Rectangular concrete-filled steel tubular column and preparation method
A rectangular steel tube and concrete column technology, applied in columns, piers, pillars, etc., can solve the problems of low material utilization, poor bearing capacity and ductility, and poor seismic performance of components
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[0036] The present invention will be described in further detail below.
[0037] like Figure 1 ~ Figure 3 As shown, a rectangular steel tube concrete column includes a first long-side steel plate, a second long-side steel plate, a first short-side steel plate and a second short-side steel plate, the first long-side steel plate is parallel to the second long-side steel plate, and the first The short-side steel plate is parallel to the second short-side steel plate, the width-thickness ratios of the first long-side steel plate, the second long-side steel plate, the first short-side steel plate and the second short-side steel plate are respectively equal, the first long-side steel plate, the first short-side steel plate The steel plate, the second long-side steel plate and the second short-side steel plate are sequentially connected end to end to form a closed-loop rectangular steel pipe 1 , and the rectangular steel pipe 1 is filled with concrete 2 .
[0038] Specifically, the...
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