mix design procedure, i.e m15 to m40
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Answer Posted / nitin lahane
Site Laboratory Items necessary on site for Mix Design
1. Set of 12 Cube moulds of size 150 x 150 x 150 mm.
2. A slump cone, tamping rod and a scale.
3. Weighing balance of 5Kg. With accuracy of 2gms and corresponding weights up
to 2 gm. Electronic Balance is highly recommended.
4. Spring balance of 100Kgs.
5. Milk cans of 5,2 & 1 litre capacity for addition of water.
6. 250 ml measuring cylinder for silt test.
7. Set of sieves as under:
40mm, 25mm, 20mm, 12.5mm, 10mm along with a Pan & 4.75mm, 2.36mm,
1.18mm, 600 μ, 300 μ, 150 μ, 75 μ along with a pan and lid.
8. Conical cans of 5 lit and 1 lit capacity for calibration.
9. If Weigh Batcher is not available at site, then following Farmas should be made
available at site:
Capacity in litres Nos. L B H Size (in cm)
35 4 40 x 25 x 35
30 1 40 x 25 x 30
25 2 40 x 25 x 25
20 1 40 x 25 x 20
15 1 40 x 25 x 15
10 2 40 x 25 x 10
10. Hot plate
11. Compression testing machine.
12. A yield box of size 50cm x 50cm x 75 cm made of mild steel or plywood.
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