Client: Wilamette Industries
Location: Oregon, U.S.A.
Road: Forestry Haul Road
The soil type of this road is a
heavy clay, A-7-6 –type material, which was treated with 0.022 litres/m2 of CBR
Plus/Gravelock. Due to the change in the harvest schedule, the road was not
used, therefore there was no further compaction by traffic following the
initial construction.
Note: Growth of the grass was significantly better in the section
treated with CBR Plus/Gravelock.
Due to no further compaction, when
the treated layer finally released all of its moisture, the layer densified and
caused shrinkage cracks. To remedy this, the grass was bladed off the surface
and the layer re-compacted with a compactor and water tanker. No further
treatment was required.
Untreated Road (little or no grass).
Untreated Road (minor shrinkage cracks).
Transition Partially Treated (not much grass).
Treated Road (grass after one season, self seeded).
Treated Road (grass growing abundantly over treated
area).
Treated Road (note heavy clay soil in ditch while
road is dry).
By: Rhino Rohrs
Rhide Technologies Inc.
www.cbrplus.com / www.gravelock.com
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