Difference between revisions of "Sand"
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Jenny Hill (talk | contribs) (Created page with "Clean, washed, sand, free of toxic materials Coarse concrete sand, ASTM C33/C33M Fine Aggregate, with a Fines Modulus Index between 2.8 and 3.2. Sand shall be clean, sharp, fr...") |
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<li>The coarse sand for LID construction shall be clean and free free of toxic materials. | |||
<li>The pH of the sand shall be ≤ 7.0. <br> Manufactured sand from limestone or dolostone parent material is not acceptable.</li> | |||
<li>The coarse sand shall have a fineness modulus index between 2.8 and 3.1 according to ASTM C33/C33M, or otherwise the gradation below.</li> | |||
</ul> | |||
<table class = "table table-striped table-responsive"> | <table class = "table table-striped table-responsive"> | ||
<caption><strong>Particle size distribution</strong></caption> | <caption><strong>Particle size distribution</strong></caption> | ||
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</table> | </table> | ||
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[[category: materials]] | [[category: materials]] | ||
Revision as of 14:47, 28 July 2017
- The coarse sand for LID construction shall be clean and free free of toxic materials.
- The pH of the sand shall be ≤ 7.0.
Manufactured sand from limestone or dolostone parent material is not acceptable. - The coarse sand shall have a fineness modulus index between 2.8 and 3.1 according to ASTM C33/C33M, or otherwise the gradation below.
| Sieve | Percent passing |
|---|---|
| 9.5 mm | 100 |
| 4.75 mm (No.4) | 95-100 |
| 2.36 mm (No.8) | 80-100 |
| 1.18 mm (No.16) | 50-85 |
| 0.60 mm (No.30) | 25-85 |
| 0.30 mm (No.50) | 5-30 |
| 0.15 mm (No.100) | 0-10 |
| 0.75 mm (No.200) | ≤ 3 |
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