Strengthening Reinforced Concrete Beams with CFRP and GFRP

Table 3

Mechanical properties of the sample beams.

Number	Sample	Type	Quantity	Surface (mm^2)	Reinforcement ratio	𝑓ck (N/mm^2)	𝑓yk (N/mm^2)	𝑓su (N/mm^2)
1	K101	S420a	2ø12	37500	0.00602	0.0036	44.93	68
2	K102	S420a	2ø12	37500	0.00602	0.0036	44.93	68
3	K103	S420a	2ø12	37500	0.00602	0.0036	44.93	68
4	KG201	S420a	2ø12	37500	0.00602	0.0036	44.93	68
5	KG202	S420a	2ø12	37500	0.00602	0.0036	44.93	68
6	KG203	S420a	2ø12	37500	0.00602	0.0036	44.93	68
7	KG301	S420a	2ø12	37500	0.00602	0.0036	44.93	68
8	KG302	S420a	2ø12	37500	0.00602	0.0036	44.93	68
9	KG303	S420a	2ø12	37500	0.00602	0.0036	44.93	68

𝑓_ck: concrete cylinder compressive strength, 𝑓_yk: steel yield strength, and 𝑓_su: steel tensile strength.