Experimental Study and Application of a Novel Foamed Concrete to Yield Airtight Walls in Coal Mines

<div>Stress-strain curves of foamed concrete under different confining pressures. (a) 250 kg/m<sup>3</sup>. (b) 450 kg/m<sup>3</sup>.</div>

Advances in Materials Science and Engineering

Figure 7: Experimental Study and Application of a Novel Foamed Concrete to Yield Airtight Walls in Coal Mines 