Which type of soil is considered the best for shoring applications?

Type A soil is characterized by its high cohesion and stability, making it the best choice for shoring applications. This type of soil can withstand greater loads and has a higher angle of internal friction, which contributes to its strength and structural integrity. When excavation work is being planned, maximizing safety is critical, and Type A soil generally provides a solid and reliable environment for such operations.

In shoring applications, the soil's ability to support excavations without undue risk of failure is paramount. The properties of Type A soil allow for effective use of shoring systems, as it maintains its shape and strength under pressure. This is contrasted with Type B and Type C soils, which have lower cohesion and can be less stable, posing higher risks during excavation activities. Organic soils, while they may have some cohesion, typically are not suitable for shoring due to their compromised structural integrity.

Thus, Type A soil's robust nature makes it the preferred choice for ensuring safety and stability during excavation and grading operations.