Integrated Activity Scheduling and Site Layout Planning

Isaac, Shabtai; Su, Yi; Lucko, Gunnar

doi:10.22260/isarc2017/0112

Cited by 2 publications

(2 citation statements)

References 15 publications

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“…Prevailing activity-oriented construction scheduling techniques -e.g., Gantt Chart, Network Diagram, Critical Path Method-are not able to consider spatial requirements of activities and for this reason the generated construction schedule is limited in capturing real site conditions. Moreover, more complex techniques -such as Line of Balance-have likewise insufficient ability for workspaces planning because they assume that only one labor crew is able to occupy each work-zone at a time and they lack of a 3-Dimensional representation and planning of spaces as well as spatial conflicts among themselves [9].…”

Section: Need and Justificationmentioning

confidence: 99%

Computational Workspaces Management: A Workflow to Integrate Workspaces Dynamic Planning with 4D BIM

Getuli¹,

Capone²

2018

Proceedings of the International Symposium on Automation and Robotics in Construction (IAARC)

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An effective realization of a building construction project-without incurring in congested site areas or decline of productivity-tightly depends on the construction activities planning process that, should consider and manage site workspaces availabilities. In this context, in the past couple of decades many research efforts have been spent in BIM which represents the process of preparation and use of a computer-generated Building Information Model (BIM) even if effective integrated methodologies and models to assist construction workspaces management are still missing in the field. This contribution proposes an integrated model that aims to automate the creation of a building digital prototype, BIM-based, in which real site condition, in terms of workspaces allocation, are fully simulated. The outputs of a built-in algorithm to define the on-site workspaces configuration pattern based on the space syntax analysis together with a second one to automatically model workspaces geometries with minimizes input work are presented. Those algorithm are integrated in a coherent construction workspaces management workflow and tested on a simplified BIM of an industrial building, succeeding to allocate and model 611 workspaces required to construct 98 building items the BIM is composed of.

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Section: Need and Justificationmentioning

confidence: 99%

Computational Workspaces Management: A Workflow to Integrate Workspaces Dynamic Planning with 4D BIM

Getuli¹,

Capone²

2018

Proceedings of the International Symposium on Automation and Robotics in Construction (IAARC)

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“…However, all these approaches tackle a unique aspect of the scheduling problem: CB is about optimal sequencing, GA on resource optimization and levelling, NN on time-cost tradeoff and optimization, MB on spatial reasoning. Some remarkable examples about MB simulated the construction process either by means of a set of differential equations [15], or an integrated mathematical model [16] or a probabilistic approach [17].…”

Section: Scientific Backgroundmentioning

confidence: 99%

Holonic Execution System for Construction Management

Naticchia¹,

Vaccarini²,

Carbonari³

2018

Proceedings of the International Symposium on Automation and Robotics in Construction (IAARC)

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Ensuring high efficiency in construction through advanced planning techniques must be supported by the simulation of construction processes. In previous research, the potential for multi-agent based simulation to support the planning phase were successfully shown with regard to some typical construction tasks. Among the main benefits determined by this approach the following ones were reported: capability of simulating real-world processes and interaction among resources; powerful 3D visualization; optimal sizing of resources. However, those models are not easy to create, because of the absence of built-in blocks and the many relationships among single agents and between agents and context.In this paper we propose the application of a novel holonic system for construction management, which is a sub-category of multi-agent systems. It combines the high and predictable performance promised by hierarchical systems with the robustness against disturbances and the agility of heterarchical systems. Holons are self-contained, stable, intermediate forms, that can be used to create a bigger whole. By using holons, designers aim to create complex systems that can be reused and redesigned much more rapidly than standard multi-agent systems. The approach was applied to the optimal scheduling of bored piles construction. Hence, a holonic construction execution system for bored piles tasks was developed. The holonic architecture was designed so as to integrate the DMAS pattern for scheduling optimization through stigmergy. The results of this paper showed the easy reusability of our simulation sub-systems and the potentials in terms of automatic optimal planning of construction works.

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Integrated Activity Scheduling and Site Layout Planning

Cited by 2 publications

References 15 publications

Computational Workspaces Management: A Workflow to Integrate Workspaces Dynamic Planning with 4D BIM

Computational Workspaces Management: A Workflow to Integrate Workspaces Dynamic Planning with 4D BIM

Holonic Execution System for Construction Management

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