1. Chongqing University, A steel-concrete composite structure adapter for wind turbines. CN Patent: CN113719419A, 2021-11-30.
2. An investigation of the load carrying capacity of concrete-filled steel tubes and development of design formula;Kloppel;Der Stahlbau,1957
3. Structural behaviour of concrete filled steel tubes;Gardner;ACI Struct J,1967
4. Axial load design for concrete filled steel tubes;Knowles;J Struct Div,1970
5. Local buckling of thin-walled circular steel sections with or without internal restraint;O'Shea;J Constr Steel Res,1997