Bouygues Travaux Publics

The main function of RFID is to track the whole production cycle of precast segments for the TBM tunnel. The proposed platform is a computer-based RFID Building Components tracking system that provides efficient BC database management using RFID technology as well as convenient means such as BC data management, workflow tracking, data enquiry etc. The system consists of a main web-based program and several handheld devices. In the hardware section, there are Host Server, RFID tags, RFID Handheld Readers and Client Browser. Both the Host Server and Handheld Reader have software installed on them for processing the segment information. The Client can connect to the Host Server Network via general internet network. The RFID Tags would be installed as a cast-in item being embedded into the precast concrete segments. The series of checkpoints have been developed following the flow of segment production, delivery and installation. The positions and orientation of the embedded type of RFID Tags would be fixed to the rebar cage of the precast segments before concreting as per supplier’s recommendation. By scanning RFID tags using the handheld device, data at each checkpoint will be input to the web-based application automatically, i.e. from segment fabrication yard to IRTS site for ring erection, the update precast segment information can be managed in the web application for checking and reporting purpose. Monitoring of the fabrication workflow and logistic of precast concrete tunnel segments is essential to ensure the delivery is meeting the progress of TBM tunnelling works. Quality assurance is essential to the massive quantity production of precast elements. We casted the segments with the cast-in RFID tags to make all tunnel segments become highly trackable through manufacturing, logistic and installation stages. Accurate digitized records will benefit the identification of status for each segment in different fabrication stage by effectively disclosing the required information via the Web-based Application. After login into the web-based system, detailed reports can be generated by users in the main user categories, i.e. checkpoint manager, checkpoint operator and system administrator. The main function of RFID in our project is to track the whole production cycle of precast segments for the TBM tunnel, which will bring the following benefits to the project: • Save time and cost by advanced collaboration • Increase consistency and accuracy of information • Traceability on as-built (casting) information for quality monitoring • Improve environmental performance by saving unnecessary paper records Integration of BIM with RFID Data from RFID database platform for the precast segments are sychronized in BIM. By using BIM, users can visualize the logistics of precast segments explicitly which benefits on the change management. For facility management, the operation and maintenance manuals will be linked to individual segments installed at the tunnel segmental lining in the BIM model. It will form the system of asset information for future maintenance.

This category rewards innovation that is boosting productivity, safety or quality in the design and construction of tunnel shafts, the construction process of tunnel linings, and the excavation process of a tunnelling scheme through new products, equipment or methods. The innovative product, equipment or methodology must have been used on a specific project and be able to demonstrate benefits to the overall project outcome and have delivered greater client satisfaction.

VINCI Construction Grands Projets is a subsidiary of VINCI, a global player in concessions and construction, employing more than 211,000 people in some 100 countries. The mission of VINCI is to design, finance, build and operate infrastructure and facilities that help improve daily life and mobility for all. Following on from successful projects, VINCI Construction Grands Projets London office was established in 1992 to ensure the development of local long-term UK partnerships. Established for more than 25 years, VINCI Construction Grands Projets is involved in the construction of major civil engineering structures with key customers.