1. ACI 209R, prediction of creep, shrinkage and temperature effects in concrete structures. American Concrete Institute, Committee 209; 1992.
2. Sprayed concrete – properties, design and application;Austin,1995
3. Byfors J. Plain concrete at early ages, technical report. Swedish Cement and Concrete Research Institute; 1980.
4. CEB-FIP model code, design code – comite Euro-international du Beton. London (UK): Thomas Telford; 1990.
5. Chang Y. Tunnel support with shotcrete in weak rock – a rock mechanics study. PhD thesis, Royal Institute of Technology, Stockholm; 1994.