METHODS OF ERECTION, ENGINEERING REHABILITATION, AND/OR REDEVELOPMENT OF BUILDINGS AND CONSTRUCTIONS Russian patent published in 1994 - IPC

FIELD: manufacture of building materials. SUBSTANCE: in structures and structure systems designed for erection, rehabilitation, or redevelopment of construction projects or their parts, precast and/or monolithic concrete and/or reinforced concrete are used, these concretes being made out of concrete mix having the following constituent proportions, mass % : cement or cement-lime binding agent 1.0, graded coarse aggregate 2.14-2.5, fine aggregate 1.25-2.5, water 0.3-0.6. Graded coarse aggregate contains 10-20 mm or 10-40 mm grain size break stone and 5-1-mm grain size gravel with crushed stone at a 1: (3-7) ratio. Cement-lime binding agent contains cement and lime at a (1-5): (5-1) ratio. Additives to control concrete properties may be used. EFFECT: improved concrete workability. 10 cl, 1 tbl