Simulation of constructive processes

Adriana Gómez Cabrera


This paper presents the simulation of discreet events as a tool for the planning and the analysis of construction projects based on a case study of the constructive process of a reinforced con-crete structure that includes the foundation, pedestals, beams, a slab and columns. Initially a field work was carried out to register duration, resources and delays for each activity. Based on this information a simulation model in the software Arena was developed. The sequence of the activities, probability dis-tribution functions defined for the processes and the resources used were included for each activity. The model works through an interface with Microsoft Excel and macros developed in Visual BASIC, through which the user can easily introduce the input data. The simulation controls the duration of ac-tivities, use of resources and consumption of materials. This integration of tools allows simulating dif-ferent project scenarios permitting to analyze improvement opportunities assigning different attributes to the variables that affect the project such as activities begin date, availability of resources and materi-als, among others.

Rev. ing. constr. [online]. 2010, vol.25, n.1, pp. 121-141. ISSN 0718-5073.


Digital simulation; software arena; construction processes; discrete events; reengineering


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