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

<div>Foam dosage and density of the filling material. FGS 0 is <span class="nowrap"><svg height="9.39034pt" id="M5" style="vertical-align:-3.42943pt" version="1.1" viewbox="-0.0498162 -5.96091 11.286 9.39034" width="11.286pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M516 277C516 378 460 448 376 448C335 448 288 434 240 401C158 345 127 277 107 159C53 -161 38 -221 23 -247L28 -261C43 -260 95 -250 114 -226C122 -216 129 -199 146 -75C152 -29 157 0 164 31C182 9 206 -12 237 -12C267 -12 325 8 376 46C451 102 516 179 516 277ZM432 259C432 134 366 40 259 40C236 40 204 48 171 76L195 203C219 327 253 400 326 400C398 400 432 336 432 259Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.162,3.132)"><path d="M248 635C97 635 43 457 43 311C43 153 97 -12 247 -12S450 166 450 312C450 466 397 635 248 635ZM246 603C337 603 361 452 361 312S337 20 248 20S132 172 132 313C132 452 156 603 246 603Z"></path></g></svg>,</span> which is the material density after solidification of cement.</div>

Advances in Materials Science and Engineering

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Figure 12

Figure 12: Experimental Study and Application of LASC Foamed Concrete to Create Airtight Walls in Coal Mines 