Table 2 Sample tests results (the description of the designations used in the text).

From: Effects of the addition of short straight steel fibers on the strength and strains of high-strength concrete during compression

 

fc

ε0LVDT

ε0GAUGE

ε0DIC

v

TR

ρ

s. No

MPa

m/s

-

kg/m3

A1

97.2

3.34

3.25

3.74

4660

0.116

2304

A2

101.6

3.12

3.19

3.30

4702

0.105

2313

A3

97.7

3.29

3.11

2.98

4688

0.097

2304

A4

94.8

3.00

3.06

2.99

4710

0.100

2306

A5

87.5

3.14

2.85

3.38

4690

0.094

2264

A6

93.0

3.02

3.02

3.09

4679

0.096

2288

x

95.3

3.15

3.08

3.24

4688

0.102

2297

s

4.8

0.14

0.14

0.29

17.60

0.01

17.91

ν

5.0%

4.5%

4.6%

9.0%

0.4%

7.9%

0.8%

B1

107.7

3.40

3.29

3.11

4800

0.117

2363

B2

79.9

2.96

2.50

2.73

4772

0.091

2290

B3

112.8

3.86

3.61

3.61

4856

0.118

2368

B4

102.9

3.35

3.20

3.95

4754

0.104

2371

B5

109.3

3.64

3.54

4.18

4753

0.123

2361

B6

114.1

3.68

3.81

4.13

4753

0.128

2364

x

104.4

3.48

3.32

3.62

4781

0.114

2353

s

12.7

0.32

0.46

0.59

40.90

0.01

30.99

ν

12.1%

9.1%

13.8%

16.2%

0.9%

11.9%

1.3%

C1

117.1

3.82

3.58

3.13

4893

0.122

2410

C2

117.5

3.95

3.48

3.91

4897

0.114

2405

C3

110.2

3.64

3.56

3.32

4826

0.128

2414

C4

115.5

3.60

3.57

4.34

4783

0.127

2403

C5

117.9

3.88

3.58

3.78

4904

0.132

2415

C6

113.8

3.59

3.47

4.38

4895

0.111

2409

x

115.3

3.75

3.54

3.81

4866

0.122

2409

s

2.94

0.16

0.05

0.51

49.93

0.01

4.76

ν

2.6%

4.2%

1.4%

13.5%

1.0%

6.7%

0.2%