FIELD: construction.
SUBSTANCE: invention relates to construction, namely to fixed formwork for construction of walls, floors, ceilings, as well as to construction structures in general, in particular to walls and floors, and can be used in designing reinforced concrete structures of buildings and structures. Building element comprises an armoured frame, concrete and a protective layer made in the form of a fixed steel fibre reinforced concrete casing. Fixed steel fibre reinforced concrete formwork is installed with direct abutment to external rods of reinforcement frame, is made on the basis of self-sealing fine-grained concrete of waterproof grades, reinforced in volume from 0.5 to 6 % by steel fibres of wave or anchor profile with diameter from 0.3 to 1.2 mm and length from 15 to 40 mm, wherein density of steel-fibre concrete of steel-fibre-reinforced concrete casing is equal to 2.4 g/cm3, and surface porosity is 2.6 %.
EFFECT: technical result achieved by the claimed invention consists in expansion of arsenal of technical equipment for the same purpose.
1 cl, 1 dwg
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Authors
Dates
2020-06-19—Published
2018-12-18—Filed