From: Effect of Iron Tailings as Fine Aggregate and Mineral Admixture on Strength and Microstructure of Cement Mortar
Age/d
3d
28d
Impedance/Ω
R0
R1
RCCP
J
268
251
519
1325
1308
2633
W
209
48
257
1366
566
1932
NA3
207
65
272
1375
656
2031
HB5
253
169
422
1342
1094
2436
HB5NA3
248
243
491
1314
1269
2583