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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

Active Publication Date: 2011-12-28
TSINGHUA UNIV
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  • Abstract
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Problems solved by technology

[0006] In order to overcome the deficiencies in the prior art above, the object of the present invention is to provide a single-rod square steel pipe support with casing and its construction method, which solves the problem of low compressive stiffness and compressive buckling capacity of ordinary single-rod steel supports. The problem of early fracture and deformation under the reciprocating action of tension and compression, and ensure the deformation capacity of the support

Method used

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  • A single-rod square steel pipe support with casing and its construction method
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  • A single-rod square steel pipe support with casing and its construction method

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Embodiment Construction

[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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Abstract

The invention discloses a single-rod square steel tube support with a casing and a manufacturing method thereof. The single-rod square steel tube support comprises horizontal axial symmetrical strip-shaped square steel tube supports, wherein a flared end plate is embedded into the two end parts of the square steel tube support respectively; the large opening end of each flared end plate is formed outside the square steel tube support; a reinforcing plate is fixed on the upper surface and the lower surface of the small opening end of each flared end plate respectively; and the outer surface of the square steel tube support is sleeved with a coaxial casing. By adopting the single-rod square steel tube support, the problems of low compression rigidity, small compression yield bearing force and early rupture deformation under the reciprocating pull pressure action existing in an ordinary single-rod steel support are solved, and the deformation capability of the support is ensured.

Description

technical field [0001] The invention belongs to the technical field of steel supports, and in particular relates to a single-rod square steel pipe support with casing and a construction method thereof. Background technique [0002] In recent years, single-bar steel braces have been widely used in engineering as lateral force-resistant structural members in multi-storey or high-rise buildings, especially factory buildings. However, ordinary single-bar steel braces are prone to buckling under compression, with low compressive bearing capacity, rapid attenuation of lateral stiffness after buckling, and large out-of-plane deformation after buckling, resulting in a prominent difference between the tensile and compressive properties of the brace. In the building, it is necessary to arrange multiple tensile supports along each design direction to compensate for the stiffness and bearing capacity of the original tension support after the horizontal load is reversed into compression ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/98E04G25/02E04G21/00
Inventor 赵作周刘庆志钱稼茹
Owner TSINGHUA UNIV
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