1[1]TA Melbye & RH Dimmock,01' "Modern Advances and applications of sprayed concrete," International Conference on Engineering Developments in Shotcrete,Tasmania,2001.
2[2]EFNARC,‘96."The European Specification for sprayed concrete,"published by EFNARC,Hampshire,UK.
3[3]TA Melbye,RH Dimmock & KF Garshol,‘01."Sprayed concrete for rock support,"published by MBT UGC,9th edition,2001.
4[4]C Eddie,‘03."LaserShell leads the way for SCL tunnels." T&T International,Vol 35,No 6.
