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Concrete Pavement Construction Basics: Site Preparation Mobile App

The Concrete Pavement Construction Basics: Site Preparation Mobile App is a must have for construction managers of cement and asphalt projects.

When the construction plan is being developed it is critical to develop all the appropriate documentation to ensure the construction site surface is carefully prepared. Customize this checklist-style app to build your requirements for everything from road construction, sidewalk or repair of cracks in a cement driveway.

The app can track detailed information for preparing and stabilizing the subgrade, establishing control mechanisms (the stringline), compaction and trimming, placing dowel baskets, and mitigating cement failures.

The app can also be used to identify issues with the material and resources to be used whether that be Portland cement, hot mix asphalt, or fine or coarse aggregate.

Save all this information securely to the cloud for easy access via cell phone, tablet or PC.

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Included Features

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Before construction begins, the construction site must be carefully prepared.
Preparing the grade, or roadbed
The majority of concrete pavement failures are not caused by failure of the concrete slab but by ...
Adequate preparation of the roadbed—the subgrade, subbase, and base—is essential for a strong, du...
Subgrade: earth that has been graded to the desired elevation.
Subbase: a course of material that is placed on the subgrade to provide drainage and stability.
Granular subbase is the most drainable subbase.
Modified subbase is moderately drainable.
Special backfill provides more stability and support but is the least drainable.
Base: a course of fairly rigid material, sometimes cement- or asphalt-treated, that is placed on ...
First the site is graded to cut high points and fill low areas to the desired roadway profile ele...
Stable soils are generally defined as those that can support loads.
Just as important as the soil’s quality, however, is its uniformity.
To stabilize the subgrade so that it will provide uniform support to the rest of the pavement str...
Typical stabilizing materials are select soils or backfill—loam or clay loam, clean sand, or othe...
Typical stabilizing additives include the following:
Lime: either quicklime or hydrated lime, either high calcium or dolomitic.
Portland cement: hydrates with moisture in the soil and hardens.
Fly ash: a byproduct of coal furnaces.
A layer of polymer geosynthetic, called geogrid, may be used as a foundation under special backfi...
Before compacting, subgrade material may have to be brought to the optimum moisture content.
After compaction, a proof-roller (a heavy, loaded, pneumatic-tired vehicle) is driven over the su...
Finally, an electronically controlled trimmer machine is used to trim the subgrade surface to the...
The subgrade cannot be used for a haul road.
vertically.
The stringline must be set outside the pad line, parallel to the proposed pavement, to guide the ...
An accurately set, taut stringline is critical to constructing a pavement of uniform thickness an...
Meticulous setting of the stringline cannot be overemphasized.
...and More!