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4D Construction Models

Current construction process planning is done using scheduling and schedules in Gantt Charts. Whilst the project managers can follow these complex maps, they are not particularly good commucation tools for those unaccustomed to them. With the more collaborative way of working today, building trust through communication is invaluable.

In many cases, problems in any complex project stem from the owners misconception of reality. This is typical in construction. It is difficult to explain the interrelationships of forces and construction elements using two dimensional drawings, particularly in the case of multi-storey buildings.


4D Construction Plan Models

A 4D model combines a 3D model with scheduling data. A 4D model can be used to:

  1. increase the quality of the process plans
  2. build better models and simulations of the construction process
  3. duration of the projects
  4. maintain certainty that the schedule is realistic
  5. communicate progress and issues between stakeholders

Automation Approach

To automate generation of 4D models computer applications with reasoning engine[s], together with construction operations knowledge are able to interpret 3D geometric data and produce a process plan showing exactly how the building can be constructed.

Linking Approach

A linking approach can be sued to create dynamically linked 4D models. This provides for the updating of schedules and designs without the need to recreate the 4D model every time a change is made. Done in this way, the use of the 4D model adds little additional expense to the program budget.

Both VTT and Eurostep have developed a tool that can create a dynamic and real-time link between 3D IFC model and a schedule. 4D Tool development was partially funded by DIVERCITY.


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Further Resources

How To Create A Dynamically Linked 4D Model

NEXT: Using VR In Automotive Design & Testing


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