Page 22 - ImmoCem In Mine Tailings Appplications - Technical Assessment
P. 22

    SHOTCRETE QUALITY IMPROVEMENT ADDING CONCRECEMA ND DECREASING CEMENT - 28 MPA
     DESCRIP TION
UNI T. PAT TERN
FIRST TEST SECOND TEST
1
MIX DESIGN
2
Design Resistance
MPa
28
28
28
3
Water
kg.
191
195
195
4
Tailing
kg.
-
-
-
5
Sand
kg.
1553
1137
1612
6
Pebble Stone
kg.
172
660
181
7
I 52.5 N Cement Type
kg.
423
320
320
9
ConcreCem
kg.
-
1
1
10
Accelerator
kg.
-
0.5
0.5
11
Metallic fiber
kg.
20
20
20
12
DATA
13
Water/Cement
lt/kg 0. 45 0. 61 0. 61
14
RESIS TANCE
15
Day 03
MPa
0. 91
1. 05
1. 17
16
Day 07
MPa
9. 05
9. 16
10. 87
17
Day 14
MPa
23. 11
26. 83
24. 08
18
Day 28
MPa
28. 9
32. 9
28. 2
                           







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