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Spatial bidirectional open-web truss structure system and construction method thereof

A technology of hollow truss and truss, which is applied in the space two-way hollow truss structure system and its construction field, and can solve the problems of difficult positioning of diagonal members and low accuracy of diagonal members

Active Publication Date: 2021-08-31
广东现代建筑设计与顾问有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When setting the diagonal rods in the grid of the vierendeel truss, since the grid of the vierendeel truss has already been formed, it is difficult to locate the diagonal rods, which leads to low accuracy when welding and fixing the diagonal rods, which needs to be improved

Method used

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  • Spatial bidirectional open-web truss structure system and construction method thereof
  • Spatial bidirectional open-web truss structure system and construction method thereof
  • Spatial bidirectional open-web truss structure system and construction method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] This embodiment discloses a space two-way vierendeel truss structure system, such as figure 1 As shown, a space two-way vierendeel truss structure system is manufactured by the following construction methods:

[0043] S1. Manufacture the main body of the truss.

[0044] Take four chords 2, take multiple vertical bars 4 and multiple cross bars 3, and fix the chords 2, vertical bars 4 and cross bars 3 to each other to form a truss body containing multiple truss grids 1.

[0045] The chords 2 are all arranged horizontally, the vertical bars 4 are all vertically arranged, and the cross bars 3 are all arranged horizontally. A truss grid 1 is formed between a cross bar 3 and two chords 2, so that a plurality of truss grids 1 are formed in the length direction of the truss main body.

[0046] S2. Put the diagonal rods 5 into the corresponding truss grids 1 .

[0047] Put the two positioning frames 6 into the two ends of the diagonal rods 5 respectively, and then put the dia...

Embodiment 2

[0060] The difference between this embodiment and embodiment 1 is that, as Figure 4 As shown, the truss main body of this embodiment is assembled from two prefabricated truss main bodies 7 .

[0061] Such as Figure 4 and Figure 5 As shown, the two prefabricated truss bodies 7 are connected end to end, and the ends of the two prefabricated truss bodies 7 that are close to each other omit the installation of vertical bars 4 and cross bars 3. Install the diagonal rod 5 in the center, first fix the positioning frame 6 at one end of the diagonal rod 5 with the chord 2 and the vertical rod 4, and fix the first positioning plate 61 in the positioning frame 6 at the other end of the diagonal rod 5 with the chord 2 , the connecting plate 63 of the positioning frame 6 is not processed, and then one end of the diagonal web bar 5 is fixed with the chord bar 2 and the vertical bar 4, and the other end of the diagonal web bar 5 is fixed with the chord bar 2.

[0062] Put the vertical ...

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Abstract

The invention relates to a spatial bidirectional open-web truss structure system, and belongs to the field of truss construction. The system comprises a truss main body; the truss main body comprises a plurality of parallel chord members, vertical rods connected between the two chord members and cross rods connected between the two chord members; the cross rods and the vertical rods intersect; the chord members, the cross rods and the vertical rods form a truss grid; diagonal web members are arranged in the truss grid; positioning frames are slidably connected with the two ends of each diagonal web member; each positioning frame comprises a first positioning plate and a second positioning plate which are connected with each other; the first positioning plates are used for being connected with the chord members; and the second positioning plates are used for being connected with the vertical rods. The spatial bidirectional open-web truss structure system has the effects that the diagonal web members are positioned before being fixed, and the mounting precision of the diagonal web members is improved.

Description

technical field [0001] The present application relates to the field of truss construction, in particular to a spatial two-way vierendeel truss structure system and a construction method thereof. Background technique [0002] Truss is a structure commonly used in large-span buildings. The rods of truss mainly bear axial tension or pressure, so that the strength of the material can be fully utilized, so that the truss has better structural stability. The vierendeel truss is a kind of truss, and its two-way cross-arranged grid has the advantages of integrity and strong rigidity, so it is widely used in the roof of buildings. [0003] Generally speaking, trusses will be provided with diagonal members in each grid, while vierendeel trusses will not be provided with diagonal members. However, in actual construction, it has been found that properly setting diagonal members in vierendeel trusses can reduce the overall shear of vierendeel trusses. shear deformation, so the applicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/08
CPCE04C3/08
Inventor 彭肇才谢志辉王志明
Owner 广东现代建筑设计与顾问有限公司
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