Investigation on the Displacement Ductility Coefficient of Reinforced Concrete Columns Strengthened with Textile-Reinforced Concrete

Table 3

Absolute difference of the specimens.

Serial number	Ductility coefficient	Reinforcement layer	Axial compression ratio	Shear span ratio	Stirrup reinforcement ratio	Concrete strength grade
1	1	0	0	0	0	0
2	0.64	0.64	0.36	0.36	0.36	0.36
3	1.02	0.98	0.02	0.02	0.02	0.02
4	0.96	2.04	0.04	0.04	0.04	0.04
5	0.98	3.02	0.02	0.02	0.02	0.02
6	1.57	0.43	0.9	0.57	0.57	0.57
7	0.78	1.22	0.55	0.22	0.22	0.22
8	0.55	1.45	1.12	0.45	0.45	0.45
9	0.5	1.5	0.5	0.03	0.5	0.5
10	0.99	1.01	0.01	0.48	0.01	0.01
11	1.12	0.88	0.12	0.12	0.85	0.12
12	0.79	1.21	0.21	0.21	0.14	0.21
13	0.56	1.44	0.44	0.44	0.44	0.19
14	0.74	1.26	0.26	0.26	0.26	0.51
15	0.74	1.26	0.26	0.26	0.26	0.76