A cubic meter (m³) of crusher aggregate refers to the volume measurement of crushed stone, gravel, or other construction aggregates produced by a crusher. Here’s a breakdown of key details:
1. What is Crusher Aggregate?
– Definition: Crushed stone or gravel produced by mechanically breaking down rocks (e.g., limestone, granite, basalt) into smaller fragments.
– Uses:
– Base/sub-base for roads, driveways, and pavements.
– Concrete and asphalt production.
– Drainage systems and landscaping.
2. Weight per Cubic Meter
– The weight of 1 m³ of crusher aggregate varies by material density:
– Granite: ~2.7 tonnes/m³
– Limestone: ~2.4–2.7 tonnes/m³
– Gravel/Sandstone: ~1.6–2.0 tonnes/m³
– *Note*: Moisture content and compaction affect weight.
3. Crusher Types for Aggregate Production
– Jaw Crusher: Primary crushing of large rocks.
– Cone Crusher: Secondary crushing for finer output.
– Impact Crusher: Produces cubical-shaped aggregates.
4. Conversion Factors
– 1 m³ = ~1.3–1.5 tons (varies by material).
– 1 ton ≈ 0.65–0.75 m³ (depending on density).
5. Practical Considerations
– Compaction: Loose aggregate occupies more volume than compacted.
–
Grading: Well-graded aggregates (mixed sizes) reduce voids.
Example Calculation
If you need 10 m³ of crushed limestone (~2.5 tonnes/m³):
– Total weight = 10 m³ × 2.5 t/m³ = 25 tonnes.
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