Experimental Study on Strengthening and Sealing Materials and Their Application in Coal Mines

<div>Effect of gypsum content on material properties. (a) Effect of gypsum content on expansion. (b) Effect of gypsum content on solidification time and compressive strength.</div>

Advances in Materials Science and Engineering

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Figure 2

Figure 2: Experimental Study on Strengthening and Sealing Materials and Their Application in Coal Mines 