Kattumaanap Poriyaalar october 2013 | Página 13
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Þ¬ìªõOJ™ô£ñ™ & àÁFò£ù ªè†®‚ 裃Ag†ì£è õ£˜‚è º®Aø¶.
ܶñ†´ñ™ô 15% Ü÷¾‚° Cªñ‡®¡ Ü÷¬õ»‹ °¬ø‰î£½‹ ° õL¬ñ
°¬øò£¶. Cªñ‡†¬ì‚ °¬ø‚è£ñ™ «ð£†ì£™ 25% Ã´î™ õL¬ñ
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ܬùõ¼‹ àÁFò£ù õL¬ñ I°‰î 裃Ag†¬ìˆ îò£KˆFì (ªêô¬õ‚
Æì£ñ™) & I° Þ÷‚Aè¬÷ (Superplasticisers) 臮Šð£èŠ ðò¡ð´ˆî
«õ‡´‹. ðò¡ ªðŸP쾋 «õ‡´‹.
&ºî¡¬ñ ÝCKò˜
Sl.
No
Description
Control Mix
M20
(1 : 1.5 : 3)
With 0.6% (or 300ml) (by Wt. of Cement) addition of
Superplasticiser Cement Reduction at
(without
Superplasti
ciser)
10%
15%
20%
25%
1.
For casting 6 Cubes of 15cm Size
a)
Cement (Kg)
7.50
6.75
6.375
6.00
5.625
b)
Sand (Kg)
15.00
15.375
15.563
15.75
15.938
c)
Stone aggregate,20mm (Kg)
30.00
30.00
30.00
30.00
30.00
d)
Water (Kg)
3.375
30.375
2.869
2.70
2.531
e)
Water Cement Ratio
0.45
0.45
0.45
0.45
0.45
f)
Addition of Superplasticiser
-
33.75
31.88
30.00
28.125
2.
Compressive Strength after
16.70
18.20
21.00
24.90
20.50
After 28 days (N/mm )
24.40
27.40
32.00
34.50
27.00
Strength as percentage of
100.00
108.98
125.75
149.10
122.76
After 28 Days
100.00
112.29
131.15
141.36
110.66
2
3.
fl;Lkhdg; nghwpahsh;
15
mf;Nlhgh; 2013
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