PSI - Issue 17

O. Plekhov et al. / Procedia Structural Integrity 17 (2019) 602–609 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

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Fig. 1. (a) AGF system for the first shaft of the Petrikov mine (Belorussia), (b) diagram of arrangement of freeze wells (○) and hydro observation wells (●) (R = 10 m, arrows indicate the direction of the cryogenic flow), (c) temperature distribution through the depth of the GN2 at the beginning of the formation of the AGF system, (d) water levels in the hydro-observation wells during the formation of the AGF system, (e) circuit design of hydro-observation wells.