Due to the complexity and randomicity in high rockfill dam construction, it is hard to obtain accurately some important parameters for construction planning by conventional method. On the basis of the existing Cyclic Operations Network (CYCLONE) technology and GIS-based three-dimensional visualization technology, this paper presents a computer aided design method for construction programming of rockfill dams through integral whole-process simulation, which combines organically the embankment material transport subsystem and the dam fill subsystem. By that means reasonable parameters and a visual expression of the complicated logic space-time relations in the construction process are obtained. Based on the above ideas, simulation software for rockfill dam construction is developed and has been applied in the high rockfill dam construction of Sanbanxi.
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