Advances in Civil Engineering / 2019 / Article / Tab 5

Research Article

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

Table 5

Test results of UCT and DTT for sandstone.

SNGauge numberEc (GPa)μσc (MPa)SNGauge numberEt (GPa)μσt (MPa)

SC11, 23.90.1624.0ST21, 22.40.210.44
3, 42.80.153, 42.20.17
5, 640.125, 63.60.30
7, 82.80.127, 8
Mean3.40.14Mean2.80.23

SC21, 24.720.5ST31, 20.99
3, 45.23, 41.90.17
5, 62.55, 61.80.08
7, 82.90.237, 82.30.00
Mean3.80.23Mean2.00.08

SC41, 25.20.1524.7ST41, 24.30.060.54
3, 450.133, 43.50.14
5, 63.25, 63.10.06
7, 82.50.217, 83.1
Mean40.16Mean3.50.09

SC51, 23.90.0921.4ST51, 23.80.210.27
3, 43.20.123, 43.80.30
5, 62.60.115, 63.50.10
7, 82.90.097, 8--0.40
Mean3.20.10Mean3.70.25

SC61, 22.60.1021.6
3, 42.50.08
5, 62.50.24
7, 830.08
Mean2.70.13

Total mean3.40.1522.4Total mean3.00.160.56

Note. The test for ST1 is not successful.

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