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Abstract: The contribution discusses the application of 3D laserscanning for the monitoring of tunnel segment deformation during TBM excavation. The measuring technology allows for scanning segmental linings directly from running TBMs with a high spatial and temporal resolution and accuracy. From static scans characteristic geometric parameters such as segment radius, orientation of segment axis, joint...
Abstract: In the contribution a new drone based deformation monitoring system is presented that is currently developed by Geodata Group, 3GSM GmbH and Georesearch Forschungsgesellschaft mbH in the funded EUREKA research project Defdrone_3D and practically tested at the recently started Austrian tunnel project Zentrum am Berg (ZaB). The system is designed for monitoring the 3D displacements of structures...
Abstract: Consecutive measurements play a key role in the successful construction of underground facilities. While surveying and deformation monitoring are considered as indispensable during tunnel excavation, the prediction of geological conditions ahead of the face and around the tunnel cross-section is a topic of ongoing research. Geophysical methods provide a useful tool to meet this challenge. Since...
Abstract: The contribution presents a camera system for the geological documentation in mechanized tunneling that can be applied in TBM maintenance phases. The camera system is developed in the current R&D project TBMonitor and field-tested in a hard rock TBM drive of the Brenner Base Tunnel constructed by the ARGE Tulfes Pfons, a bidding consortium of Strabag AG and Salini Impregilo S.p.A. It provides...