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Paper convr-2013-57:
Automatic generation and visualization of location-based scheduling

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Shah R,Dawood N,Castro S

Automatic generation and visualization of location-based scheduling

Abstract: Accurate and visual information of working locations is vital for efficient resource planning and location-based scheduling of earthworks, which is missing in existing linear schedules. Thus, construction managers have to depend on subjective decisions for resources allocation and progress monitoring from location aspects. This has caused uncertainties in planning and scheduling, and consequently delays and cost overruns of projects. A framework of prototype model was developed using the theory of location-based planning to overcome the above issues. This paper focuses on a case study experiments to demonstrate the functions of the model, which includes automatic generation of location-based earthwork schedules and visualization of cut-fill locations on a weekly basis. An arithmetic algorithm was developed by incorporating road design data, sectional quantities, variable productivity rates, unit cost and haulage distance. The model provides weekly information of locations, directions and cut-fill quantities of earthwork under different selections: construction sequences of cut/fill sections, site access points and equipment sets. The paper concludes that the model assists in identifying the correct locations and visualizing the space congestion during earthwork operations. Hence, project resources including heavy equipment and construction materials should be allocated more effectively and correctly from the location viewpoints and ultimately to improve site productivity and reduce production cost in linear projects.

Keywords: Earthworks,Cut-fill quantity,Location-based scheduling,Productivity,Visualization


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