| Sanbanxi concrete facing rockfill dam stands 185.50, which total volume is 867.07×104m3 and the ratio of with to height is 2.28. For its complexities and randomicities, it is hard to accurately obtain some important parameters in construction design for Sanbanxi high rockfill dam with conventional method. This paper analyses in detail construction processes and characteristics of the two subsystems in rockfill dam according to the actual construction. They are haulage and placement of rip-rap subsystems which are interactional. Then integrated simulation is introduced into combining the two subsystems in this paper with technique of cycle operation network and GIS, and it impersonally reflects the actual construction through 3D dynamic visual form.For construction organization plan, the optimized allocation is of great significance to reduce the project cost and ensure the construction period for Sanbanxi Project. Because of the characteristic of being influenced or constrained by time-space, a new method of changing its dynamic into static is presented with the system analysis based on the existed research. Meanwhile, Linear Programming is introduced to solve the problem. In order to strengthen the commonness and agility of model, some human interventions are in an in-depth and particular consideration in building the mathematics model. Based on the ideas, the software of system simulation named EDAMSIM for construction of rockfill dams is programmed with VC++ and GIS. The results show the validity, the efficiency, and practicability of this method, which is a useful management tool for analyzing the construction processes of concrete facing rockfill dams in practice.
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