Research on GIN Parameter Design Method for International Hydropower Projects
On the basis of Dr.Lombardi's GIN theory,combined with the ICOLD bulletin concerning the foun-dation of dam and the GIN grouting experience of previous international hydropower projects,this paper relies on the curtain grouting practice of the earth-rock fill dam of the Gribo-Poboli Hydropower project in Cote d'Ivoire,and improves the GIN value design method based on the dam foundation rock quality and Lugeon water test results.Two extreme boundary conditions which should be considered in the design of Pmax and Vmax values are proposed,and the research process safety guarantee factor of slurry diffusion radius is proposed ba-sing on theoretical formula calculation and practical experience.
International projectsHydropower projectEarth-rock fill damGINCurtain groutingStable slur-ryDesign method
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