Research Article

Comparative Study on the Test Method for Tensile Elastic Modulus of Rock Materials

Table 2

Size of rock samples for the three-point bending test and Brazilian disc test.

RockSerial numberL × H × B (mm)Serial numberD (mm)l (mm)ρ (g/cm3)

MarbleMW1278.21 × 60.34 × 30.12MP149.8225.212.72
MW2278.43 × 60.24 × 30.23MP249.824.87
MW3278.54 × 60.31 × 30.21MP349.8725.13
MW4278.26 × 60.25 × 30.15MP449.8225.25
MW5278.36 × 60.23 × 30.16MP549.8525.13

GraniteGW1279.51 × 60.24 × 30.21GP149.7325.322.45
GW2278.83 × 60.22 × 30.33GP249.7224.75
GW3278.84 × 60.12 × 30.18GP349.7625.26
GW4278.56 × 60.30 × 30.16GP449.8625.21
GW5279.16 × 60.13 × 30.26GP549.8125.32

SandstoneSW1279.51 × 60.34 × 30.27SP149.7525.222.14
SW2278.83 × 60.14 × 30.12SP249.7424.85
SW3278.84 × 60.23 × 30.31SP349.824.83
SW4278.56 × 60.19 × 30.23SP449.7624.76
SW5279.16 × 60.31 × 30.06SP549.7124.86