Model Experimental Study on the Seepage and Failure Features of Tunnel under Wetting-Drying Alternation with Increasing Water Pressure

<div>Variations in tunnel deformations with the increase of wetting-drying alternation number: (a) convergence between roof and floor and (b) convergence between two side walls.</div>

Geofluids

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Figure 7

Figure 7: Model Experimental Study on the Seepage and Failure Features of Tunnel under Wetting-Drying Alternation with Increasing Water Pressure 