462
13 Experimental and Numerical Studies on Dynamic Behavior …
Fig. 13.14 Stress-strain
relationships of UHPCC
under uniaxial
a compression and b tension
0.000
0.002
0.004
0.006
0.008
0.010
0.012
0
20
40
60
80
100
120
140
Stress (MPa)
Strain
Test
Simulation
(a)
0.000
0.003
0.006
0.009
0.012
0.015
0
2
4
6
8
10
Stress (MPa)
Strain
Tested
Simulated
(b)
DIF t =
(˙ ε/˙ ε 0 )
0.018
for ˙
ε ≤ 10.3s
−1
9.959 log ˙
ε − 8.718 for ˙
ε > 10.3s
−1
(13.21)
where ˙
ε is the strain rate, and ˙
ε 0 = 10
−6 s
−1 is the static strain rate.
13 Experimental and Numerical Studies on Dynamic Behavior …
Fig. 13.14 Stress-strain
relationships of UHPCC
under uniaxial
a compression and b tension
0.000
0.002
0.004
0.006
0.008
0.010
0.012
0
20
40
60
80
100
120
140
Stress (MPa)
Strain
Test
Simulation
(a)
0.000
0.003
0.006
0.009
0.012
0.015
0
2
4
6
8
10
Stress (MPa)
Strain
Tested
Simulated
(b)
DIF t =
(˙ ε/˙ ε 0 )
0.018
for ˙
ε ≤ 10.3s
−1
9.959 log ˙
ε − 8.718 for ˙
ε > 10.3s
−1
(13.21)
where ˙
ε is the strain rate, and ˙
ε 0 = 10
−6 s
−1 is the static strain rate.