1. Building code requirements for reinforced concrete (ACI318-89) and commentary (318R-89);ACI Committee 318,1989
2. Tunnel engineering handbook;Bickel,1982
3. Mechanical analysis of circular liners with particular reference to composite supports. For example, liners consisting of shotcrete and steel sets;Carranza-Torres;Tunnelling and Underground Space Technology,2009
4. Metro Santiago—underground works of the new line 5 to Maipu;Gomes,2009
5. Application of ground freezing for underground construction in soft ground;Habetaand,2006