Which splitting method is required for most coarse aggregates?

The mechanical splitter is often required for most coarse aggregates because it provides a consistent and efficient means of splitting large aggregate samples into smaller sizes for testing. This method allows for a precise division of the material, ensuring that the split sample accurately represents the entire batch.

Using a mechanical splitter is especially crucial in quality control and testing scenarios, as it minimizes the potential for human error and variability that can arise with hand splitting methods. Mechanical splitters are designed to handle various aggregate sizes and types, making them a versatile tool in lab and field settings.

In contrast, hand splitting may introduce inconsistencies in sample sizes and is generally less practical for handling larger aggregates. Clam shell and bin discharge methods are typically not used specifically for splitting aggregates; they are more suited for other processes like sampling or handling materials. Therefore, the mechanical splitter is the preferred choice for ensuring representative sampling of coarse aggregates.