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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 30
Edited by: B.H.V. Topping
Paper IV.1

Generating Alternative Schedules using an Interactive Graphic based System

W.Y. Thabit* and N.N. Dawood#

*Civil Engineering Department, Union College, Schenectady, USA
#Division of Civil Engineering and Building, University of Teesside, Middelsbrough, UK

Full Bibliographic Reference for this paper
W.Y. Thabit, N.N. Dawood, "Generating Alternative Schedules using an Interactive Graphic based System", in B.H.V. Topping, (Editor), "Developments in Computer Aided Design and Modelling for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 57-61, 1995. doi:10.4203/ccp.30.4.1
In the construction industry, the order of execution of the project is not restricted to a specific sequence, but is rather flexible and may proceed in various directions. As a result, the planning of such projects should allow for testing alternative "what-if" scenarios in order to determine the most feasible schedule. This paper describes an interactive graphic-based scheduling system for generating alternative schedules. The system takes as input an initial 1ogical network for a schedule. A dynamic graphical display module allows the user to modify activity bars directly on the screen. User changes are restricted to a range of values imposed by scheduling criteria that are defined in a knowledge-based scheduling module. The scheduling module defines the scheduling rules and criteria and is responsible for generating a new schedule based on the user changes.

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