Trussed-beam steel beam reinforcing structure

Abstract

The invention discloses a trussed steel girder reinforced structure, which is to connect a steel truss (3) under a steel girder (1). The steel girder (3) consists of a web member (5), a lower chord member (6) and an upright post (7). Batten plates (4) are arranged on the web member (5) and the lower chord member (6). The web member (5) and the lower chord member (6) are made of equilateral double angle steel which is connected through the batten plates (4). The thickness of each batten plate (4) is 8 millimeters, and space length of the batten plates (4) is 500 millimeters. The upright post (7) is formed by connecting two equilateral double angle steels. In the invention, a steel truss is arranged on the bottom of the prior steel girder so as to change the stress system of the prior steel girder and substantially improve the inertia moment I value of the section of the steel girder, thereby achieving the aims of strengthening and reinforcement. Compared with the prior method that formed steel is simply welded on the bottom of the prior steel girder to increase the section of the steel girder, under the condition of using steel materials with the same quantity, the trussed steel girder reinforced structure has more prominent reinforcing effect and economy.

Description

technical field [0001] The invention relates to a truss type steel beam reinforcement structure. Background technique [0002] Steel beam is an important force-bearing member in steel structure buildings. It is mainly used to bear vertical load and transmit it to steel columns. Whether it meets the requirements for use will directly affect the safety of the entire structural system. Sometimes due to human error in the design and construction, or a substantial increase in the load in actual use after the design is completed, the safety of the design has been broken through. When these problems are found, the steel beam has often been constructed. For safety during use, it is necessary to reinforce and reinforce the steel beams. The traditional steel beam reinforcement method is generally completed by increasing the cross-sectional size, that is, adding welded steel to the existing steel beam. figure 1 , figure 2 It is a schematic diagram of traditional steel beam reinfor...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved in the present invention is to propose a new truss-type steel beam reinforcement structure for the shortcomings of the traditional reinforced steel beam structure, so as to overcome the existing technology that consumes more steel materials and does not improve the bearing capacity. Big deficiency

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