A Comparative Study on Fracture Characteristics of the Red Sandstone under Water and Nitrogen Gas Fracturing

<div>Load-displacement curves of the flattened Brazilian disk specimens. BT-1, BT-2, BT-3, and BT-4 denote the Brazilian disc test of specimens 1, 2, 3, and 4, respectively.</div>

Advances in Civil Engineering

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Figure 7

Figure 7: A Comparative Study on Fracture Characteristics of the Red Sandstone under Water and Nitrogen Gas Fracturing 