Research Article
Effects of Lysinibacillus sphaericus on Physicomechanical and Chemical Performance of OPC Blended with Natural Tuff and Pulverized Fly Ash
Table 4
Setting times for cement samples prepared separately with Lysinibacillus sphaericus and distilled water.
| Sample | IST with distilled water (mins) | FST with distilled water (mins) | IST with bacteria (mins) | FST with bacteria (mins) |
| OPC | 100 | 180 | 90 | 140 | PPC | 180 | 240 | 160 | 215 | 10% PFAC | 110 | 210 | 90 | 150 | 10% NP | 115 | 215 | 90 | 155 | 20% PFAC | 140 | 235 | 125 | 205 | 20% NP | 150 | 250 | 120 | 235 | 30% PFAC | 175 | 255 | 160 | 225 | 30% NP | 195 | 280 | 120 | 245 | 40% PFAC | 235 | 270 | 210 | 240 | 40% NP | 260 | 290 | 235 | 255 | 50% PFAC | 275 | 295 | 240 | 255 | 50% NP | 315 | 345 | 275 | 335 | 60% PFAC | 295 | 370 | 265 | 335 | 60% NP | 380 | 465 | 320 | 410 | 70% PFAC | 305 | 390 | 265 | 345 | 70% NP | 355 | 445 | 315 | 405 |
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