Domínguez, B, Spichiger, A, Jara, R & Pavissich, C 2009, 'Hydraulic Transportation of Highly Thickened Solids in Open Channels', in R Jewell, AB Fourie, S Barrera & J Wiertz (eds), Paste 2009: Proceedings of the Twelfth International Seminar on Paste and Thickened Tailings, Australian Centre for Geomechanics, Perth, pp. 213-223, https://doi.org/10.36487/ACG_repo/963_25 (https://papers.acg.uwa.edu.au/p/963_25_Dominguez/) Abstract: The increasing shortage and cost of water resources available for the mining industry has brought about a rise in the solid content of hydraulically conveyed slurries, particularly when open channels are used, as is largely the case in countries such as Chile. The applicability restrictions of traditional equations that are based on 50% solids w/w and the limited empirical experience have given raise to test-study research on highly thickened flows. These laboratory tests modelled flows for various solid contents (40%