Multi-objective Optimization of Airport Runway Construction Schedule Considering Activity Overlapping Based on BIM and Genetic Algorithm

In the management of airport runway engineering project, scientific and reasonable arrangement of construction schedule is an important factor to ensure the short construction period, low cost, good quality and good environment. In this paper, firstly a 3D solid model of the runway, quantitative data such as engineering quantity and cost of the runway, and initial construction schedule are built using BIM series software. Then, a mathematical model considering activity overlap is established for optimizing the objective functions of construction period, cost, quality, and environment. And a multi-objective optimization software for airport runway construction progress is developed using genetic algorithm and Matlab GUI language. Finally, based on an actual airport runway engineering case, this method and software are applied to multi-objective optimization of runway construction progress, verifying the effectiveness and practicality of the method and software. It provides a guiding basis for the formulation of the construction schedule of the airport runway.