| 摘要 |
FIELD: construction. ^ SUBSTANCE: invention concerns hydraulic engineering and hydromeliorative construction, in particular to compositions for weatherproofing of joints of hydraulic engineering constructions and repairing of concrete and reinforced-concrete constructions of hydro-economic objects, for example, for the purpose of sealing the destroyed joints and the slots formed during maintenance in grout facings of channels and ponds. An invention aim is creation of composition with high physic-mechanical properties for weatherproofing of joints of hydraulic engineering constructions, mainly grout facings of channels and ponds. The pointed aim is achieved due to that composition includes cement, plaster with the crystallising water 7.5-19.0 mass %, calcium hydrocarbonaluminate and the calcium hydro-pomegranate, and in addition contains a sanding dust - a manufacture withdrawal asbestos-technical products. ^ EFFECT: increase of adhesive durability of sealing composition to concrete of abutting members and decrease in its water absorption. ^ 2 tbl |
