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Table 5: Calculation results

AB1 = Minimum safety factor of Bishop and Morgenstern slope stability analysis method
AB = Minimum safety factor of Swedish arc method
AB4 = Minimum safety factor of Circular slip method
AB3 = Minimum safety factor of Roer method
According to the above results, the slope stability is deemed to be safe.

Upstream Downstream ?x ?y D3 AB1 AB AB4 AB3 Note
M M
65.28 54.5 57.1 -19.6 13.1 1.725 1.656 1.746 1.719
64.97 54.5 56.9 -19.6 13.1 1.725 1.684 1.776 1.749
64.97 54.5 57.0 -20.6 13.1 1.557 1.495 1.554 1.550 Under earthquake
64.10 54.5 57.1 -19.6 13.1 1.783 1.716 1.804 1.777
64.10 54.5 57.1 -20.0 13.1 1.583 1.519 1.579 1.593 Under earthquake