Improvement of Stop-Hole Method on Fatigue-Cracked Steel Plates by Using High-Strength Bolts and CFRP Strips

Table 3

Summary of load cases of test specimens.

Strengthening method	Specimen	Load range (kN)
Unrepaired (Group 1)	1-1	16.7∼166.7
	1-2	19.4∼194.4
	1–3	22.2∼222.2
Only stop-hole (Group 2)	2-1	16.7∼166.7
	2-2	19.4∼194.4
	2-3	22.2∼222.2
High-strength bolt stop-hole (Group 3)	3–1	16.7∼166.7
	3-2	19.4∼194.4
	3-3	22.2∼222.2
High-modulus CFRP (Group 4)	4–1	16.7∼166.7
	4-2	19.4∼194.4
	4-3	22.2∼222.2