in the cliff built kylfoervaringsutrymme during hoegt pressure

摘要

In a gas-rock storage cavern (10) the inner surface (11) of the wall structure of the cavern is a fluid-tight sealing coating and between the supporting structure (12) of the coating and the blasted rock wall is provided an air-permeable, porous concrete layer (13) in which air is conducted under pressure by means of perforated tubes (15) at a pressure above the surrounding ground water pressure. A drainage tunnel is located beneath the cavern. IMAGE