Method for strengthening rod pieces of steel structural dome
A technology for steel structures and rods, applied in building construction, building maintenance, construction, etc., can solve the problems of increasing engineering costs, large support costs, and prolonging construction periods, reducing engineering costs, increasing loads, and shortening construction. The effect of the construction period
Inactive Publication Date: 2013-08-21
CHINA HUAYE GROUP
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[0004] The disadvantage of this method is that for steel suspensive domes whose mounting brackets have been removed, it is necessary to replace the rods under load in space, or to strengthen the rods under load at local positions, in order to ensure the structural safety of the dome , it is necessary to re-arrange the temporary support, which requires a comprehensive calculation of the computer system. The erection of the support and the cost incurred in the process are huge, which not only increases the project cost, but also prolongs the construction period.
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[0014] Embodiments of the rod reinforcement method for dome steel members according to the present invention will be described below with reference to the accompanying drawings. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. In addition, in this specification, the same reference numerals denote the same or similar parts.
[0015] The rod reinforcement method for a steel member dome according to an embodiment of the present invention will be described below. figure 1 A perspective view of a suspend dome is shown. figure 2 A top view of a suspend dome is shown. image 3 A schematic diagram showing an example of rod reinforcement of a steel member dome according to the present invention. Figure 4 A schematic diagram of ...
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The invention provides a method for strengthening rod pieces of a steel structural dome. The method includes the steps that (1) a sleeve pipe is manufactured according to an upfront design, and the inner diameter of the sleeve pipe is larger than the outer diameter of a rod piece to be strengthened; (2) the sleeve pipe is divided into a plurality of slice bodies in the vertical direction, and the slice bodies are split-jointed and fixed to form the sleeve pipe in sequence; (3) an intersecting line notch which is used for being connected with the outer side of a rod piece to be welded is formed in the end portion of the sleeve pipe; (4) a plurality of limit rings are fixed on the outer side of the rod piece to be strengthened; (5) the slice bodies of the sleeve pipe are arranged on the outer side of the rod piece to be strengthened and the outer sides of the limit rings, the intersecting line notch formed in the end portion of the sleeve pipe is connected with the rod piece to be welded, and the sleeve pipe is fixed; (6) a butting joint welding seam of adjacent slice bodies of the sleeve pipe is welded; (7) the end portion of the sleeve pipe is welded to form the rod piece to be welded along the intersecting line notch. By means of the method for strengthening the rod pieces of the steel structural dome, on the condition that a temporary support is not set up and the rod pieces to be strengthened are not dismantled, rod pieces in a loading state are replaced in spaces, and meanwhile structural safety is guaranteed.
Description
technical field [0001] The invention relates to the field of construction, in particular to a method for reinforcing rods of a steel structure suspend dome under load. Background technique [0002] A dome is a common architectural structure. The dome is similar to the upper half of a hollow sphere. The cross section can be circular or elliptical. It is usually built on the top of buildings such as public places or large stadiums. There are various materials for making domes. Among them, steel structural members have the advantages of light weight, quick installation, and good seismic performance. Therefore, steel structures are more widely used in the manufacture of dome structures. The steel structure dome has the characteristics of convenient production, shortening the construction time on site, reducing the self-weight of the dome and the building load, and superior earthquake resistance and lightning protection performance. [0003] Suspension dome structure is a widely...
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Inventor 董路群封周虎何生章李铁军张羽王晓庆
Owner CHINA HUAYE GROUP