STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES 1 ...
Limestone Sandstone Sandstone Sandstone Mudstone Limestone Limestone Ironstone Sandstone 18.00 ± 0.62 (20) 19.17 ± 0.21 (23) 23.10 ± 0.48 (19) 24.21 ± 0.83 (8) 35.17 ± 3.17 (4) 36.28 ± 1.24 (24) 38.76 ± 2.69 (23) 44.28 ± 4.48 (5) 65.66 ± 0.83 (11) 41.45 ± 3.52 (4) 77.59 ± 1.59 (5) 80.83 ± 2.21 (10) 90.48 ± 3.86 (4) 50.07 ± 3.79 (4 ...