1. Settlement and load transfer of ring foundation for tower silos;Becker;Can Geotech J,1979
2. Pore-pressure response beneath a ring foundation on clay;Lo;Can Geotech J,1979
3. Bearing capacity of clays for tower silos;Bozozuk;Can Agric Eng,1974
4. Design and construction of a ring foundation for a radio-television tower;Ostroumov;Soil Mech Found Eng,2007
5. API. Welded tanks for oil storage. 12th ed. American Petroleum Institute; 2013. p. 394.