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Longitudinal truss

A truss and longitudinal technology, applied in the field of building steel structure space truss structure, can solve the problems of high safety risk, difficult to guarantee, labor cost and facility investment, etc., and achieve the effect of reducing safety risk, strengthening welding quality and reducing construction time.

Inactive Publication Date: 2014-12-31
湖北源盛钢构有限公司
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Problems solved by technology

[0002] In the prior art, in the installation and construction of trusses in steel structure engineering, especially in the installation and construction of large-span steel structures in space, the welding quality of the connection joints between longitudinal trusses and transverse support trusses is not easy to guarantee. It is difficult to ensure that within the allowable range of the specification (GB50205-2001), the construction progress is difficult to further improve, the project quality is not easy to improve, the safety risk is high, and the labor cost and facility investment are relatively large

Method used

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  • Longitudinal truss

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] The longitudinal truss shown in the attached figure includes the upper chord, the left and right horizontal webs 1, the lower chord, and the left and right oblique webs 2; the transverse node chord 3 of the upper chord is connected with the left and right horizontal webs 1, and the lower chord The transverse node chord 4 of the rod intersects and connects with the left and right oblique web members 2, and is characterized in that: the end of the transverse node chord 3 of the upper chord at a distance of 350mm from the edge of the longitudinal truss is provided with a plurality of bolt holes The first connecting end plate 5, the end of the transverse node chord 4 of the lower chord chord at a distance of 350 mm from the edge of the longitudinal truss is provided with a second connecting end plate 6 with a plurality of bolt holes...

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Abstract

The invention discloses a longitudinal truss. A first connecting end plate is respectively arranged at the end parts of transverse node chords of a top chord; a second connecting end plate is respectively arranged at the end parts of transverse node chords of a bottom chord; a plurality of triangular stiff plates A and triangular stiff plates B are respectively arranged at the peripheries of the first connecting end plates and the second connecting end plates; a third connecting end plate is respectively arranged at the end parts of left and right slant web members; a fourth connecting end plate is respectively arranged at the end parts of left and right horizontal web members; a plurality of triangular stiff plates C and triangular stiff plates D are respectively arranged at the peripheries of the third connecting end plates and the fourth connecting end plates; and the first, second, third and fourth connecting end plates are provided with a plurality of bolt holes and a plurality of high-strength bolt connection pairs respectively. The longitudinal truss reduces high-altitude welding construction and the investment on safety facilities for high-altitude welding construction, thereby lowering the investment cost on the safety facilities; the construction is speed up and the project quality is improved; and the security risk and the manual input are reduced and the plate utilization ratio of a workshop is improved.

Description

technical field [0001] The invention relates to the technical field of building steel structure space truss structures, in particular to a longitudinal truss. Background technique [0002] In the prior art, in the installation and construction of trusses in steel structure engineering, especially in the installation and construction of large-span steel structures in space, the welding quality of the connection joints between longitudinal trusses and transverse support trusses is not easy to guarantee. It is difficult to ensure that it is within the allowable range of the specification (GB50205-2001), the construction progress is difficult to further improve, the project quality is not easy to improve, the safety risk is high, and the labor cost and facility investment are relatively large. Contents of the invention [0003] In order to solve the above problems, the object of the present invention is to provide a longitudinal truss with a simpler, more reasonable, safer, mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/19E04B1/58
Inventor 严文凯吕金炭吕德林
Owner 湖北源盛钢构有限公司
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