Tunnel spoil recycling for concrete production at the Brenner Base tunnel in Austria

• Published in: Structural concrete : journal of the FIB Vol. 21; no. 6; pp. 2795 - 2809
• Main Authors: Voit, Klaus, Murr, Roland, Cordes, Tobias, Zeman, Oliver, Bergmeister, Konrad
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY‐VCH Verlag GmbH & Co. KGaA 01.12.2020; Wiley Subscription Services, Inc
• Subjects: aggregate for concrete; aggregate substitute; Bedrock; Brenner Base tunnel; Bündner schists; calcareous schists; Caverns; Concrete; Construction materials; Construction sites; Excavation; excavation material recycling; material management; Mica; Optimization; quartz phyllite; Recycling; Rock masses; Rock properties; Sprayed concrete; Tunnel construction; tunnel spoil; Austria

In the construction of major tunnel structures, large quantities of rock material are generated by the excavation of, for example, tunnels or caverns out of the in situ rock mass. Excavated rock material was often considered as undesired by‐product and from a legal point of view as waste in the past...