Experimental Study on Eccentric Compressive Performance of Concrete Column Strengthened with CFRP Grid Reinforced ECC Matrix

Table 4

Test results.

Specimen ID	Peak load (kN)	Compressive strength enhancement (%)	Lateral deflection corresponding to (mm)	Initial lateral rigidity (kNmm^2)	Lateral rigidity enhancement (%)
P-L0-e1	610	—	7.25	2.22	—
P-L0-e2	380	—	8.75	2.65	—
P-L0-e3	263	—	13.35	1.57	—
S-L1-e2	440	15.8	12.05	1.68	—
S-L2-e2	483	27.1	8.31	3.23	21.9
S-L3-e2	528	38.9	9.76	3.33	25.7
S-L2-e1	794	30.2	4.74	6.98	214.4
S-L2-e3	340	29.3	9.67	3.73	148.7
S-L2-e2-S	469	23.4	9.78	3.19	20.4
S-L2-e2-M	505	32.9	12.37	3.38	27.5