References

[1]TENG J G,YU T,WONG Y L,et al.Hybrid FRP-concrete-steel tubular columns:concept and behavior[J].Construction and building materials,2007,21(4):846-854.

[2]TENG J G,WANG Z H,YU T,et al.Double-tube concrete columns with a highstrength internal steel tube:Concept and behavior under axial compression[J].Advances in Structural Engineering,2018,21(10):1585-1594.

[3]EN 1994-1-1,Eurocode 4:Design of Composite Steel and Concrete Structures—Part 1-1:General Rules and Rules for Buildings[S].European Committee for Standardization,2004.(https://www.daowen.com)

[4]EN 1993-1-1.Eurocode 3:Design of steel structures—Part 1-1:General rules and rules for buildings[S].European Committee for Standardization,2005.

[5]LAM L,TENG J G.Design-oriented stressstrain model for FRP-confined concrete[J].Construction and Building Materials,2009,17(6-7):471-489.