16
1 Static Mechanical Properties of UHPCC
Fig. 1.14 Direct tensile
cracking behavior of
UHPCC with a no mixing
fiber b micro-straight fiber
c hooked fiber, Ren et al.
(2018), copyright 2020, with
permission from Elsevier
Table 1.6 Direct tensile test results (unit MPa)
Test No.
S1
S2
S3
Average
Test No.
S1
S2
S3
Average
N500-0
6.7
5.9
6.9
6.50
–
S500-0.5
7.8
7.7
–
7.75
H500-0.5
–
6.0
7.5
6.75
S500-1.0
7.6
–
9.1
8.35
H500-1.0
7.0
7.6
8.0
7.53
S500-1.5
7.5
–
9.0
8.25
H500-1.5
–
6.5
8.3
7.40
S500-2.0
–
9.6
8.3
8.95
H500-2.0
7.2
7.6
7.8
7.53
S500-2.5
6.8
7.8
8.3
7.63
H500-2.5
8.2
8.5
–
8.35
Fig. 1.15 Effects of steel
fiber content and type on the
tensile strength of UHPCC,
Ren et al. (2018), copyright
2020, with permission from
Elsevier
0.0
0.5
1.0
1.5
2.0
2.5
3.0
5
6
7
8
9
10
Tensile strength (MPa)
Steel fiber content (%)
Micro-straight fiber
Hooked fiber