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Optimisation of repeatability and productivity through the removal of the automation of human interface

Roller compaction is the laboratory method that most closely simulates on-site compaction. The machine can be configured to operate with a single or twin wheels depending on the mould size. The wheels track the surface in overlapping wheel-paths using sequences specified in EN 12697-33 or custom sequences designed by the user. The base of the mould is incrementally raised by a precision jacking system and the system is tracked to keep it level with the top of the mould.

Compacted slabs can be from 50 to 150mm thick. 500x180mm slabs are usually wheel tracked in the Large Wheel Tracker CRT-WTENLD, whilst 600x400mm slabs are normally cut to produce trapezoidal or prismatic specimens for fatigue, modulus tests and Duriez test. See what CRT-RCENLD-III asphalt compaction configurations Cooper suggests.

Standards
● EN 12697-33 Pneumatic tyred roller 
● NF P98-250-2 
      
Key Features
● Compacts uniform slabs of asphaltic paving mixture 
● Computer control for repeatable standard EN 12697-33 compaction patterns 
● Option for customer defined compaction patterns to be programmed and saved 
● Single or dual wheeled configuration 
● Mould size (length x width) 500x180mm or 600x400mm 
● Compacted slabs can be used in the large pneumatic tyred wheel tracker or cut into beams for bending tests 
● Safety enclosure with optical laser sensors for user safety, easy access and excellent manoeuvrability 
Issued with UKAS certification of calibration

Software
● User friendly, intuitive and reliable Windows? software developed using LabVIEW
● Software is designed to perform EN 12697-33 (Large Scale Device) 
● The user interface can be translated into the user"s preferred language - please enquire 
● Real time display of current compaction height and diagnostic indicators 
● EN compaction routines are included as standard 
● User can design and save custom compaction routines