Investigation on Seismic Performance of Bidirectional Self-Centering Reinforced Concrete Frame Structures by Shaking Table Tests

Table 3

Measured parameters of concrete.

Location	Structural members	Compressive strength fcu,k (MPa)	Young’s modulus Ec (MPa)
Second story	Beams, columns, and floor slab	34.4	3.12 × 10^4
First story	Beams, columns, and floor slab	33.2	3.08 × 10^4
Base	Base beams	36.7	3.18 × 10^4