Novel Cementitious Materials for Geotechnical Applications -Vibration Resistant Sprayed Concrete for Rock Tunnel Lining and Self compacting Backfill for Slope Upgrading Works
Innovations in material sciences create new opportunities to enhance the ways of construction in the geotechnical field. By streamlining the conventional construction procedures with the application of new materials, more efficient, more cost-effective and safer construction could be achieved. Two material development projects have been launched by the Geotechnical Engineering Office (GEO), Civil Engineering and Development Department, the Government of the Hong Kong Special Administrative Region, China, and the Nano and Advanced Materials Institute (NAMI) was commissioned to develop the vibration resistant sprayed concrete (VRSC) and the self-compacting backfilling material. This paper presents the development of the two novel materials with particular highlights on the benefits of their applications in rock tunnels and slope upgrading works respectively and addresses the potential development in further applications of the novel materials in the fields.
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