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Blockchain technology in construction industry: Transparency and traceability in supply chain
KTH, School of Architecture and the Built Environment (ABE), Real Estate and Construction Management.
KTH, School of Architecture and the Built Environment (ABE), Real Estate and Construction Management.
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Blockkedjeteknik i byggindustrin : Transparens och spårbarhet i leverantörsledet (Swedish)
Abstract [en]

There is an increasing number of construction products that are manufactured globally through complex supply chains. The results of this is that quality requirements are increasing and the construction industry look towards ways to reassure the sustainability of the materials in their supply chains. The aim of this study is to explore how the new blockchain technology may be used to meet today´s and future requirements of the construction industry and analyze the potential consequences of using the technology. Our work examine how the blockchain technology can support supply chain transparency and material traceability. To explore and analyze how the technology may affect the supply chain of a specific material a case study has been carried out. The task has been focused on how a specific material is handled throughout a suppliers supply chain, from where it originates until final use by a contractor. A hypothetical supply chain has been set-up and analyzed in terms of transparency, traceability and the potential consequences of using the blockchain technology. We have specifically focused on how the blockchain system could be set-up, who should own the blockchain system and what are the sustainable aspects of using blockchain.  The conclusion is that blockchain technology can improve the transparency throughout the entire supply chain. However the need for a complementary technology is needed in order to handle all the problems with traceability. One example of this complementary technology is RFID tagging. Furthermore, some of the consequences that has been identified are; it improves the way to handle supply chain documentation, the reputation of the industry improves, the possibility to remove third party organs increases. 

Abstract [sv]

Med ökat antal byggmaterial som tillverkas genom globala komplexa försörjningskedjor ökarkvalitetskraven inom byggbranschen samt behovet att säkerställa hållbarheten hos dessamaterial. Syftet med denna studie är att bedöma hur blockkedjeteknik kan användas för attsäkerställa dagens och framtidens krav på byggindustrin och analysera dess potentiellakonsekvenser vid ett användande av tekniken. Detta arbete undersöker följaktligen hurblockkedjeteknik kan stödja transparens och spårbarhet i leverantörsledet.För att analysera hur tekniken kan påverka en typ av byggmaterial har en fallstudie utförts isyfte att kartlägga ett leverantörsled. Fallstudien har fokuserat på hur materialet hanteras, fråndess ursprung tills att det anländer till byggarbetsplatsen. En hypotetisk leverantörskedja harkonstruerats och analyserats i termer av transparens, spårbarhet och vilka olika konsekvenserdet kan medföra. Vi har speciellt fokuserat på hur blockkedjesystemet kan konstrueras, vemsom ska äga systemet och hållbara aspekter.Slutsatsen är att blockkedjeteknik kan öka transparensen genom hela leverantörsledet. Detfinns emellertid ett behov av komplimenterande teknik att lösa spårbarhet. Ett exempel pådenna komplimenterande teknik är RFID taggning. Slutligen har ett antal konsekvenserfastställts vid ett användande som är; hanteringen av dokumentationen förbättras, ryktet inomindustrin förbättras och möjligheten att ersätta tredjepartsorgan ökar.

Place, publisher, year, edition, pages
2018. , p. 56
Series
TRITA-ABE-MBT ; 18241
Keywords [en]
Supply chain, construction industry, blockchain, transparency, traceability, quality management, digital tools
Keywords [sv]
Leverantörsleden, byggindustrin, blockkedjeteknik, transparens, spårbarhet, kvalitetshantering, digitala hjälpmedel
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-231752OAI: oai:DiVA.org:kth-231752DiVA, id: diva2:1229861
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NCC
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Available from: 2018-07-02 Created: 2018-07-02 Last updated: 2018-07-02Bibliographically approved

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