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Two fundamental limitations of the Precedence Diagramming Method (PDM), which currently hinder the proper modeling of construction projects are discussed and overcome. Activities in the original model are (1) assumed to progress linearly from their start to their finish, which is rarely true in construction projects, and (2) connected only via their end points. The extension that is presented here...
Scheduling repetitive work by multiple crews is a typical mission for schedulers, who must arrange the productivity, number, and size of crews and their lead or lag. Currently, the Linear Scheduling Method (LSM) and Line-of-Balance (LOB) can analyze repetitive work. These two related methods possess virtues, but lack a unified theory so that they could complement each other. Therefore, this paper...
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