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Zimmer Consultants

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Around n’ Round We Go: Asphalt Concrete Recycling/Paving Process

This is a really good Figure of the equipment used in the surface milling/recycling/paving process. It was produced by The Wirtgen Group. They manufacture milling machines, crushers, hot mix asphalt plants, pavers and compactors, like a vertically integrated conglomerate. Interestingly, Wirtgen is a corporate subsidiary of the John Deere Company.  Anyway, the process starts at […]

Where Are They Now? : LEAP

For this installment of “Where are they now?” we look back at LEAP Technologies (Low Energy Asphalt Pavement). LEAP was an innovative company using microwave technology to heat 100% reclaimed asphalt concrete, adding in some new, light oils, mixing it together, and sending the recycled hot mix out for paving. The microwave heating replaces the […]

ASPHALT PAVEMENT DISTRESS

Longitudinal and Transverse Cracking  Cracks in asphalt concrete pavements are created by shrinkage of the asphalt layer due to aging (drying or oxidation) of the asphalt cement. The US Corps of Engineers define the distress as:  Description  Longitudinal cracks are parallel to the pavement’s centerline or laydown direction. They may be caused by:  1. A […]

Pavement Patching: Throw and Go

A common approach to repairing a pavement pothole is to fill the void with asphalt concrete. If there are only a few potholes, a few bags of cold patch material from the local builder’s supply store can be use to fill the holes. Here are some tips that will make the filling perform better:  Clean […]

RUH ROH – Time to Call the Mystery Machine and Get This Dimple Fixed!

This cute dimple in the pavement is a sign of a future maintenance problem so be sure to keep an eye out and forit to worsen. Experience tells us that a cavity has formed under the pavement surface layer, likely because subsurface water is carrying fine soil and rock particles through seams or cracks in […]

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Zimmer Consultants, Ltd.
125 Winsor Drive, Suite 128
Oakbrook, Illinois 60523

P: 630.571.0050
F: 630.571.0060

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