A single-rod square steel pipe support with casing and its construction method
A technology of square steel pipe and casing, which is applied in the field of single-rod square steel pipe support with casing and its structure, can solve the problems of early fracture deformation, low compressive stiffness and low compressive buckling capacity, and improve the compressive buckling capacity force, improve lateral stiffness and shear capacity, and prevent collapse
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[0025] The present invention will be described in more detail below in conjunction with the accompanying drawings.
[0026] Such as figure 1 , figure 2 As shown, the single-rod square steel pipe support with casing includes a strip-shaped square steel pipe support 1 with horizontal and axial symmetry. Two ends of the square steel pipe support 1 are respectively embedded with a flared end plate 3, and the flared end plate 3 The large mouth end is outside the square steel pipe support 1, and the upper and lower surfaces of the small mouth end of the flared end plate 3 are respectively fixed with a reinforcing plate 4, and the outer surface of the square steel pipe support 1 is also covered with a sleeve 2 coaxial with it.
[0027] The manufacturing method of the single-rod square steel pipe support with casing, its steps are as follows:
[0028] Step 1: Determine the length and section size of the square steel pipe support 1 according to the design bearing capacity and deform...
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