FIELD: construction.
SUBSTANCE: invention relates to the field of construction, namely to the steel-concrete columns of multi-storey and high-rise buildings. Steel-concrete column containing metal pipe with concrete core is equipped with steel-fibre concrete pipe from outside, concrete core extends beyond metal pipe, which has round holes arranged spirally along pipe length.
EFFECT: reduction of material consumption and improvement of operational characteristics of steel-concrete column.
3 cl, 3 dwg
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