Mirafi BasXgrids™ (Base-X-geogrids) have been developed and designed to interact with and reinforce aggregate base course layers. If the aggregate being reinforced is unable to effectively transfer the imposed stresses to the particular geosynthetic reinforcement, the benefits of the geosynthetic will be greatly diminished. In order for a geosynthetic to be effective and develop its full reinforcing function, two fundamental requirements have to be satisfied.

First, the geosynthetic must have the required tensile strength, tensile modulus and other critical criteria described below. Second, the geosynthetic and the fill material must have sufficient stress transfer mechanisms so that the reinforcing characteristics of the geosynthetic can be developed. BasXgrids™ have been designed to be compatible with and to provide effective reinforcement to the aggregate base layer of paved and unpaved roadways. Soils and geogrids are natural companions. By incorporating a tensile element, such as a geogrid, in a poor-in-tension material, such as aggregate, the engineering properties of the aggregate can be greatly improved.

While simply incorporating a geogrid in aggregate will greatly improve performance, even greater benefits are realized when the proper geogrid is chosen.

Mirafi BasXgrids™ are multi-layered high-performance, extruded polymeric products developed from years of experience in the geosynthetics and construction industries.

Features and Benefits

• HIGH TENSILE STRENGTH BasXgrids™ are designed to provide the high tensile required in base applications in both the machine and cross machine roll directions.
• HIGH TENSILE MODULUS BasXgrids™ have high tensile modulus, providing tensile reinforcement with minimal elongation.
• HIGH CHEMICAL RESISTANCE Manufactured from select polypropylene, all BasXgrids™ are uneffected by chemicals found in most soil environments.
• HIGH PULLOUT RESISTANCE The variable aperture size and many tensile elements of the multi-layered BasXgridsª provide exceptional pullout resistance with a wide range of soil classifications.

Applications

Mirafi BasXgrid™ 22, BasXgrid™ 33, and BasXgrid™ 55 geogrids distribute applied loads over a greater area reducing vertical pressure on the subgrade. This allows for a longer design life compared with a similar unreinforced section. If designing for a specific lifetime, this allows for significant reductions in base course thickness. Mirafi BasXgrids allow up to 30% reduction of base course thickness in flexible pavement systems.

Product Description Sheet

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