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