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HIGHWAY PAVING with BULK Rapid Set® Cement
SUMMARY INSTRUCTIONS:
1. Compact and dampen subgrade soil or stone
2. Minimum 2” repair thickness
3. Mix per manufacturer’s instructions
4. Press material firmly into place
5. Finish quickly
6. Wet cure for 1 hour or until final set, whichever is longer
7. Clean equipment and surrounding area immediately
8. See Full Instructions below for details
FULL INSTRUCTIONS:
SURFACE PREPARATION:
1. Subgrade soil or stone shall be well compacted and dampened.
MIXING:
1. Organize personnel and equipment before mixing.
2. Mix Rapid Set® Cement, sand, stone, water, and admixtures (if required) in ready mix truck or mobile mixer (volumetric mixer).
3. Bring the mix to a slump of 6 inches ± 1 inch.
4. Control the mixed temperature by protecting the cement and the aggregates from temperature extremes, by using hot or cold mix water, or by other methods.
5. Do NOT re-temper.
PLACEMENT:
1. Place repair material immediately after mixing.
2. Place repair material only if surface and ambient temperatures are above 45°F and rising.
3. Work the mixed repair material firmly into all application surfaces to achieve good bond. Consolidate to remove air voids.
4. Do NOT wait for bleed water. Apply final finish as soon as possible.
CURING:
1. Begin water cure when repair area begins to lose its moist sheen and keep continuously wet for 1 hour or until final set, whichever is longer.
CLEAN UP:
1. Maintain a clean, orderly work area.
2. Clean excess material from surrounding areas and equipment immediately.
3. Protect adjacent surfaces that may be damaged by cement mixture with drop cloths, waterproof paper, or other means to maintain surfaces free of material splashes, water, and debris.