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Material composition and constitutive model development of red mud-based filler for highway tunnel invert filling applications: A comprehensive study
Fig 14
The (σ1-σ3)-ε1 curves of MRM with confining pressure under different ages.
(a) 7d, (b) 14d, (c) 28d.
doi: https://doi.org/10.1371/journal.pone.0321926.g014