Displacement-Based Back-Analysis of the Model Parameters of the Nuozhadu High Earth-Rockfill Dam

Table 1

Stepwise displacement back-analyses.

Back-analysis	Observation data date	Upstream water level	Parameters analyzed
1	Dec. 15, 2011	666 m	𝐾, 𝑛, 𝐾𝑏, 𝑚 (E-B)
2	May 14, 2012	738.3 m	𝐾, 𝐾𝑏 (E-B); 𝛼, 𝜆, 𝑑 (creep); 𝑎, 𝑏, 𝑐 (wetting)