What is meant by model building?

Answer 1

The term building modeling information (BIM) means a process to model a physical building's design with a digital representation. Design, construction, maintenance and demolition may all be modeled.

Answer 2

"Model building" has two main meanings:

Architecture/Construction: Creating a physical or digital scale representation of a building or structure to visualize design, test concepts, or present to clients.

Building Information Modeling (BIM): Creating intelligent 3D models containing both geometry and data about building components (materials, costs, schedules).

In BIM, the model is not just visual it's a database supporting decision making throughout the building's lifecycle from planning to demolition. This is different from traditional CAD drawings which are purely graphical.