Research Article

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

Table 8

Summarized test results of Ec, CS, Et, and TS determined by four types of test methods.

Test typeUCTDTTThree-point bending testBrazilian disc test

ParameterEc (GPa)CS (MPa)Et (GPa)TS (MPa)Ec (GPa)Et (GPa)TS (MPa)Et (GPa)TS (MPa)
Marble63.6107.63.71.320.27.52.876.22.05
Granite37.374.714.83.342.325.29.113.54.40
Sandstone3.422.43.00.568.85.21.82.51.11

Note. CS, compression strength; TS, tension strength.