FIELD: transportation development, erection of tunnel lining in transportation tunnels and underground railways. SUBSTANCE: tunnel lining includes outer and inner guarding structures, clearance between them houses hydraulic insulation material. Liquid inorganic material in which internal pressure exceeding value of external hydrostatic pressure is created, specific density of hydraulic insulation material is higher than density of water. Fixing reinforced cage and circular partitions are placed in clearance between guarding structures. EFFECT: enhanced hydraulic insulation characteristics of tunnel lining. 2 cl, 2 dwg
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