Research Article

Experimental Study on Compression and Torsion Fracture within 3D Printed Cementation-Weak and Porosity-High Sandstones

Table 3

Comparisons between Cretaceous sandstone cores and 3DP sandstones.

Index3DP sandstoneSandstone cores

(g/cm3)1.231.87~2.42
(%)35.49.0 ~ 32.2
(MPa)4.174.10~20.50
(MPa)0.610.04~0.83
(MPa)0.800.02~4.80
(GPa)3.860.01~1.77
(°)47.028.6 ~ 40.5
0.40.23~0.39
1.270.10~5.80