Advances in Civil Engineering / 2019 / Article / Tab 7

Research Article

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

Table 7

Test results of Brazilian disc test for marble, granite, and sandstone.

Rock materialsSNEs (GPa)D (mm)L (mm)AEt (GPa)σt (MPa)

MarbleMP13.00.2749.8251.745.11.88
MP23.649.86.22.25
MP34.649.877.92.13
MP43.549.826.01.94
MP53.349.855.72.04
Mean3.66.22.05

GraniteGP19.80.1949.7351.4914.74.46
GP28.349.7212.44.07
GP38.949.7613.34.14
GP49.149.8613.64.92
GP5
Mean9.013.54.40

SandstoneSP11.70.1549.7551.382.41.41
SP249.741.02
SP31.849.82.51.02
SP41.949.762.61.20
SP549.710.92
Mean1.42.51.11

Note. The test on GP5, SP2, and SP5 is not successful.

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