Resource-based modeling for construction simulation

The application of simulation in the construction industry has always been hindered by the complexities involved in constructing simulation models and the resultant time requirement. This paper presents a modeling method for construction simulation-resource-based modeling (RBM), in which operating processes of active resources are defined as atomic models (basic and unique description of a particular process) and are stored in a model library. These atomic models can be modified to form project-specific atomic models according to user-specified project information. Through defined linking structures, they can be assembled into a working simulation model for the project. Therefore, the user can construct a simulation model for a project by simply specifying required resources and project site conditions. The modeler does not have to be proficient with simulation theory and the selected simulation language. Our experience with implementing simulation in the construction industry shows that this is an effective approach. A sample application is used to illustrate the RBM concepts and its advantages.