Structural modular parameterization of the road construction flow in the information modeling system

The analysis of the implementation of complex construction projects in Russia and abroad using BIM technologies revealed the importance of optimizing design solutions at the scheduling stage. Inadequate reflection in the process of modeling the real conditions of linear road construction leads to a violation of the terms of facilities’ commissioning and reduces in the efficiency of organizational and technological solutions. The purpose of this research is to provide the adequacy of the model and optimization of the highway construction timing, directly in the process of information modeling of a complex flow. To solve the problem, the theory of structural-parametric synthesis of flow systems has been used. The complex road construction flow is considered on two levels: micro level for parameters of separate links of specialized flows; macro level for parameters of interaction of specialized flows as independent objects of modeling between them. The structural decomposition of the object is presented in the form of a graph with vertical division at the 3rd level into relatively homogeneous areas with the allocation of two types of modules: linear design and technological modules (LDTM); concentrated design and technological modules (CDTM). The concept is implemented based on the convergence of previously created simulation models for the optimization of complex road construction flow and information modeling, with the transition of model time from "∆t" to model-event. The mathematical statement of the problem is presented, the constraints and the objective function are determined. As a demonstration example, the calculation of the optimal calendar schedule for the construction of a road for given resources in the MS Project program is presented. The toolkit of the program made it possible to take into account the change in the operating mode of the enterprise during the year, the peculiarities of the transition to winter technologies. The Gantt chart, calculated using this method, has been transformed into a linear graph in the axis “duration – length”.

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