What is the factor of safety recommended for distributing the total machinery weight plus the foundation weight in soil?

The recommended factor of safety for distributing the total machinery weight plus the foundation weight in soil is typically set at 5.0. This value helps ensure that the foundation is capable of supporting the total load without risk of failure or excessive settlement. A factor of safety of 5.0 accounts for unknown variables and uncertainties in the soil conditions, material properties, and loading conditions that could affect the stability and integrity of the structure.

In engineering practices, the factor of safety is derived from both empirical studies and safety considerations. It provides a buffer against potential issues such as soil variability, changes in moisture content, and unexpected loads. By choosing a factor of safety of 5.0, engineers aim to manage risk effectively and enhance the longevity and reliability of the machine foundation.