A Multi-Layer Constraint and Decision Support System for Construction Operation-A simulation framework for the exterior construction works in high rise building

摘要

Up till now, traditional methods of planning construction projects such as 2D technologies including bar charts, network diagrams and other scheduling tools, which are typical methods for modeling the progress of a project, have been the only methods considered. These planning tools are incapable of acknowledging different aspects of construction projects, that it to say, they ignore the space requirements, in which activities are executed and the impact of weather on construction processes. This leads to drawbacks during the execution of these tasks such as work area overlapping, reduction in productivity, safety hazards, long hauling paths and poor quality of work. Therefore, the objective of this paper is to acknowledge the requirements of spatial aspects and the impact of weather, and to integrate-these requirements into one simulation framework model. We propose a constraints-based simulation framework. That is to say, the simulation framework executes only tasks, which satisfy the requirement of the space availability and sensitivity towards weather conditions. The implementation of the multi-layer decision support system for construction operations was carried out in Plant Simulation environmeht and the Simulation Toolkit Shipbuilding (STS) Tool Box Component. This concept will assist site managers in planning and updating the near-term activities for the exterior construction work of high rise buildings. This is ongoing research; therefore, other aspects such as execution strategies for different tasks will be developed in a future approach. This research contributes a new approach to integrating different construction problems in one simulation model, which have not been much considered in previous work.