Concrete filled steel tubular column with wolf tooth core column
A technology of concrete-filled steel tube columns and spike cores, which is applied in the direction of columns, pillars, pier columns, etc., can solve the problems of limited use space, increased structural self-weight, and large cross-sectional size, so as to reduce the cross-sectional size and material consumption, Improve the bearing capacity and reduce the effect of plastic deformation
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Embodiment 1
[0028] see figure 1 , The concrete-filled steel tubular column with a wolf-tooth core column provided by the embodiment of the present invention includes an outer steel pipe 1 , a concrete 4 and a wolf-tooth core column 5 . The outer steel pipe is a square steel pipe, and high-strength concrete is filled between the outer steel pipe and the wolf tooth core column. In other examples, the outer steel pipe can be circular or other shapes, and other types of concrete can also be used for the concrete, which are not listed here. List statements. The wolf tooth core column 5 includes a steel column 2 and eight ribbed steel bars 3. The geometric center of the steel column and the steel column coincide, and the eight steel bars are evenly connected around the steel column by welding. The angle between the steel bars is 45°. The distance between the inner walls of the outer steel pipe is the thickness of the protective layer of the reinforced concrete structure.
[0029] see figure ...
Embodiment 2
[0032] see image 3 and Figure 4 , the concrete-filled steel tubular column with the wolf-tooth core column provided by the present embodiment is basically the same as the embodiment 1, and its difference is that the steel bars on the wolf-tooth core are uniformly distributed by bolts 10 in the concrete-filled steel tube column of the above-mentioned wolf-tooth core column. Connected around the steel column, a steel end plate 9 is welded to the distal end of the ribbed steel bar that is not welded to the outer steel pipe. The reinforcement is screwed into the core column with threaded holes, which makes construction easier and the connection performance is not reduced.
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