Representation of Vertical Constraints Knowledge for Scheduling Multi-Story Projects

by Walid Y. Thabet, Union Coll, Schenectady, United States,
Yvan Beliveau, Union Coll, Schenectady, United States,

Document Type: Proceeding Paper

Part of: Computing in Civil Engineering


Multi-story projects are characterized by many repetitive units or typical floors that involve identical activities repeated consecutively from one floor to the next. Horizontal logic constraints defined by a typical floor network control the sequence of activities executed on the same floor. In this type of construction, however, the overall schedule is also controlled by vertical constraints that define logical links or dependencies between activities executed on different floors. Current scheduling techniques allow to consider vertical logical constraints in their scheduling approach. However these techniques do not provide a formalized methodology to incorporate the constraints. This paper describes a structured procedure that defines a set of critical floors at which the imposed vertical constraints need only be checked for each activity. The paper also describes briefly a model to define acquired data of vertical constraints.

Subject Headings: Floors | Mid-rise buildings | Scheduling | Project management | Construction management | Mathematical models | Structural models | Data collection

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