Shear Strength of Reinforced Recycled Aggregate Concrete Corbels

Table 10

The ratio of 8 comparison cases of corbels.

Case	Crack load state	Ultimate load state	Description of controlled parameters
C2/C1	0.95	0.99	Replacement aggregate 0–100% and fcu = 25 MPa
C4/C3	0.91	0.96	Replacement aggregate 0–50% and fcu = 35 MPa
C6/C5	0.91	0.93	Replacement aggregate 50–100% and fcu = 45 MPa
C8/C7	1.15	1.43	Concrete strength 25–45 MPa with 50% RA
C3/C1	1.14	1.13	Concrete strength 25–35 MPa with 0% RA
C5/C4	1.11	1.16	Concrete strength 35–45 MPa with 50% RA
C6/C2	1.00	1.18	Concrete strength 25–45 MPa with 100% RA
C8/C5	1.08	1.20	a/d 0.5–0.35 with fcu = 45 MPa and RA = 50%