What is the primary function of a base plate in construction?

The primary function of a base plate in construction is to connect and support the column load. Base plates are typically made of steel and are used to distribute the load of a vertical structural member, such as a column, over a larger area of the foundation or flooring. This distribution is crucial as it helps to prevent localized failures in the supporting structure and provides stability to the entire assembly. By securely anchoring the column to the foundation, base plates help ensure that vertical loads are effectively transferred to the ground, which is essential for maintaining the integrity of the structure.

While other options mention insulation, roofing materials, and foundation anchors, they do not accurately reflect the specific role that base plates play in providing stability and support for vertical loads in construction.