Research on the Dynamic Mechanical Properties and Constitutive Models of Steel Fiber Reinforced Concrete and Polypropylene Fiber Reinforced Concrete
Table 4
Main experimental results of cylindrical specimens.
Specimen number
Peak stress (MPa)
Peak strain
Toughness
a-n-1
16.9
0.00336
0.1269
a-n-2
18.7
0.00357
0.1707
a-n-3
19.4
0.00381
0.1735
a-n-4
20.1
0.00392
0.1858
a-n-5
21.6
0.0041
0.1280
b-p-1
21.6
0.00363
0.1721
b-p-2
24.2
0.00387
0.2094
b-p-3
25.4
0.00412
0.2478
b-p-4
26.5
0.00431
0.2318
b-p-5
28.9
0.00453
0.3665
c-p-1
23.0
0.00414
0.2119
c-p-2
25.4
0.00428
0.2449
c-p-3
26.3
0.00449
0.2433
c-p-4
9.45
0.00477
0.2872
c-p-5
31.3
0.00492
0.3681
d-p-1
2.8
0.00476
0.2706
d-p-2
26.3
0.00494
0.2974
d-p-3
27.4
0.00512
0.3425
d-p-4
30.0
0.00551
0.3839
d-p-5
31.9
0.00598
0.4691
e-s-1
24.4
0.0046
0.1519
e-s-2
27.3
0.0052
0.3369
e-s-3
29.1
0.00536
0.3651
e-s-4
32.6
0.00565
0.3286
e-s-5
34
0.00622
0.4351
f-s-1
25.3
0.00507
0.4690
f-s-2
28.5
0.00615
0.3123
f-s-3
31.1
0.00645
0.5567
f-s-4
33.6
0.00712
0.6272
f-s-5
37
0.00761
0.5045
g-s-1
28.2
0.00567
0.3370
g-s-2
33.0
0.00644
0.5492
g-s-3
34.5
0.00745
0.6503
g-s-4
36.3
0.00791
0.8063
g-s-5
40.9
0.00815
0.9213
Note: Peak strain, peak stress and toughness are the average values of three experiments. Toughness is the area of the stress-strain curve before peak stress.
