09-25-2010, 08:16 PM
Dear hingorjo,
AASHTO M-145: Classification of Soils and Soil Aggregates for Highway Construction Purposes
Section 7.1.1 : Materials falling within groups A-1a/1b; A2, A3, A4 and A5 are satisfactory as subgrade when properly drained and compacted under moderate thickness pavement (base/ surface course) of a type suitable for the traffic to be carried or can be made satisfactory by additions of small amounts of natural fillers or binders.
For Subgrade (top of embankment ) - 95% of MDD( Max. Dry Density)
Subbase/Base - 100% of MDD.
Surface - 100% of MDD.
Hope will answer your queries.
Regards,
gelbert
" We are prisoners of a necessary cause."
AASHTO M-145: Classification of Soils and Soil Aggregates for Highway Construction Purposes
Section 7.1.1 : Materials falling within groups A-1a/1b; A2, A3, A4 and A5 are satisfactory as subgrade when properly drained and compacted under moderate thickness pavement (base/ surface course) of a type suitable for the traffic to be carried or can be made satisfactory by additions of small amounts of natural fillers or binders.
For Subgrade (top of embankment ) - 95% of MDD( Max. Dry Density)
Subbase/Base - 100% of MDD.
Surface - 100% of MDD.
Hope will answer your queries.
Regards,
gelbert
" We are prisoners of a necessary cause."