The purpose of rubblization of concrete pavement prior to overlaying it is to produce a structurally sound base which prevents reflective cracking in the overlay by fracturing the concrete and then rolling it thereby obliterating the existing pavement distresses and eliminating future slab action. The MHB Badger Breaker® rubblizes up to 13 feet wide in a single pass.
Antigo refers to “modified rubblization” to describe the process of rubblization with the intent of producing somewhat larger particle sizes that compensate for a weak subgrade/base.
Rubblize to Rehabilitate – West Virginia
Through the monitoring of pavement conditions in West Virginia, the DOH has documented that the warranty pavements, using rubblization, are out-performing traditional full depth new construction pavements.
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Performance of Interstate Rubblization in Illinois, FHWA-ICT-21-005
This Illinois Center for Transportation (ICT) report summarizes the performance of several interstate rubblizing projects in Illinois by analyzing available data in Illinois Department of Transportation’s pavement management system. The report finds that, overall, rubblization is providing good to excellent performance and exceeding design expectations.
Benefits of Rehabilitating Concrete Pavements with Slab Fracturing and Asphalt Overlays, NCAT Report 20-03
This National Center for Asphalt Technology (NCAT) study comprehensively synthesized historical experiences with crack and seat (C&S), break and seat (B&S), and rubblization methods for the rehabilitation of PCC pavements with asphalt overlays.