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Chen, T, Hu, H and Zhu, F (2020) Developing a Hierarchical Road Layout Method for Large-Scale Construction Site. Journal of Construction Engineering and Management, 146(09).

  • Type: Journal Article
  • Keywords: Large-scale construction projects; Road layout; Road hierarchy; Site layout planning;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)CO.1943-7862.0001848
  • Abstract:
    Large-scale construction projects that unify multiple subprojects and cover a large site area have been increased by rapid urbanization. Frequent traffic accidents have occurred inside these construction sites, which highly requires a reasonable road system to prevent traffic problems from the planning level. To address the research gap in modeling road layout for large-scale construction projects, this paper develops a hierarchical road layout method. Specifically, the method is established in three levels to distinguish the traffic demands inside and outside subprojects. Permanent roads are reconstructed to form a basic road network for the three road levels. Two optimization models are established to arrange nodes and links on the basic network. Preliminary evaluation results of a tourist resort project show that the proposed method can improve efficiency and safety performance. Further, the scenario analysis proves the feasibility in other types of large-scale projects. This primary investigation initially considers road hierarchy and utilization of permanent roads. Hopefully, it will enhance the traffic performance of large-scale projects and inspire more concerns on the traffic planning at preconstruction stage.