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Dynamic facilities planning model for large scale construction projects

机译：大型建设项目动态设施规划模型

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Due to the ever-increasing complexity of construction site layouts, dynamic facilities allocation is proposed in this paper to account for planning changes throughout the construction process. A grid layout model is proposed to accommodate safety as a design parameter beside cost using a grid system for layout design based on the safety proximity level between facilities. This model is prepared using the Site Blocks Algorithm, a MATLAB computer code developed to account for travel distances of labourers and equipment. Then a Binary Integer Linear Programming Model is developed to optimise the site layout considering availability, overlapping, setup, dismantling, prohibited regions and relocation constraints. The model is validated by applying it on a large-scale construction project consisting of 25 twin buildings over an area of 500,000 m2. Using dynamic allocation over three planning stages, a 20.68% reduction in total layout cost – consisting of cost of transportation, dismantling, setup and relocation of facilities – is accomplished.
机译：由于施工现场布局的日益复杂性，本文提出了动态设施分配，以考虑整个施工过程中的规划变更。提出了一种网格布局模型，该网格布局模型基于设施之间的安全接近程度，使用网格系统进行布局设计，以在成本之外提供安全性作为设计参数。该模型是使用Site Blocks算法准备的，Site Blocks算法是一种MATLAB计算机代码，旨在解决劳动力和设备的行驶距离。然后，开发了一个二进制整数线性规划模型，以考虑可用性，重叠，设置，拆除，禁止区域和搬迁约束来优化站点布局。该模型已通过将其应用在一个由25座双人建筑组成的大型建筑项目中而得到验证，该建筑面积达500,000平方米。通过在三个规划阶段进行动态分配，可将总布局成本（包括运输，拆卸，设施安装和搬迁成本）降低20.68％。

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