Effective use of fibres of various types and material for shotcrete in rock support for tunnels

Large volumes of steel fibre reinforced shotcrete (sprayed concrete) and steel bolts are commonly used to support tunnels in hard rock. This generates a high CO2-footprint which must be reduced in order to decelerate the continuously increasing average temperature worldwide caused by the emissions o...

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Veröffentlicht in:	Expanding Underground - Knowledge and Passion to Make a Positive Impact on the World S. 932 - 939
Hauptverfasser:	Sjölander, A., Ansell, A., Nordström, E.
Format:	Buchkapitel
Sprache:	Englisch
Veröffentlicht:	United Kingdom CRC Press 2023 Taylor & Francis Group
Ausgabe:	1
Schlagworte:	Geological Strength Index Cast Beams Overburden Basalt Fibres Synthetic Fibres Steel Fibres Post-cracking Performance ASTM C1550 Residual Flexural Strength Excavated Rock Mass Rock Mass Above Ground Fibre Types BIM BIM Model Energy Absorption Required Energy Absorption Rock Bolts Shotcrete Mix Rock Support EPD SEM Steel Rock Bolts SCL Fibre Reinforced Shotcrete
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