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Spatiotemporal chronographical modeling of procurement and material flow for building projects

  • Francis, Adel (Construction Engineering Department, Ecole de technologie superieure, Quebec University) ;
  • Miresco, Edmond (Construction Engineering Department, Ecole de technologie superieure, Quebec University) ;
  • Le Meur, Erwan (Ecole Nationale Superieure d'Architecture de Paris-Belleville, Universite de Paris Est)
  • 투고 : 2018.09.30
  • 심사 : 2019.02.13
  • 발행 : 2019.04.25

초록

Planning and management building projects should tackle the coordination of works and the management of limited spaces, traffic and supplies. Activities cannot be performed without the resources available and resources cannot be used beyond the capacity of workplaces. Otherwise, workspace congestion will negatively affect the flow of works. Better on-site management allows for substantial productivity improvements and cost savings. The procurement system should be able to manage a wider variety of materials and products of the required quality in order to have less stock, in less time, using less space, with less investment and avoiding multiple storage stations. The objective of this paper is to demonstrate the advantages of using the Chronographic modeling, by combining spatiotemporal technical scheduling with the 4D simulations, the Last Planner System and the Takt-time when modeling the construction of building projects. This paper work toward the aforementioned goal by examining the impact that material flow has on site occupancy. The proposed spatiotemporal model promotes efficient site use, defines optimal site-occupancy and workforce-rotation rates, minimizes intermediate stocks, and ensures a suitable procurement process. This paper study the material flow on the site and consider horizontal and vertical paths, traffic flows and appropriate means of transportation to ensure fluidity and safety. This paper contributes to the existing body of knowledge by linking execution and supply to the spatial and temporal aspects. The methodology compare the performance and procurement processes for the proposed Chronographic model with the Gantt-Precedence diagram. Two examples are presented to demonstrate the benefits of the proposed model and to validate the related concepts. This validation is designed to test the model's graphical ability to simulate construction and procurement.

키워드

참고문헌

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피인용 문헌

  1. Spatiotemporal Planning of Construction Projects: A Literature Review and Assessment of the State of the Art vol.6, 2019, https://doi.org/10.3389/fbuil.2020.00128
  2. A semi-automated method for integrating textural and material data into as-built BIM using TIS vol.5, pp.2, 2019, https://doi.org/10.12989/acd.2020.5.2.127
  3. Barriers to BIM Adoption in Brazil vol.7, 2019, https://doi.org/10.3389/fbuil.2021.520154