Influence of Ground Temperature on Shotcrete-to-Rock Adhesion in Tunnels

Table 4

Raw materials of wet-sprayed shotcrete [47].

Material	Cement	Sand	Gravel	Water reducer	Accelerated agent
Type	P.O42.5R	Machine-made sand, medium sand with 12% stone powder content	5–15 mm continuous grading	TK-SP polycarboxylic acid type	Alkali-free liquid BASF type