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Title: RISim: Resource-interacted simulation modeling in construction
Authors: Chua, D.K.H. 
Li, G.M.
Keywords: Construction
Project management
Simulation models
Issue Date: May-2002
Citation: Chua, D.K.H., Li, G.M. (2002-05). RISim: Resource-interacted simulation modeling in construction. Journal of Construction Engineering and Management 128 (3) : 195-202. ScholarBank@NUS Repository.
Abstract: Discrete-event simulation is an effective approach to analyze construction operations. However, it is usually time-consuming and knowledge demanding to develop a practical simulation model, and thus not cost-effective due to the uniqueness and relatively short life of construction projects. The capability of discrete-event simulation modeling has not been popularly recognized by site managers until recently. A clear and explicit solution is to simplify and speed up the model development cycle, so as to enable users without much knowledge of simulation technology to easily generate a model in a relatively short period of time. In this paper, a resource-interacted simulation (RISim) modeling approach is presented, which adopts a resource oriented methodology to promote an intuitive feel to simulation modeling. In RISim, an operation is modeled in two abstraction levels - namely, the resource level and process level. An operation is viewed as a collection of resources and their interactions. Complex resources and simple resources are used to respectively represent resources with or without their own processes. The operation logic is mainly represented with internal complex resource flows, which are integrated by simple resource flows between complex resources. Resource flows can be easily conceived by site managers, enabling them to build up the logic naturally and simply. A resource library is used to implement resource reusability. Finally, an example in concrete delivery operation illustrates the methodology of resource-interacted simulation modeling and its potential for "plug-in and simulate.".
Source Title: Journal of Construction Engineering and Management
ISSN: 07339364
DOI: 10.1061/(ASCE)0733-9364(2002)128:3(195)
Appears in Collections:Staff Publications

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