Solid-web H-shaped honeycomb steel beam for polygonal hole
A polygonal hole and H-beam technology, which is applied to joists, girders, truss beams, etc., can solve the problem of unreasonable stress on the hole angle of polygonal hole honeycomb beams, increased production process and production cost, and the loss of circular hole honeycomb beams. and other problems, to achieve the effect of increasing structural beauty, reasonable stress and improving stress concentration
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[0040] Example 1, a solid-web H-shaped honeycomb steel beam with polygonal holes, such as figure 1 , figure 2 , image 3 Shown is a honeycomb steel beam with rounded rectangular holes, including upper flange 1, lower flange 2, upper web 3, lower web 4, upper flange 1 connected with upper web 3, and lower flange 2 with lower web 4 is connected, the upper web 3 and the lower web 4 are provided with a straight section 7 parallel to the axis of the steel beam, a slanted section 6 with a 45°<α<90° to the axis of the steel beam, a straight section 7 and a slanted section 6 a tangent arc line 8, the straight line 7, oblique line 6, and arc line 8 are made by cutting the web along the straight line 7, oblique line 6, and arc line 8, respectively. The straight section 7 of the upper web 3 and the straight section 7 of the lower web 4 are positionally misaligned and matched to form a web butt weld 9 through welding. The oblique line section 6, the straight section 7 and the arc line 8 fo...
Example Embodiment
[0041] Embodiment 2, a solid-web H-shaped honeycomb steel beam with polygonal holes, such as Figure 4 , Figure 5 As shown, it is a honeycomb steel beam with a rounded hexagonal hole. For the others, refer to Embodiment 1, which will not be repeated here.
Example Embodiment
[0042] Embodiment 3, a solid-web H-shaped honeycomb steel beam with polygonal holes, such as Figure 6 to Figure 11 As shown, the steel beam is formed by cutting and welding two different types of H-shaped steel beams. The upper flange 1 and the lower flange 2 of the H-shaped honeycomb steel beam have different widths and thicknesses, or the upper web 3 and the lower web 4 The height is different. By cutting two solid web H-beams with different cross-sections according to the same curve, one of them is used to make the upper flange 1 and the upper web 3, and the other is used to make the lower flange 2 and Lower web 4. Others refer to Embodiment 1, which will not be repeated here.
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