Advances in Materials Science and Engineering / 2018 / Article / Tab 4 / Research Article
Orthogonal Experimental Studies on Preparation of Mine-Filling Materials from Carbide Slag, Granulated Blast-Furnace Slag, Fly Ash, and Flue-Gas Desulphurisation Gypsum Table 4 Results of the orthogonal test.
Number Water required for standard consistency (mL) Consistency (mm) Slump (mm) Setting time (min) 7 d strength (MPa) 28 d strength (MPa) Initial time Final time Compressive strength Flexural strength Compressive strength Flexural strength 1 141 14 212 287 397 1.72 0.61 3.79 1.35 2 137 13 143 298 387 1.81 0.65 3.40 1.05 3 128 14 129 265 389 2.48 0.95 3.67 1.12 4 132 13 144 267 364 1.78 0.64 3.23 0.98 5 135 14 165 279 397 2.14 0.80 3.36 1.33 6 126 14 138 259 367 2.22 0.84 3.20 1.30 7 143 13 174 246 387 1.94 0.79 2.92 1.29 8 136 14 158 275 376 2.32 0.92 3.84 1.44 9 134 15 149 289 359 2.37 0.93 3.46 1.23 10 137 14 190 273 378 2.43 0.93 3.39 1.24 11 127 11 147 256 367 1.89 0.77 3.35 1.17 12 147 12 211 265 387 1.90 0.78 3.13 1.14 13 132 15 157 286 398 1.84 0.75 3.14 1.26 14 123 14 138 265 369 1.81 0.72 3.56 1.24 15 128 14 139 254 378 2.22 0.83 3.37 1.03 16 131 12 210 247 367 1.82 0.66 3.49 1.33 17 138 14 200 267 373 2.29 0.90 4.07 1.40 18 121 13 129 256 357 1.80 0.66 3.56 1.10 19 127 13 146 243 363 1.50 0.66 3.40 0.98 20 130 13 178 287 356 2.15 0.80 4.05 1.47 21 145 13 191 267 364 1.63 0.57 3.58 1.16 22 138 9 159 253 352 1.63 0.56 3.47 1.15 23 146 8 148 256 358 1.71 0.61 3.94 1.40 24 141 9 149 278 398 1.81 0.66 3.47 1.15 25 142 7 138 298 378 1.77 0.70 3.72 1.22