Difference between revisions of "Gravel"

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#REDIRECT [[Aggregates]]
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<li>Granular material for underdrains should be clear crushed 50 mm diameter stone graded in accordance with [https://www.astm.org/Standards/D2940.htm| ASTM D 2940].</li>
 
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<li>The void space ratio should be > 0.35 (or > 35%)</li>
 
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</ul>
 
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All gravel should meet the following criteria:
 
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<ul>
 
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<li>Maximum wash loss of 0.5%</li>
 
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<li>Minimum durability index of 35</li>
 
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<li>Maximum abrasion of 10% for 100 revolutions and maximum of 50% for 500 revolutions</li>
 
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</ul>
 
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{{:feedback}}
 
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[[Category:materials]]
 

Latest revision as of 20:43, 5 March 2018

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