Experimental Study and Application of LASC Foamed Concrete to Create Airtight Walls in Coal Mines

<div>Schematic diagram of a quintessential manway in a Shenfu coalfield: each crossheading is 50 m.</div>

Advances in Materials Science and Engineering

Figure 2: Experimental Study and Application of LASC Foamed Concrete to Create Airtight Walls in Coal Mines 