Stress-Strain Relationship of Steel Fiber Reinforced Alkali Activated Slag Concrete under Static Compression
Table 3
Compressive strength, Young’s Elastic Modulus, Poisson’s ratio elastic modulus, peak strain, and ultimate strain test results.
Specimen ID
Vf (%)
λf
εc,r
εcu
fcu (MPa)
fc,r (MPa)
E (GPa)
μ
k
SAC1
0
0
0.00168
0.00221
45.2
40.2
25.5
0.148
1.32
SAC2
0.5
0.20
0.00181
0.00245
53.4
43.8
25.9
0.171
1.35
SAC3
0.9
0.36
0.00188
0.00255
55.2
46.6
27.2
0.189
1.36
SAC4
1.0
0.40
0.00191
0.00264
56.0
47.5
27.5
0.199
1.38
SAC5
1.1
0.44
0.00211
0.00328
58.5
53.8
27.7
0.202
1.55
SAC6
1.2
0.48
0.00220
0.00401
60.7
55.0
28.7
0.210
1.82
SAC7
1.3
0.52
0.00243
0.00440
64.6
59.2
30.4
0.219
1.81
SAC8
1.4
0.56
0.00319
0.00582
70.0
67.6
30.6
0.226
1.82
εc,r is peak strain, εcu is ultimate strain, fcu is the cube compressive strength, and fc,r is the axial compressive strength. The data of εc,r, εcu, fcu, fc,r, E, and μ in Table 3 are averaged data.
