Flexural Behaviour of RC Beams Strengthened with Prestressed CFRP NSM Tendon Using New Prestressing System

Table 3

Summary of experimental results.

	Yielding				Maximum				Failure mode
	kNmm	kN	mm		kNmm	kN	mm
Control-27 MPa	23006	43.82	11.52	1	25799	49.14	46.49	1	a	4.03
SL90-E-0	33448	63.71	13.82	1.45	59220	112.8	61.89	2.3	b	4.48
SL90-E-20	41528	79.1	15.36	1.81	62543	119.13	53.78	2.42	b	3.5
SL90-E-40	47345	90.18	16.08	2.06	62029	118.15	38.46	2.4	b	2.39
SL70-E-50	52889	100.74	18.09	2.3	62606	119.25	38.48	2.43	b, c	2.13
SL83-E-40	49009	93.35	15.5	2.13	67032	127.68	43.04	2.6	b	2.78
SL77-E-40	48269	91.94	17.83	2.1	67872	129.28	46.37	2.63	c	2.6
SL70-E-40	48878	93.1	17.99	2.12	60344	114.94	45.09	2.34	c	2.51

a: flexural failure; b: rupture of CFRP tendon; c: increased cracking of anchor plate.