GENERAL AND PARTICULAR SPECIFICATIONS OF ... - UNDP
GENERAL AND PARTICULAR SPECIFICATIONS OF ... - UNDP
GENERAL AND PARTICULAR SPECIFICATIONS OF ... - UNDP
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alternately in the same class of construction or<br />
mix.<br />
Table 300 A<br />
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Grading :<br />
Percent<br />
Sieve<br />
Passing<br />
3/8 100<br />
No. 4 95 - 100<br />
8 80 - 100<br />
16 50 - 85<br />
30 25 - 60<br />
50 10 - 30<br />
100 2 - 10<br />
200 0 - 3<br />
Fineness modulus 2.50-2.15<br />
Organic Impurities<br />
Chlorides soluble in dilute<br />
Nitric Acid<br />
Total Acid soluble sulphates<br />
Silt<br />
Mortar strength<br />
The color shall have an intensity<br />
not darker than two-thirds the<br />
intensity of the standard color<br />
solution. (Not darker than Plate<br />
2 as determined by the Standard<br />
Method of Test for Organic<br />
Impurities in Sands for Concrete<br />
of ASTM Designation C - 40<br />
Not more than 0.10 percent by<br />
weight when expressed as sodium<br />
chloride (NACL).<br />
Not more than 0.50 percent by<br />
weight when expressed as sulpher<br />
trioxide (S03)<br />
Not more than 2 percent<br />
Compression ratio not less than<br />
95 percent.<br />
Soundless Weighted average loss when<br />
subjected to 5 cycles of the<br />
soundless test using magnesium<br />
sulfate, not more than 10<br />
percent.<br />
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3-36<br />
<strong>SPECIFICATIONS</strong><br />
CONCRETE WORK<br />
C 3.04<br />
Coarse Aggregate<br />
(A)<br />
General Requirements
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