blacktop driveways at soil retention

DRIVABLE GRASS®is a blacktop driveways permeable, flexible and plantable concrete pavement system manufactured from blacktop driveways poly-reinforced concrete. It is designed for use in areas where a permeable, blacktop driveways vegetated vehicle access or parking surface is required. Example applications include; emergency and service vehicle access lanes, overflow parking blacktop driveways areas, golf cart paths, patios, RV parking areas and blacktop driveways.

The concrete paving mat is designed to flex and conform to irregular ground surface contours along pre-defined linear grooves without blacktop driveways falling apart. Pre-manufactured holes and cracks allow for root penetration through the mat into subgrade soil, anchoring it firmly into place.  blacktop driveways The mat’s porous nature enables moisture to filter into the underlying soil, increasing on- blacktop driveways site storm water storage and minimizing off-site blacktop driveways water flow.  Even when saturated, DRIVABLE GRASS® maintains its load support characteristics and drivable, grassy, surface while minimizing wheel blacktop driveways rutting.

The test site was constructed on October 1, 2004.  Prior to grading the site for the test section, the blacktop driveways area was proof-rolled with a loaded water truck.  Construction of the test section was conducted by Soil Retention crews and was done under the direction of Dean Sandri, PE.  The “pavement section” consisted of the Drivable Grass (1.5 inch thickness) “wearing surface” underlain by a one-half to one inch thickness of sand leveling bed and a variable thickness of crushed miscellaneous base (CMB); all of which was placed directly on top of the existing sub-grade soils (See Figure 1).  A geotextile separator (Mirafi 140N) blacktop driveways was placed between the subgrade and aggregate base to ensure that mixing of the blacktop driveways two would be minimized.  blacktop driveways A rigid concrete apron was provided at each end of the test blacktop driveways section to transition vehicular traffic on and off of the pavement.  Below is a cross section of the test area blacktop driveways blacktop driveways.

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