DRAIN WALL ARRANGEMENT IN GROUND AND METHOD FOR PROTECTING CERTAIN AREA OR CERTAIN UNDERGROUND STRUCRURE FROM GROUNDWATER FLOW IN CERTAIN DIRECTION

摘要

construction engineering; protection of certain area, surface or underground installation from groundwater. SUBSTANCE: device has a number of drain wells forming certain wall, at least one first drain and leveling gallery, at least one second drain and leveling gallery, facilities hydraulically joined to drain and leveling galleries and used for eliminating drained discharge. Novelty is that mentioned method involves installation of drain wall arrangement; mentioned wall is arranged in front of this area or this space along water flow and strictly perpendicular to this flow. Proposed method provides for isolating certain underground space from groundwater occurring in subsoil layer of particular area. EFFECT: provision for preventing damage to mentioned space by groundwater or escape of pollutants together with water flowing through this space. 8 cl, 8 dwg