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Construction schemes suitable for steel core reinforced concrete column, pure steel column and steel pipe column
The invention provides construction schemes suitable for a steel core reinforced concrete column, a pure steel column and a steel pipe column. The mechanics reveals that the columns should be divided into frame columns and frame shear columns, the frame shear columns are weak in bending resistance and strong in compression resistance, and the columns only need to be propped and self-protected during large earthquakes, so that the axial compression ratio is greatly improved, the ductility is increased, and the contradiction of the height-width ratio is relieved. Mainly, special steel for central reinforcement cannot be used, so that the new idea of the central reinforcement is not developed after being put aside for more than 20 years. According to the schemes, the requirements of steel core column materials are put forward for a supplier, and the construction scheme is designed, so that the purposes of continuation of upper and lower components A and ideal combination of a steel core B, the pure steel column, the steel pipe column and a reinforced concrete floor are mainly achieved. The steel core (figure 1) is composed of a solid steel shaft (10) and a steel sleeve (12). The steel sleeve is firmly welded with the upper section and the lower section of the steel shaft through slotting welding seams (3 and 4); a bracket (8) is arranged on the steel sleeve to support a floor reinforced concrete beam; and the sleeve and the steel shaft are provided with through holes (14) in which beam inner negative steel bars are inserted. The thickness of reinforced concrete wrapped outside the steel core is not less than 200 for construction pouring and tamping and fire resistance.
本发明一种适合钢芯钢筋混凝土柱、纯钢柱和钢管柱的构造方案。力学揭示，柱子应该区分框架柱和“框剪柱”，框剪柱弱于抗弯，强于抗压，大震时柱子只求顶住和自保，大大提高轴压比，增加了延性，缓和了高宽比矛盾。主要因为中心配筋的专用钢材不能拿来就用，所以中心配筋新思想搁置20多年未得到发展。本方案主动出击，向供货方提出钢芯柱材的需求，并设计构造方案，主要解决A上下构件的延续和B钢芯、纯钢柱、钢管柱与钢筋混凝土楼盖的理想结合。钢芯(图1)组成：实心钢轴(10)+钢套筒(12)。钢套筒通过开槽焊缝(3、4)与钢轴上、下节焊牢；钢套筒上带有牛腿(8)，托住楼盖钢筋混凝土梁；套筒和钢轴有贯通孔(14)，穿插梁内负钢筋。钢芯外包钢筋混凝土的厚度不宜小于200，为了施工浇捣和耐火。
Construction schemes suitable for steel core reinforced concrete column, pure steel column and steel pipe column
The invention provides construction schemes suitable for a steel core reinforced concrete column, a pure steel column and a steel pipe column. The mechanics reveals that the columns should be divided into frame columns and frame shear columns, the frame shear columns are weak in bending resistance and strong in compression resistance, and the columns only need to be propped and self-protected during large earthquakes, so that the axial compression ratio is greatly improved, the ductility is increased, and the contradiction of the height-width ratio is relieved. Mainly, special steel for central reinforcement cannot be used, so that the new idea of the central reinforcement is not developed after being put aside for more than 20 years. According to the schemes, the requirements of steel core column materials are put forward for a supplier, and the construction scheme is designed, so that the purposes of continuation of upper and lower components A and ideal combination of a steel core B, the pure steel column, the steel pipe column and a reinforced concrete floor are mainly achieved. The steel core (figure 1) is composed of a solid steel shaft (10) and a steel sleeve (12). The steel sleeve is firmly welded with the upper section and the lower section of the steel shaft through slotting welding seams (3 and 4); a bracket (8) is arranged on the steel sleeve to support a floor reinforced concrete beam; and the sleeve and the steel shaft are provided with through holes (14) in which beam inner negative steel bars are inserted. The thickness of reinforced concrete wrapped outside the steel core is not less than 200 for construction pouring and tamping and fire resistance.
本发明一种适合钢芯钢筋混凝土柱、纯钢柱和钢管柱的构造方案。力学揭示，柱子应该区分框架柱和“框剪柱”，框剪柱弱于抗弯，强于抗压，大震时柱子只求顶住和自保，大大提高轴压比，增加了延性，缓和了高宽比矛盾。主要因为中心配筋的专用钢材不能拿来就用，所以中心配筋新思想搁置20多年未得到发展。本方案主动出击，向供货方提出钢芯柱材的需求，并设计构造方案，主要解决A上下构件的延续和B钢芯、纯钢柱、钢管柱与钢筋混凝土楼盖的理想结合。钢芯(图1)组成：实心钢轴(10)+钢套筒(12)。钢套筒通过开槽焊缝(3、4)与钢轴上、下节焊牢；钢套筒上带有牛腿(8)，托住楼盖钢筋混凝土梁；套筒和钢轴有贯通孔(14)，穿插梁内负钢筋。钢芯外包钢筋混凝土的厚度不宜小于200，为了施工浇捣和耐火。
Construction schemes suitable for steel core reinforced concrete column, pure steel column and steel pipe column
一种适合钢芯钢筋混凝土柱、纯钢柱和钢管柱的构造方案
LIU CHANGSHOU (author)
2021-11-05
Patent
Electronic Resource
Chinese
IPC:
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
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