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1956年5月苏联国家建筑委員会采用了工形截面裝配式鋼筋混凝土柱定型施工圖(圖集КЗ-01-06,第Ⅲ、Ⅳ册)。与矩形截面柱相比較,采用这种柱在許多場合下能够节約混凝土达30％。当翼緣的不变寬度为40公分时,定型的工形柱截面高度定为40,60、80公分;翼緣边厚度相应地定为10及20公分。翼緣斜面为2.5公分,腹板厚度选擇不变的——12公分。柱用由鋼5制成之热軋規律变形鋼筋进行配筋。按照定型設計采用的柱,許多埸合下可能受到附加荷重的作用(地震荷載、大而猛烈的風荷載等等),因此
In May 1956, the Soviet State Construction Committee adopted the construction drawing of the I-shaped cross-section assembled reinforced concrete column (atlas КЗ-01-06, Chapter III, IV). Compared with rectangular columns, the use of such columns can save up to 30% of concrete in many situations. When the constant width of the flange is 40 cm, the section height of the shaped column is set at 40, 60, 80 cm; the flange thickness is set at 10 and 20 cm accordingly. The flange slope is 2.5 cm and the thickness of the web is the same - 12 cm. The column was reinforced with a hot rolled regular deformed bar made of steel 5 . According to the column used in the design, many couplings may be subjected to additional loads (earthquake loads, large and violent wind loads, etc.).