Question
Download Solution PDFAs per IS 383, sand can be graded into _______ zones.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
As per IS 383, Table 4(Clause 4.3)
- There are 4 types of grading zones for fine aggregates(sand) namely Grading zone I, II, III, IV.
- All grading zones and their recommended value for different sieve sizes are given below:
|
IS Sieve |
Grading |
Grading |
Grading |
Grading |
| 10 mm | 100 | 100 | 100 | 100 |
| 4.75 mm | 90-100 | 90-100 | 90-100 | 95-100 |
| 2.36 mm | 60-95 | 75-100 | 85-100 | 95-100 |
| 1.18 mm | 30-70 | 55-90 | 75-100 | 90-100 |
| 600 micron | 15-34 | 35-59 | 60-79 | 80-100 |
| 300 micron | 5-20 | 8-30 | 12-40 | 15-50 |
| 150 micron | 0-10 | 0-10 | 0-10 | 0-15 |
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