Square multi-cavity steel plate and concrete combination beam
A technology of concrete and composite beams, applied in the direction of load-bearing elongated structural components, structural elements, building components, etc., can solve the problems of poor crack resistance, affect the progress of the project, reduce the service life of components, etc., and achieve strong transverse Restraining effect, improving construction efficiency and reducing production cost
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[0013] like figure 1 and 2 As shown, a square multi-cavity steel plate-concrete composite beam includes: a square multi-cavity space steel beam 1 and concrete, and concrete is poured in the square multi-cavity space steel beam 1 to form a combined integral member; wherein: the square multi-cavity space steel beam 1 The beam 1 is composed of a steel plate shell and a steel plate cavity 6 with a cutout 7. The steel plate shell is welded by two long steel plates 2, one bottom steel plate 3 and two short steel plates 4 to form a cuboid structure without a cover. The steel plate cavities 6 of the cutouts 7 are intersected up and down, welded in the steel plate shell to form a square multi-cavity steel beam 1, and concrete is poured in the steel beam 1 to form a square multi-cavity steel plate-concrete composite beam.
[0014] The height of the steel plate cavity 6 is lower than the steel plate shell, and the height difference between the two needs to be greater than the diameter o...
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