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Frontiers of Engineering Management >> 2020, Volume 7, Issue 4 doi: 10.1007/s42524-020-0127-z

The quality traceability system for prefabricated buildings using blockchain: An integrated framework

. Institute of Project Management, School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China.. School of Information Engineering, Jiangsu Key Laboratory of Auditing Information Engineering, Nanjing Audit University, Nanjing 211815, China.. Department of Building Engineering, College of Civil Engineering; Key Laboratory of Performance Evolution and Control for Engineering Structures of Ministry of Education; Shanghai Institute of Intelligent Science and Technology, Tongji University, Shanghai 200092, China

Received: 2020-06-30 Accepted: 2020-08-06 Available online: 2020-08-06

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Abstract

The quality traceability of precast components has largely affected the widespread adoption of prefabricated buildings. Blockchain technology provides an effective solution to change the centralized storage mode of traditional traceability system and its related disadvantages. In this paper, we propose a framework of quality traceability system for precast components based on blockchain technology. The system framework adopts a hybrid blockchain architecture and dual storage mode, defines three types of smart contracts, and creates an interactive and efficient source tracing query method, which could effectively achieve the goals of decentralization, openness, and non-tamperability, as well as efficient traceability.

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