Can voids be filled with concrete sand?

The answer indicates that voids cannot be filled with concrete sand, suggesting that the correct approach involves using native soil instead. Native soil is preferred because it tends to provide better compaction and integration with the surrounding soil, which is crucial for maintaining stability and reducing the risk of future settling or voids.

Concrete sand, on the other hand, is typically not used for filling voids as it may not bond effectively with surrounding materials and could lead to inadequate support over time. Native soil contains organic materials, clays, and other particles that allow for better cohesion and stability when compacted, making it a more suitable option for filling voids in construction and earthwork projects.

In contrast, the other options suggest alternatives that don't provide the same level of stability or effectiveness in addressing voids. Mixing concrete sand with water or using it as a standard method would not achieve the necessary compaction or bonding required for proper fill applications.