24th Annual Conference of the International Group for Lean Construction - Boston, Massachusetts, USA - 2016

BIM and Sequence Simulation in Structural Work – Development of a Procedure for Automation

Omid Haiati1, Jakob von Heyl2 & Sarina Schmalz3

1MSc. Omid Haiati, Development Engineer, Wolff & Müller Group, Germany
2Dipl.-Wirt.-Ing., Scientific Assistant, Institute of Construction Management, University of Stuttgart, Germany, +49 711 685-66143, [email protected]
3Dipl.-Wirt.-Ing., Scientific Assistant, Institute of Construction Management, University of Stuttgart, Germany, +49 711 685-66160, [email protected]

Abstract

Sequence simulations are a very useful tool to increase the visibility of workflows, to identify potential conflicts in advance, to improve the communication between different trades and to assign tasks accurately. Hence, the entire construction process can be executed in a more efficient manner – saving time and costs. Building Information Modeling (BIM) enables the linking of schedules and 3D CAD models. This is widely understood as 4D-simulation. However, in practice the process of data entry is time-consuming, making the employment of this procedure cost-prohibitive. As consequence, it has not yet been established in practice. 4D-simulation has yet to show any noticeable simplification or improvement to the planning and scheduling process. The goal of this paper is to support the development of a procedure which automates the generation of a construction schedule from the data of a standard BIM model. Firstly, a demarcation of research will be done, as there are already several research approaches in the field of 4D simulation. Secondly, a system analysis of structural work will be executed in order to identify requirements for the procedure. An important criterion is that the construction schedule can be formulated and adapted in all project phases. Building on the results of the systems analysis, a process model can be formed in which the activities of a construction schedule can be constructed as a universal and project-independent template. For each of these activities, attributes are established which exactly describe the associated components of the BIM-model specific to any particular project site. The attributes of the activities from the process model must be tested for consistency with those from the BIM model. A case example is demonstrated to validate the developed procedure.

Keywords

Building Information Modeling (BIM), 4D-simulation, Scheduling, Visual Management, LPS

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Reference

Haiati, O. , Heyl, J. V. & Schmalz, S. 2016. BIM and Sequence Simulation in Structural Work – Development of a Procedure for Automation, 24th Annual Conference of the International Group for Lean Construction , -. doi.org/

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