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AUTOMATED MANAGEMENT , MODELLING AND CHOOSING OF ECONOMICALLY EFFECTIVE VARIANT IN CONSTRUCTION

A construction process is affected by many factors, which in one or another way influence all the parameters (development, infrastructure, duration, resource demand) of the investment project of construction being implemented. Efforts are made to foresee the influence of these factors with the help of various calculation means and databases, based on both statistical and expert (high experience) data. When calculating, it is assumed that parts of the project under examination or even the entire project is similar to those construction projects that were accomplished earlier, but these are only assumptions and their bias degree is quite high in comparison to actual parameters, obtained after implementation of the project. In order to determine as precisely as possible theoretical values of the parameters [1] and to reduce errors, in the field of construction it is offered to apply PLM (Project Life Management) [2] or so called 4D concept. In the mechanical engineering industry the project life management has been used already for more than ten years enabling in static and dynamic environment simulating not only 3D nodes [3], but also the whole construction project consisting of elements [4], to which their specific characteristics (and other relevant information) as well as permanent interconnections have been assigned [5]. The fourth dimension – time – is employed for the analysis of simulation, i.e. the project can be evaluated in respect to time (resistance to long-term effects, uniform durability of the project parts, economy and of resources and energy related to implementation of the project, analysis of ecological pollution, etc.).