Issue 67

H. S. Vishwanatha et alii, Frattura ed Integrità Strutturale, 67 (2024) 43-57; DOI: 10.3221/IGF-ESIS.67.04

Mean size of Aggregate12.5mm (a)

Aggregate size between 4.75mm to 20mm (b)

Fraction of CA

54%

50%

40%

38%

54%

50%

40%

38%

Model-1 Model-2 Model-3

2.8 2.9 3.2

3.2 3.5 3.1

5

3.9 3.8 4.0

5

4.5

5

4.8

S-B1

4.7 4.2

4.8 4.7

4

5.2 5.3

5

4.3

5.1

Mean (µ)

2.97 0.17 3.48 2.46

3.27 0.17 3.78 2.76

4.63 0.33 5.62 3.64

3.90 0.08 4.14 3.66

4.83 0.12 5.21 4.46

4.27 0.21 4.88 3.65

5.17 0.12 5.54 4.79

4.97 0.12 5.34 4.59

Standard Deviation ( σ )

µ±3 σ (99.7%)

Table 3: Ultimate load (kN) for Case1(a) and (b)

Fraction of CA

Mean size of Aggregate12.5mm (a)

Aggregate size between 4.75mm to 20mm (b)

54%

50%

40%

38%

54%

50%

40%

38%

Model-1 Model-2 Model-3

2.5 2.6 2.1

2.7 2.8 2.7

3.4 3.2 3.3

3.5 3.2 3.7

2.2 2.7 2.5

2.8 2.9 2.5

3.2 3.1 3.3

3.5 3.4 3.6

S-B1

Mean (µ)

2.40 0.22 3.05 1.75

2.73 0.05 2.87 2.59

3.30 0.08 3.54 3.06

3.47 0.21 4.08 2.85

2.47 0.21 3.08 1.85

2.73 0.17 3.24 2.22

3.20 0.08 3.44 2.96

3.50 0.08 3.74 3.26

Standard Deviation( σ )

µ±3 σ (99.7%)

Table 4: Ultimate load (kN) for Case2(a) and (b)

a. 38%CA

b. 40%CA

c. 50%CA

d. 54%CA Figure 6: Case1(a) Load -Deflection curve for CA of mean size 12.5mm.

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