What is the purpose of sloping excavation sides?

The purpose of sloping excavation sides is primarily to ensure safety from cave-ins. When excavations are conducted without proper supports or sloping, the walls can become unstable, leading to potentially dangerous conditions for workers. Sloping the sides of an excavation reduces the angle of the soil's weight on the wall, thereby decreasing the risk of collapse. This practice follows safety regulations and guidelines designed to protect workers in excavation environments.

While making digging easier, improving soil drainage, and expediting the excavation process may have some merit, they do not directly address the critical safety concerns associated with excavation work. The primary reason for implementing sloping is to create a safer working environment by preventing collapse, which can cause serious injuries or fatalities on site. This focus on worker safety makes sloping an essential practice in construction and excavation work.