84
4 Triaxial Compressive Behavior of UHPCC …
Table 4.2 Triaxial compression test results
No
f
c (MPa) Confinement
ratio σ 3
f
c
Peak
axial
strength
ratio
σ u
1
f
c
Peak
axial
strain ε u
1
Peak
lateral
strain ε u
3
Modulus
of
elasticity
E (GPa)
Poisson’s
ratio ν
TC1-1
95
0
0.95
0.0060
−0.0045 24.0
0.25
TC1-2
0
1.04
0.0067
−0.0056 25.9
0.25
TC1-3
0.11
1.67
0.0141
−0.0075 24.2
0.38
TC1-4
0.21
2.20
0.0176
−0.0063 26.2
0.23
TC1-5
0.32
2.60
0.0229
−0.0055 24.9
0.15
TC1-6
0.42
3.02
0.0256
−0.0136 28.1
0.33
TC1-7
0.63
3.23
0.0262
−0.0068 24.9
0.21
TC1-8
0.84
4.46
0.0358
−0.0101 27.3
0.13
TC2-1 129
0
0.98
0.0062
−0.0009 30.8
0.07
TC2-2
0
1.03
0.0058
−0.0012 32.0
0.05
TC2-3
0.08
1.63
0.0086
−0.0026 31.8
0.16
TC2-4
0.16
1.90
0.0101
−0.0040 30.9
0.27
TC2-5
0.23
2.22
0.0135
−0.0036 32.7
0.28
TC2-6
0.31
2.56
0.0172
−0.0069 32.0
0.16
TC2-7
0.47
2.89
0.0226
−0.0046 30.1
0.15
TC2-8
0.62
3.54
0.0302
−0.0082 34.0
0.25
TC2-9
0.78
3.74
0.0318
−0.0078 28.0
0.22
Fig. 4.6 Relationship of
ε u
1 /ε u
c with σ 3 /f
c from
present test on UHPCC,
reprinted from Ren et al.
(2016), copyright 2020, with
permission from Elsevier