Prefis precracking technique
- Designed to prevent cracks in road beds treated with hydraulic or pozzolanic binders
- Mounts on tractor-shovel equipment
- Hydraulically-controlled arm comes with vibrating tool and spray nozzle mounted at front of tractor
- Produces furrows up to 16.4 ft. in width and 12.6 in. in depth
- Arm makes transverse furrows at fixed intervals in gravel substrate while injecting bitumen emulsion binder into furrow
- S2C Industrie
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