Using Coupled Rheometer-FBRM to Study Rheological Properties and Microstructure of Cemented Paste Backfill
Table 4
Herschel–Bulkley model parameters for CPB.
Sample type
Region
K (Pa·sn)
(–)
R2
S
S
S
CPB-A
Region I
1.510
0.085
0.70
0.028
0.98
0.008
Region II
0.174
0.016
1.00
0.014
0.97
0.017
Region III
0.173
0.003
1.21
0.042
0.97
0.028
CPB-B
Region I
1.044
0.078
0.72
0.021
0.98
0.004
Region II
0.148
0.017
1.00
0.028
0.99
0.004
Region III
0.148
0.006
1.17
0.056
0.98
0.008
CPB-C
Region I
0.566
0.051
0.76
0.014
0.99
0.003
Region II
0.109
0.012
1.00
0.000
0.97
0.007
Region III
0.107
0.007
1.15
0.056
0.99
0.003
CPB-D
Region I
0.500
0.038
0.80
0.029
0.99
0.001
Region II
0.070
0.007
1.00
0.003
0.97
0.018
Region III
0.071
0.001
1.12
0.014
0.96
0.027
Note: refers to the average of two results of duplicate tests, whereas S refers to the standard deviation of two results of duplicate tests. When fitting Region I of CPB-A and CPB-B, the initial unstable data were removed.
