Difference between revisions of "Gravel"

Latest revision as of 20:43, 5 March 2018

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-All aggregates should meet the following criteria:
+#REDIRECT [[Aggregates]]
-*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 should be 0.4 (or 40%)
-*A 100 mm layer of smaller grade pea gravel should be laid over the clear stone to reduce the chance of puncture damage to geotextile fabric.
-[[Category:materials]]