Issue 44

X.-P. Zhou et alii, Frattura ed Integrità Strutturale, 44 (2018) 64-81; DOI: 10.3221/IGF-ESIS.44.06

σ 1

(MPa)

σ 2

(MPa)

σ 3

(MPa)

q (MPa)

p experimental

(MPa)

p theoretical

(MPa)

100.000 103.000 106.000 107.000 108.000 108.667 110.667 111.667 191.333 182.667 136.333 102.667 85.667 81.333 100.000 103.000 106.000 107.000

280 289 298 301 304 306 312 315 494 468 369 288 247 234 280 289 298 301

10 10 10 10 10 10 10 10 40 40 20 10

10 10 10 10 10 10 10 10 40 40 20 10

270.000 279.000 288.000 291.000 294.000 296.000 302.000 305.000 454.000 428.000 349.000 278.000 242.000 229.000 270.000 279.000 288.000 291.000

99.255 102.245 103.266 104.614 105.966 106.869 109.587 110.952 193.264 180.006 131.381 98.800 85.051 77.492 102.255 99.245 103.266 104.614

5 5

5 5

10 10 10 10

10 10 10 10

Table 2 : Theoretical strength and the experimental data of Inada granite.

p experimental (MPa) 100.0000 103.0000 106.0000 107.0000 108.0000 108.6667 110.6667 111.6667 191.3333 182.6667 136.3333 102.6667

σ 1

(MPa)

σ 2

(MPa)

σ 3

(MPa)

q (MPa)

p theoretical

(MPa)

162.1 173.1 177.1 179.1 185.1 188.1 196.1 199.1 203.1

0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1

160 230 220 110 180 205 235 249 223 262 100 350

270 279 288 291 294 296 302 305 454 428 349 278

106.415 103.952 105.514 101.884 108.765 104.870 109.826 112.323 194.439 183.837 135.572 107.943

262 343 348

10 25 53

Table 3 : Theoretical strength and the experimental data of Barre granite.

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