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− | <ul>
| + | [[File:PSD sand.jpg|thumb|Particle size distribution graph for ASTM C33 sand, as described in table]] |
− | <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. Manufactured sand from limestone or dolostone parent material is not acceptable.</li>
| + | *Coarse sand for LID construction shall be washed clean and free of toxic materials. |
− | <li>The coarse sand shall have a fineness modulus index between 2.8 and 3.1 according to [https://www.astm.org/Standards/C33| ASTM C33/C33M], or otherwise the gradation below.</li>
| + | *The pH of the sand shall be ≤ 7.0. |
− | </ul>
| + | *The coarse sand shall have a fineness modulus index between 2.8 and 3.1 according to [https://www.astm.org/Standards/C33 ASTM C33/C33M], or otherwise meet the gradation below. |
− | <table class = "table table-striped table-responsive">
| + | |
− | <caption><strong>Particle size distribution</strong></caption>
| + | {|class="wikitable" |
− | <tr class ='success'><th>Sieve</th><th>Percent passing</th></tr>
| + | |+ Particle size distribution |
− | <tr><td>9.5 mm</td><td>100</td></tr>
| + | |- |
− | <tr><td>4.75 mm (No.4)</td><td>95-100</td></tr>
| + | !style="background: darkcyan; color: white"|Sieve |
− | <tr><td>2.36 mm (No.8)</td><td>80-100</td></tr>
| + | !style="background: darkcyan; color: white"|Percent passing |
− | <tr><td>1.18 mm (No.16)</td><td>50-85</td></tr>
| + | |- |
− | <tr><td>0.60 mm (No.30)</td><td>25-85</td></tr>
| + | |9.5 mm||100 |
− | <tr><td>0.30 mm (No.50)</td><td>5-30</td></tr>
| + | |- |
− | <tr><td>0.15 mm (No.100)</td><td>0-10</td></tr>
| + | |4.75 mm (No.4)||95 - 100 |
− | <tr><td>0.75 mm (No.200)</td><td>≤ 3</td></tr>
| + | |- |
− | </table>
| + | |2.36 mm (No.8)||80 - 100 |
− | ----
| + | |- |
− | {{:feedback}}
| + | |1.18 mm (No.16)||50 - 85 |
| + | |- |
| + | |0.60 mm (No.30)||25 - 50 |
| + | |- |
| + | |0.30 mm (No.50)||5 - 30 |
| + | |- |
| + | |0.15 mm (No.100)||0 - 10 |
| + | |- |
| + | |0.075 mm (No.200)||≤ 3 |
| + | |} |
| + | |
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