Difference between revisions of "Gravel"

From LID SWM Planning and Design Guide
Jump to navigation Jump to search
Line 5: Line 5:
<li>Maximum abrasion of 10% for 100 revolutions and maximum of 50% for 500 revolutions.</li>
<li>Maximum abrasion of 10% for 100 revolutions and maximum of 50% for 500 revolutions.</li>
</ul></p>
</ul></p>
<p>Granular material for underdrains should be clear crushed 50 mm diameter stone graded in accordance with ASTM D 2940. The void space ratio shall be 0.4 .</p>
Granular material for underdrains should be clear crushed 50 mm diameter stone graded in accordance with ASTM D 2940. The void space ratio shall be 0.4 .</p>
[[Category:materials]]

Revision as of 19:33, 4 July 2017

All aggregates should meet the following criteria:

  • Maximum wash loss of 0.5%.
  • Minimum durability index of 35.
  • Maximum abrasion of 10% for 100 revolutions and maximum of 50% for 500 revolutions.

Granular material for underdrains should be clear crushed 50 mm diameter stone graded in accordance with ASTM D 2940. The void space ratio shall be 0.4 .