Issue 67

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

Figure 13: Case2(b) Load-Deflection comparison.

Mean size of Aggregate12.5mm (a)

Aggregate size between 4.75mm to 20mm (b)

Fraction of CA

54% 0.37 0.25 0.22 0.28 0.06 0.47 0.09

50% 0.36 0.30 0.21 0.29 0.06 0.47 0.11

40% 0.21 0.19 0.22 0.21 0.01 0.24 0.17

38% 0.19 0.18 0.21 0.19 0.01 0.23 0.16

54% 0.20 0.22 0.19 0.20 0.01 0.24 0.17

50% 0.18 0.20 0.19 0.19 0.01 0.21 0.17

40% 0.22 0.18 0.16 0.28 0.06 0.47 0.09

38% 0.16 0.14 0.13 0.29 0.06 0.47 0.11

Model-1 Model-2 Model-3

S-B1

Mean (µ)

Standard Deviation( σ )

µ±3 σ (99.7%)

Table 5: Displacement (mm) at maximum load for Case1(a) and (b).

Mean size of Aggregate12.5mm (a)

Aggregate size between 4.75mm to 20mm (b)

Fraction of CA

54% 0.09 0.11 0.15 0.50 0.50 0.12 0.02

50% 0.11 0.13 0.12 0.66 0.66 0.12 0.01

40% 0.14 0.16 0.15 0.68 0.68 0.15 0.01

38% 0.17 0.15 0.14 0.78 0.78 0.15 0.01

54% 0.09 0.10 0.12 0.53 0.53 0.10 0.01

50% 0.11 0.13 0.13 0.70 0.70 0.12 0.01

40% 0.14 0.13 0.12 0.77 0.77 0.12 0.02

38% 0.11 0.12 0.10 0.88 0.88 0.12 0.01

Model-1 Model-2 Model-3

S-B1

Mean (µ)

Standard Deviation( σ )

µ±3 σ (99.7%)

Table 6: Displacement (mm) at maximum load for Case 2 (a) and (b).

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

296.39 290.23 288.12 291.58 302.11 281.05 3.51

288.12 270.15 250.22 269.50 15.48 315.94 223.06

245.57 230.22 225.14 233.64 259.70 207.59 8.68

245.57 200.27 227.5 224.45 18.62 280.30 168.59

275.12 260.22 240.15 258.50 14.33 301.48 215.51

253.55 270.20 220.15 247.97 20.81 310.40 185.53

256.21 220.61 240.12 238.98 14.56 282.65 195.31

255.91 230.22 242.1 242.74 10.50 274.24 211.25

S-B1

Mean (µ)

Standard Deviation( σ )

µ±3 σ (99.7%)

Table 7: Fracture Energy, G F (N/m) for Case1(a) and (b) [4].

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