Table 1 Tensile test results of TRM specimens in this study.
Specimen | Initial stiffness | Cracking strength | Cracking strain | Elastic modulus of cracked stage | Peak strength | Ultimate strain | ffu/fft | Failure mode | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E (GPa) | COV | fft (MPa) | COV | ε ft | COV | Ef (GPa) | COV | ffu (MPa) | COV | ε fu | COV | |||
BASE | 7211.1 | 0.029 | 838.8 | 0.174 | 0.00012 | 0.184 | 39.2a | – | 846.0a | – | 0.0044 | 0.016 | 1.01 | C |
SPREAD | 2216.4 | 0.045 | 891.7 | 0.0035 | 0.00040 | 0.054 | 155.3 | 0.329 | 1580.7 | 0.0039 | 0.0059 | 0.192 | 1.77 | A or B |
TAB | 7451.4 | 1.051 | 976.7 | 0.153 | 0.00027 | 0.987 | 106.4 | 0.469 | 1501.1 | 0.173 | 0.0055 | 0.740 | 1.54 | A or B |
REBAR | 1545.6 | 0.037 | 864.3 | 0.104 | 0.00059 | 0.072 | 8.6 | 1.003 | 987.6 | 0.0281 | 0.01 | 0 | 1.14 | C |
L_COAT | 10596.2a | – | 1602.5a | – | 0.00015a | – | 19.1a | – | 1646.0a | – | 0.0021a | – | 1.02 | A or B |
SL_COAT | 3609.3 | 0.080 | 1393.2 | 0.118 | 0.00039 | 0.018 | 120.5 | 0.912 | 1673.9 | 0.035 | 0.0035 | 0.323 | 1.20 | A or B |