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HOW TO GET THE BEST SOLUTION FOR HEAVY LOAD APPLICATIONS

philip-goodman 10 July 2024

Balancing project requirements and environmental concerns are becoming more important with every new project, particularly where heavy-duty pavement is required to manage high traffic and heavy loads. For modern heavy-duty pavement design and construction, TRUEGRID Pro Plus S-Flex 48 commercial permeable paver balance all of these factors with ease.

TRADITIONAL HEAVY-DUTY PAVING OPTIONS VS. NATURAL GROUND COVER

Natural ground cover is typically several layers of soils of varying permeability, held in place by plant growth. It is naturally a great rainwater retention system, preventing excessive runoff, erosion, and contamination as it absorbs rainfall. Thus, rainwater replenishes ground water tables and gradually makes its way to streams, rivers, lakes, and oceans. Since natural ground cover doesn’t absorb much heat, surface temperatures will remain relatively cooler.

Breaking ground for driveways, parking areas, and commercial or industrial hardstand areas disturbs this natural protective layer. For decades, heavy-duty pavement options were limited to impermeable materials such as asphalt and concrete. While these heavy-duty paving materials adequately manage heavy loads and high traffic, they are a major problem for Stormwater runoff and the environment.

  • Runoff from impermeable road surfaces leads to flooding, erosion, and contamination of streams and rivers.
  • Impermeable surfaces prevent rain from absorbing into the ground where it could replenish groundwater and aquifers.
  • Detention ponds and runoff detention areas can be built into the site to offset environmental hazards but take up valuable square footage and may be undesirable from a design standpoint.
  • Inadequate grading or poorly designed runoff areas or detention ponds can hold stagnant water, the perfect breeding area for undesirable insects such as mosquitos and flies.
  • Because asphalt and concrete absorb heat, local temperatures are higher.

Permeable surfaces, such as gravel and turf, are better for the environment and don’t require additional detention or retention areas. Unfortunately, unstabilised turf and gravel can’t manage heavy loads or high traffic for very long, even if properly built-up – permeable concrete and porous asphalt pavements are both unacceptable in heavy-duty pavement applications. Gravel and turf areas may at first function like natural ground cover, but compaction due to heavy loads and high traffic eventually eliminates these benefits. Turf and gravel parking areas and driveways inevitably lead to ruts, puddles, mud, bumps, and high maintenance costs, leading to some of the very same problems as impermeable surfaces.

HEAVY-DUTY SOLUTIONS WITH TRUEGRID PRO PLUS S-FLEX 48 COMMERCIAL PERMEABLE PAVERS

TRUEGRID Pro Plus S-Flex 48 Commercial Permeable Paver is the only true Drive On Solution to balance industrial and commercial heavy-duty needs with environmental sustainability and aesthetic design demands. Made of 100% post-industrial recycled HDPE, TRUEGRID Pro Plus S-Flex 48 Commercial Permeable Pavers are engineered with a unique patented S-Flex design that can handle up to H-25 and HS-25 loading.

Lightweight, and easy to install in parking areas, high traffic zones, equipment yards, construction site entrances, storage yards and haul roads for both temporary or permanent hardstand heavy-use areas.

Every project requires a site-specific solution, but every heavy-duty surface installation requires three main elements: load bearing ability, traffic wearability and environmental protection. TRUEGRID Pro Plus S-Flex 48 Commercial Permeable Pavers can provide all of these elements and is quick and easy to install using existing resources:

  1. Subgrade preparations set the slope and depth of the final load bearing surface, allowing for a minimum 100mm of sub-base below the 48mm of Pro Plus S-Flex 48 – increase the depth of the sub-base to allow for heavier loads or more water retention. Permeable or semi permeable geotextiles may be required between the subgrade and the sub-base depending on the CBR.
  2. Select the appropriate sub-base material. For gravel surface use a 16-20mm angular gravel road base. For a finished grass surfaces a 60/40 gravel/sandy-soil mix is recommended on the sub-base to provide sufficient area for grass root growth. Compact and level the area then lay TRUEGRID Pro Plus S-Flex 48 interlocking each piece together across the entire area. Trim around trees, gardens or obstacles with an electric saw.
  3. Fill the TRUEGRID Pro Plus with angular gravel of choice, 16-20mm, for heavy loading. Do not overfill grid. For grass a minimum 25mm under turf loam gravel/sand-soil 60/40 mix is typical for grass seeding or turf. Turf can be pressed into the grid or hydroseed sprayed, both work well with heavy loads but you need to allow 2 weeks before driving on the grass.

HEAVY-DUTY PAVEMENT DESIGN WITH TRUEGRID PRO PLUS S-FLEX 48 COMMERCIAL PERMEABLE PAVERS

Water detention is built into the sub-base, eliminating the need for water detention ponds or runoff areas. This reduces construction and maintenance costs and frees up valuable square meters. Once installed, TRUEGRID PRO PLUS Permeable Pavers require minimal maintenance and lasts 20+ years. LEED Credit opportunities include stormwater management, recycled content, innovation & design, materials & resources, and heat island effect.

TRUEGRID Pro Plus S-Flex 48 offers SuperSpot Reflectors and High Visibility parking markers that snap into the grid to mark parking spaces, walkways, fire lanes, or direct traffic. No painting ever required!

If you’re breaking ground on a construction or renovation project and need a high traffic heavy load Drive On Surface that can offer cost savings is environmentally sustainable and provides a quick easy solution contact TRUEGRID Drive On Surface for more information or a quote.

 

 

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