Bearing Capacity of Recycled Self-Compacting Concrete-Filled Circular Steel Tubular Long Columns Subjected to Axial Load

Figure 9

Effects of the studied parameters on the stiffness. (a) RSCC strength grade. (A) Specimens with L/D 7.14. (B) Specimens with L/D 10.17. (b) Slenderness ratio. (A) Specimens of C30 concrete. (B) Specimens of C50 concrete. (C) Specimens of C60 concrete.

(a)

(b)