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In literature 4D is primarily dedicated to the constructability analyses conducted during the pre-construction stage. It is also adapted to monitoring the progress of work. In short, 4D makes it possible to check that building elements can be built/assembled within the spatial and time constraints of the construction project.

In parallel researchers more and more attemps to understand the added-value of 4D CAD in design stage. We conducted a case study aiming at implementing a 4D model during the "advanced design" stage of a construction project.

The results are reported in a short article published on Tudor's website: in french and in english.