By only weighing the CC, we can check the moist working density and with the tables provided can read off the rest of the properties (compressive strength, sound and thermal insulation, etc).
RECOMMENDED DOSES OF WATER PER SACK OF CEMENT |
| Kg per sack of cement |
Water litres |
| Recommended |
MIN |
MAX |
| 25 |
16 |
15 |
19 |
| 30 |
19 |
17 |
22 |
| 35 |
22 |
20 |
26 |
| 42,5 |
26 |
24 |
32 |
| 50 |
31 |
28 |
37 |
| CORRESPONDENCE BETWEEN MOIST DENSITY, DRY DENSITY, CONSUMPTION OF CEMENT IN Kg/m3 AND COMPRESSIVE RESISTENCE IN Kg/cm2 |
MOIST DENSITY(1)
Kg/m3 |
DRY DENSITY(2)
Kg/m3 |
CEMENT CONSUMPTION
Kg/m3 |
COMPRESSIVE RESISTANCE(3) |
THERMAL RESISTENCE(4)
m2 ºC / W |
THERMAL CONDUCTIVITY(4)
W / m ºC |
| Kg/cm2 |
MPa |
| 200 |
172 |
123 |
X |
X |
1.86 |
0.05 |
| 225 |
193 |
138 |
X |
X |
1.78 |
0.06 |
| 250 |
215 |
154 |
X |
X |
1.70 |
0.06 |
| 275 |
236 |
168 |
2.5 |
0.24 |
1.63 |
0.06 |
| 300 |
258 |
184 |
4.6 |
0.45 |
1.55 |
0.06 |
| 325 |
279 |
200 |
6.6 |
0.65 |
1.47 |
0.07 |
| 350 |
301 |
215 |
8.7 |
0.85 |
1.40 |
0.07 |
| 375 |
322 |
230 |
10.8 |
1.06 |
1.32 |
0.08 |
| 400 |
344 |
246 |
12.9 |
1.26 |
1.24 |
0.08 |
| 425 |
365 |
261 |
14.9 |
1.46 |
1.17 |
0.09 |
| 450 |
387 |
276 |
17.0 |
1.67 |
1.09 |
0.09 |
| 475 |
408 |
292 |
19.1 |
1.87 |
1.01 |
0.10 |
| 500 |
430 |
307 |
21.1 |
2.07 |
0.93 |
0.11 |
| 525 |
451 |
322 |
23.2 |
2.28 |
0.86 |
0.12 |
| 550 |
473 |
338 |
25.3 |
2.48 |
0.78 |
0.13 |
| 575 |
494 |
353 |
27.4 |
2.68 |
0.70 |
0.14 |
| 600 |
516 |
368 |
29.4 |
2.89 |
0.63 |
0.16 |
| 625 |
537 |
384 |
31.5 |
3.09 |
0.55 |
0.18 |
| 650 |
559 |
399 |
33.6 |
3.29 |
0.47 |
0.21 |
| 675 |
580 |
414 |
35.7 |
3.50 |
0.40 |
0.25 |
| 700 |
602 |
430 |
37.7 |
3.70 |
0.32 |
0.31 |
| 725 |
623 |
445 |
39.8 |
3.90 |
0.24 |
0.41 |
| 750 |
645 |
461 |
41.9 |
4.11 |
0.17 |
0.60 |
| 775 |
666 |
476 |
43.9 |
4.31 |
0.09 |
1.10 |
| 800 |
688 |
491 |
46.0 |
4.51 |
X |
X |
| 825 |
709 |
507 |
48.1 |
4.72 |
X |
X |
| 850 |
731 |
522 |
50.2 |
4.92 |
X |
X |
| 875 |
752 |
537 |
52.2 |
5.12 |
X |
X |
| 900 |
774 |
553 |
54.3 |
5.33 |
X |
X |
(1) The results in moist density are freshly made, in liquid state.
(2) The results in dry density are at 28 days of hardening.
(3) Results that are obtained from tests which were carried out in our laboratories. All the information is only for guidance.
Type of cement which was used Portland CEM-II/A-M(V-L) 32.5N
(4) Conductivity and thermal resistance for a filling of cellular concrete of 10 cm. |
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