Identifiers
urn:nbn:se:ltu:diva-65882 (URN)10.24928/2017/0094 (DOI)2-s2.0-85029593743 (Scopus ID)
Conference
25th Annual Conference of the International Group for Lean Construction, IGLC 2017, Hersonissos, Crete, Greece, 9-12 July 2017
Available from: 2017-09-29 Created: 2017-09-29 Last updated: 2018-09-03Bibliographically approved
Engström, S. & Stehn, L. (2016). Barriers to client-contractor communication: Implementing process innovation in a building project in Sweden (ed.). Paper presented at . International Journal of Project Organisation and Management, 8(2), 151-171
Open this publication in new window or tab >>Barriers to client-contractor communication: Implementing process innovation in a building project in Sweden
2016 (English)In: International Journal of Project Organisation and Management, ISSN 1740-2891, E-ISSN 1740-2905, Vol. 8, no 2, p. 151-171Article in journal (Refereed) Published
Abstract [en]

Client-contractor communication is vital for achieving project goals but also for adopting innovations. However, this type of communication does not take place across just one interface but across several. In the present study, barriers to client-contractor communication were addressed with the intention of specifically highlighting the potential impact of the project-based setting. A case study of a building project where process innovation was to be implemented provided the data. The analysis focused on meaning-making by different participants during progression of the project until its completion. Although the project was successfully completed, some of the aims of the process innovation were not realised as planned due to emerging meaning-making problems. A main suggestion from the reported findings was that the predominant project logic in construction may be a key barrier to client-contractor communication in implementing innovations presented by actors on the supply-side

National Category
Building Technologies
Research subject
Timber Structures
Identifiers
urn:nbn:se:ltu:diva-15698 (URN)10.1504/IJPOM.2016.076387 (DOI)2-s2.0-84969895673 (Scopus ID)f3e807ec-1a61-4e26-b264-8bad28f5481c (Local ID)f3e807ec-1a61-4e26-b264-8bad28f5481c (Archive number)f3e807ec-1a61-4e26-b264-8bad28f5481c (OAI)
Note
Validerad; 2016; Nivå 1; 20160607 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Erikshammar, J. & Stehn, L. (2016). Ökad samverkan i försörjningskedjan genom sälj- och verksamhetsplanering: En analys av ett SME sågverks metod och process. In: Peter Bergling, Helen Forslund (Ed.), PLANs Forsknings- och tillämpningskonferens 2016: Logistik – teori möter praktik. Paper presented at PLANs Forsknings- och tillämpningskonferens 2016, Växjö, 19-20 oktober (pp. 65-75).
Open this publication in new window or tab >>Ökad samverkan i försörjningskedjan genom sälj- och verksamhetsplanering: En analys av ett SME sågverks metod och process
2016 (Swedish)In: PLANs Forsknings- och tillämpningskonferens 2016: Logistik – teori möter praktik / [ed] Peter Bergling, Helen Forslund, 2016, p. 65-75Conference paper, Published paper (Other academic)
Abstract [sv]

Ökad videraförädling för små och medelstora (SME) sågverk innebär att ett ensidigt fokus på produktionsprocessen och sågutbyte bör kompletteras med ökad kundfokus. Sälj- och verksamhetsplanering (SVP) är en planeringsmetod som balanserar kundkrav med övriga operativa processer på medellång sikt. Syftet med denna artikel är att beskriva en anpassad SVP-metod och en SVP-process som möter sågverkets specifika behov av ökad effektivitet i försörjningskedjan samt beskriva faktorer som kan undersökas vidare för att skapa en ökad förståelse av SVP tillämpningen inom sågverkets kontext. Data som analyserats är från en longitudinell fallstudie på ett svenskt SME sågverk och processen för införandet av en SVP-metod. Sågverket sågar cirka 100000 kubikmeter per år av både gran och tall. Forskningen visar att SVP-metoden bör utvecklas så att den kan balansera i två nivåer; både för sågat färdigvarulager och lager för vidareförädling med hänsyn tagen till divergent och konvergent produktflöde. Den utvecklade metoden visar på sågverkets behov av balanserat råmateriallager, men också behovet av att lösa konflikter mellan sågutbyte och olika marknadskrav. Identifierade faktorer för vidare forskning av SVP, som en tillämpad metod och process, är sågverkets förmåga att linjera interna ekonomiska mål, sågverkets behov av ökad kommunikation i försörjningskedjan, tydligare marknadskrav och engagemang från företagsledningen.

National Category
Building Technologies
Research subject
Timber Structures
Identifiers
urn:nbn:se:ltu:diva-59860 (URN)
Conference
PLANs Forsknings- och tillämpningskonferens 2016, Växjö, 19-20 oktober
Available from: 2016-10-21 Created: 2016-10-21 Last updated: 2017-11-24Bibliographically approved
Haller, M., Lu, W., Stehn, L. & Jansson, G. (2015). An indicator for superfluous iteration in offsite building design processes (ed.). Paper presented at . Architectural Engineering and Design Management, 11(5), 360-375
Open this publication in new window or tab >>An indicator for superfluous iteration in offsite building design processes
2015 (English)In: Architectural Engineering and Design Management, ISSN 1745-2007, E-ISSN 1752-7589, Vol. 11, no 5, p. 360-375Article in journal (Refereed) Published
Abstract [en]

Enhancement of iteration management in the design phase is important for successful offsite building projects. Design iteration has two aspects. Although iteration is necessary to deal with design requirements when solving complex problems (i.e. increasing quality through iteration), it has also been identified in numerous studies to be one of the main causes of design errors and time and cost overruns (i.e. superfluous iteration), as it increases scheduling and design complexity. Current building project management tools do not provide a means to control the reduction of superfluous iteration. One problem is that existing research has difficulty precisely relating the effects of specific management actions to superfluous iteration. The idea of this study is to develop an indicator, the sequence deviation quotient (SDQ), which reflects the amount of superfluous design iteration in a project. It can be thought of as a tool supporting project managers to make systematic and continuous (from project to project) design process improvement. A premise is that the impact of varying project conditions on the process structure of design processes, i.e. the precedence relationships between the design activities, is only small. In this paper, we provide a definition of superfluous iteration. We tested the feasibility of the SDQ by subjecting it to project variation and input perturbation by means of a Monte Carlo simulation. The simulations are based on the data from a real offsite design building process, the designing of a 1100 m2 residential building in Sweden.

National Category
Building Technologies Construction Management
Research subject
Timber Structures; Construction Engineering and Management
Identifiers
urn:nbn:se:ltu:diva-6286 (URN)10.1080/17452007.2014.937793 (DOI)000363939100003 ()2-s2.0-84939269989 (Scopus ID)4800e4d4-cb61-49a4-829f-8c0ce2614334 (Local ID)4800e4d4-cb61-49a4-829f-8c0ce2614334 (Archive number)4800e4d4-cb61-49a4-829f-8c0ce2614334 (OAI)
Note
Validerad; 2015; Nivå 1; 20140813 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Viking, A. & Stehn, L. (2015). Exploring Swedish local planning authorities' perceptions of standardized housing construction (ed.). In: (Ed.), Ani Raidén; Emmanuel Aboagye-Nimo (Ed.), Procs 31st Annual ARCOM Conference: 7-9 September 2015, Lincoln, UK. Paper presented at Annual ARCOM Conference : 07/09/2015 - 09/09/2015 (pp. 1053-1062). Reading: Association of Researchers in Construction Management, 2
Open this publication in new window or tab >>Exploring Swedish local planning authorities' perceptions of standardized housing construction
2015 (English)In: Procs 31st Annual ARCOM Conference: 7-9 September 2015, Lincoln, UK / [ed] Ani Raidén; Emmanuel Aboagye-Nimo, Reading: Association of Researchers in Construction Management , 2015, Vol. 2, p. 1053-1062Conference paper, Published paper (Refereed)
Abstract [en]

We explore how Swedish Local Planning Authorities perceive standardized housing construction and attempt to use an ideal type typology of institutional logics to describe how Local Planning Authorities make use of the multiple institutional logics available to them. Increased standardization in Swedish housing construction has been suggested as a means to meet the growing need for housing with reasonable rent levels. However, housing contractors that use standardization and repetition of processes and components claim that the variation of requirements set by Local Planning Authorities prevents them from taking full advantage of their standardization. A recent empirical study of standardized housing contractors’ perceptions suggests that Local Requirement Setting, the requirement setting practices of Local Planning Authorities, are interpretational responses to a lack of familiarity with standardized housing construction. Yet, Local Planning Authorities’ perceptions of standardized housing construction have never previously been explored. Empirical material for this on-going study was collected through in-depth exploratory interviews with local planning officers from three municipalities situated in Swedish population growth regions. Findings suggest that Local Planning Authorities perceive potential benefits with standardization, but ultimately expect standardized housing concepts to adapt to local standards for processes and products. In projects with high ambitions for architectural quality standardized housing concepts need to be highly flexible. Conversely, highly standardized housing concepts benefit from project ambitions that favour reasonable rent levels. Therefore, Local Requirement Setting is indicative of a mismatch between the Local Planning Authority’s project ambitions and the standardized housing contractor’s degree of product standardization.

Place, publisher, year, edition, pages
Reading: Association of Researchers in Construction Management, 2015
National Category
Building Technologies
Research subject
Timber Structures
Identifiers
urn:nbn:se:ltu:diva-26868 (URN)2-s2.0-84985994812 (Scopus ID)0201108c-de56-47e5-aadf-a77a60becd54 (Local ID)978-0-9552390-9-0 (ISBN)0201108c-de56-47e5-aadf-a77a60becd54 (Archive number)0201108c-de56-47e5-aadf-a77a60becd54 (OAI)
Conference
Annual ARCOM Conference : 07/09/2015 - 09/09/2015
Note

Godkänd; 2015; Bibliografisk uppgift: Emerald Research methodology Award; 20150910 (vindak)

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved
Lessing, J., Stehn, L. & Ekholm, A. (2015). Industrialised house-building: development and conceptual orientation of the field (ed.). Paper presented at . Construction Innovation, 15(3), 378-399
Open this publication in new window or tab >>Industrialised house-building: development and conceptual orientation of the field
2015 (English)In: Construction Innovation, ISSN 1471-4175, E-ISSN 1477-0857, Vol. 15, no 3, p. 378-399Article in journal (Refereed) Published
Abstract [en]

PurposeThis article describes the development of industrialised house-building (IHB) in order to increase the understanding of the field.Design/methodology/approachThe study is based on an extensive literature study and a case study with three companies, studied between 2005 and 2013, which enabled an in-depth knowledge about the companies’ development within industrialised house-building. Interviews, observations and document studies are the main sources of information in the case studies.FindingsIndustrialised house-building is a complex field, consisting of several constructs that need to be integrated and continuously developed. Development of structured technical building systems has been central to the development of IHB along with developed production methods and processes. The interest in organisational fit or adaptation to industrialisation and strategy concerning business, production and products is increasing. This implies that IHB needs to be managed strategically and not on a building project level.Practical implicationsThe article gives an orientation on how leading companies have structured and organised their work within industrialisation, giving valuable advice to practitioners with interest in the field.Originality/valueThis article describes the development of industrialised house-building based on studies of literature and three Swedish IHB companies’ development. This provides an aggregated view of the field’s emergence and unique information about the studied companies’ development

National Category
Building Technologies
Research subject
Timber Structures
Identifiers
urn:nbn:se:ltu:diva-5002 (URN)10.1108/CI-06-2014-0032 (DOI)2-s2.0-84933040219 (Scopus ID)3049e502-c00a-4f09-a889-6f016c44698a (Local ID)3049e502-c00a-4f09-a889-6f016c44698a (Archive number)3049e502-c00a-4f09-a889-6f016c44698a (OAI)
Note
Validerad; 2015; Nivå 2; 20150616 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Höök, M., Stehn, L. & Berge, S. (2015). The development of a portfolio of business models: a longitudinal case study of a building material company (ed.). Paper presented at Annual ARCOM Conference : 07/09/2015 - 09/09/2015. Construction Management and Economics, 33(5-6), 334-348
Open this publication in new window or tab >>The development of a portfolio of business models: a longitudinal case study of a building material company
2015 (English)In: Construction Management and Economics, ISSN 0144-6193, E-ISSN 1466-433X, Vol. 33, no 5-6, p. 334-348Article in journal (Refereed) Published
Abstract [en]

Dynamic aspects of intended company change can be related to the development and management of a portfolio of business models with regard to competence deployment and to performance. A portfolio of business models is seen as a reflection of the realized strategy of a company, and the dynamics aspects of company change are connected to internal and external critical strategic incidents. The business model elements considered in this research are market position, offering, and operational platform enabling a differentiation between strategic and operational effectiveness. The evolution of a Swedish supplier of building components and systems during a 15-year period is examined. The process data consists of temporal phases where a shift of phase is defined as a change of a specific portfolio of business models. The concept of a portfolio of business models helped to discover new and conflicting standardized or customized business models that were not always intended by the company. The findings indicate that unawareness of intended actions led to unintended allocation of resources or integration mechanisms that negatively affected company performance. On the other hand gains can be achieved if a strategy is deliberately managed as a portfolio of business models which then also can be a tool for managing change in a company

National Category
Building Technologies
Research subject
Timber Structures
Identifiers
urn:nbn:se:ltu:diva-16303 (URN)10.1080/01446193.2015.1075052 (DOI)000361189600002 ()2-s2.0-84941807030 (Scopus ID)fed26102-b1e3-45f0-95e3-aeb97286d95f (Local ID)fed26102-b1e3-45f0-95e3-aeb97286d95f (Archive number)fed26102-b1e3-45f0-95e3-aeb97286d95f (OAI)
Conference
Annual ARCOM Conference : 07/09/2015 - 09/09/2015
Note
Validerad; 2015; Nivå 2; 20150826 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Berge, S., Stehn, L. & Nord, T. (2014). Business models in industrialized building of multi-storey houses (ed.). Paper presented at . Construction Management and Economics, 32(1-2), 208-226
Open this publication in new window or tab >>Business models in industrialized building of multi-storey houses
2014 (English)In: Construction Management and Economics, ISSN 0144-6193, E-ISSN 1466-433X, Vol. 32, no 1-2, p. 208-226Article in journal (Refereed) Published
Abstract [en]

The business model construct has been widely used during the last decade, partly because of its potential to provide a holistic view of how companies do business. A test of how prefabrication could form the basis of a construction firm’s business model can lead to an understanding of the potential for the competitiveness and profitability of industrialized building. The aim is to adapt a general business model construct and use it to empirically identify the most frequently used and the most viable business model. The theoretical perspective is employed to examine how a company does business and which activities and resources are mobilized through the distinction between strategic and operational effectiveness. The multiple case studies include five major Swedish companies that produce prefabricated timber building systems and the analysis is grounded in pattern-finding. The business model construct includes: market position, offering, and operational platform. The result indicates five business model elements: prefabrication mode, role in the building process, end-user segments, system augmentation and complementary resources. Applying this construct to the five case companies revealed that one out of seven models was found to be viable in terms of both ‘market share’ and decision-makers’ opinions. One important conclusion is to take the prefabrication mode as the starting point for business model design and then adapt the other elements to a good fit

National Category
Building Technologies
Research subject
Timber Structures
Identifiers
urn:nbn:se:ltu:diva-12559 (URN)10.1080/01446193.2013.840734 (DOI)2-s2.0-84896547144 (Scopus ID)bb809322-e717-415d-9401-58e26acb5fc8 (Local ID)bb809322-e717-415d-9401-58e26acb5fc8 (Archive number)bb809322-e717-415d-9401-58e26acb5fc8 (OAI)
Note
Validerad; 2014; 20131010 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Höök, M. & Stehn, L. (2014). Exploring the management of multiple business models in one company (ed.). In: (Ed.), (Ed.), Proceedings 30th Annual Association of Researchers in Construction Management Conference: . Paper presented at Annual ARCOM Conference : 01/09/2014 - 03/09/2014 (pp. 1315-1324). : Association of Researchers in Construction Management
Open this publication in new window or tab >>Exploring the management of multiple business models in one company
2014 (English)In: Proceedings 30th Annual Association of Researchers in Construction Management Conference, Association of Researchers in Construction Management , 2014, p. 1315-1324Conference paper, Published paper (Refereed)
Abstract [en]

Increased demands for responsiveness and efficiency have led specialized Swedish manufacturing firms and contractors to adopt new production and product strategies. Some firms have adopted multiple business models (BMs) concurrently in order to be competitive in the modern market. A BM can be seen as a conceptual blueprint of a company's money earning logic, and can act as a guiding instrument towards competitiveness. It is known that companies trying to compete with both low-cost and differentiation BMs face challenges such as conflicting value chains and straddling costs. However, further understanding of various aspects of BMs, their implementation and effects (particularly in the construction industry) is required. Thus, the aim of this paper is to explore BM management in a manufacturing firm in the Swedish construction industry, which has adopted evolving BMs (some concurrently) in recent years. The results, based on analysis of long-term (15 years) process data, indicate that strategic events and decisions influence the management of parallel BMs, and that strategic events are important for competitiveness. They also show that successful balancing of concurrent BMs can yield synergistic benefits, such as resource flexibility and lower vulnerability in the construction market. Due to its exploratory nature, this work serves as a first step towards a wider and more general understanding of the management of multiple BMs in construction firms.

Place, publisher, year, edition, pages
Association of Researchers in Construction Management, 2014
National Category
Building Technologies
Research subject
Timber Structures
Identifiers
urn:nbn:se:ltu:diva-30978 (URN)500b925c-df27-49aa-8bb9-2e7f8ab7278a (Local ID)978-09-5523-908-3 (ISBN)500b925c-df27-49aa-8bb9-2e7f8ab7278a (Archive number)500b925c-df27-49aa-8bb9-2e7f8ab7278a (OAI)
Conference
Annual ARCOM Conference : 01/09/2014 - 03/09/2014
Note
Godkänd; 2014; 20141202 (johsod)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-3067-9451

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