Assessing the surfacing of internal erosion in moraine core dams – II



  • Fig01_IntErosion
  • Figure 5 - Number of rockfill dams with and without filter transition component in relation to performance history of internal erosion
  • Figure 1 - Number of dams in relation to performance history of internal erosion and elapsed time until first internal erosion sign
  • Figure 2 - Core internal stability against filter internal stability in relation to performance history of internal erosion (dam categories 1-3)
  • Figure 3 - Filter D15 put against filter internal stability in relation to performance history of internal erosion (dam categories 1-3)
  • Figure 4 - Percentage coarser than no. 4 sieve in filter put against max. particle sieved in filter in relation to history of internal erosion (dam categories 1-3)
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