Gradients with Grasspave2 and Gravelpave2


Courtesy of Invisible Structures, Inc.

Designers often ask what grades, or slopes are appropriate for vehicles when using either our Grasspave2 or Gravelpave2 surfaces. The answer will vary depending upon the application, length of gradient, expected weather conditions, weight and speed of the vehicle and particular product.

Gentle Gradients

Most pavements are constructed within a relatively gradual range of gradients ñ from 0% to 6%. If the length of these gradients is less than a couple of hundred feet long (<30 m), which would apply to most drives and parking areas, most people would call these slopes nearly flat. However, if a 5 to 6% slope extends for thousands of feet, or miles on roads, then heavy vehicles require climbing lanes and emergency runaway ramps. Visually, people perceive these gradients as being much steeper, mostly due to the generally steeper slopes these roads are constructed within.

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