Table 7: Characteristic point data of bond-slip curve.

Specimen group no. fcu,0
(MPa)
ft,0
(MPa)
τs
(MPa)
ss
(mm)
τcr
(MPa)
scr
(mm)
τu
(MPa)
su
(mm)
5dC30R 35.57 2.18 2.74 0.06 13.40 0.47 17.00 1.64
5dC30 35.57 2.18 2.76 0.10 13.48 0.42 17.38 1.55
5dC40R 47.86 2.65 2.05 0.09 17.61 0.35 20.35 0.78
5dC40 47.86 2.65 3.00 0.06 18.60 0.27 21.13 0.93
5dC50R 52.23 2.86 3.03 0.06 17.92 0.22 21.56 0.82
5dC50 52.23 2.86 3.23 0.06 17.45 0.18 21.23 1.10
8dC30R 35.57 2.18 2.91 0.06 11.74 0.27 12.30 0.90
8dC30 35.57 2.18 2.09 0.05 11.38 0.13 12.44 0.75
8dC40R 47.86 2.65 1.86 0.08 10.30 0.26 14.85 1.27
8dC40 47.86 2.65 2.17 0.05 12.52 0.19 13.23 0.87
8dC50R 52.23 2.86 2.50 0.07 10.23 0.26 13.35 1.21
8dC50 52.23 2.86 2.78 0.05 10.21 0.14 12.99 0.78
10dC30R 35.57 2.18 1.95 0.06 9.66 0.20 11.89 1.06
10dC30 35.57 2.18 1.90 0.05 9.77 0.16 11.65 0.76
10dC40 47.86 2.65 2.03 0.05 9.88 0.12 11.12 0.70