Rubber water stop artifacts

Rubber water stop artifacts 

Ming hole arch wall casting finish, meet the design concrete strength should immediately after laid backfill waterproof layer. Ming hole waterproof design for waterproof layer. When construction, will first appear on the surface of the concrete reinforced top clean, neat cut on the concrete surface uneven, with cement mortar lining daub smooth appearance, so as not to damage the waterproof layer To prevent hole and tunnel waterproof plate joint destruction in backfill, with backfilling surface contact with 3 cm thick waterproof cement mortar protection plate joint