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Large-tonnage steel structure honeycomb box beam

A honeycomb girder and steel structure technology, which is applied in the direction of bridges, bridge parts, bridge materials, etc., can solve the problems of heavy weight of concrete box girders, difficulty in pouring or erection, etc., and achieve excellent economic effects, light weight, and improved bearing capacity.

Inactive Publication Date: 2019-09-17
SHENYANG JIANZHU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the span is large, the weight of the concrete box girder is very heavy, which brings difficulty to pouring or erection

Method used

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  • Large-tonnage steel structure honeycomb box beam
  • Large-tonnage steel structure honeycomb box beam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Such as Figure 1-Figure 2 As shown, a large-tonnage steel structure honeycomb box girder includes prestressed laminated roof 1, box-shaped steel subgrade 2, I-shaped honeycomb beam 3, arched honeycomb beam 4, prestressed tendons 5, caps 6, bolts 7. The prestressed laminated roof 1 is a cuboid, and its interior is connected with prestressed tendons 5. The prestressed tendons 5 are arranged transversely along the width direction of the road. Below the prestressed laminated roof 1 is a box-shaped steel subgrade 2. The laminated top plate 1 is welded above the top plate 2-1 of the box-shaped steel subgrade; the I-shaped honeycomb beam 3 is welded under the base plate 2-2 of the box-shaped steel road, and the lower edge of the web 2-3 is connected with the upper flange of the I-shaped honeycomb beam 3 3-1 welding, the I-shaped honeycomb beam web 3-2 is provided with honeycomb holes 3-3, the I-shaped honeycomb beam 3 is arranged laterally along the width direction of the roa...

Embodiment 2

[0024] Honeycomb box girder, including prestressed laminated roof 1, box-shaped steel subgrade 2, I-shaped honeycomb beam 3, arched honeycomb beam 4, prestressed tendons 5, caps 6, bolts 7, the prestressed laminated roof 1 is a cuboid, and its interior is pierced with prestressed tendons 5, and the prestressed tendons 5 are arranged transversely along the width direction of the road. Below the prestressed laminated roof 1 is a box-shaped steel subgrade 2, and the prestressed laminated roof 1 is welded to the box-shaped steel The top of the subgrade roof 2-1; the bottom of the box-shaped steel road base plate 2-2 is welded with the I-shaped honeycomb beam 3, the lower edge of the web 2-3 is welded with the upper flange 3-1 of the I-shaped honeycomb beam 3, and the I-shaped honeycomb The beam web 3-2 is provided with a honeycomb hole 3-3, and the I-shaped honeycomb beam 3 is arranged transversely along the width direction of the road; The width direction is horizontally arranged...

Embodiment 3

[0031] Honeycomb box girder, including prestressed laminated roof 1, box-shaped steel subgrade 2, I-shaped honeycomb beam 3, arched honeycomb beam 4, prestressed tendons 5, caps 6, bolts 7, the prestressed laminated roof 1 is a cuboid, and its interior is pierced with prestressed tendons 5, and the prestressed tendons 5 are arranged transversely along the width direction of the road. Below the prestressed laminated roof 1 is a box-shaped steel subgrade 2, and the prestressed laminated roof 1 is welded to the box-shaped steel The top of the subgrade roof 2-1; the bottom of the box-shaped steel road base plate 2-2 is welded with the I-shaped honeycomb beam 3, the lower edge of the web 2-3 is welded with the upper flange 3-1 of the I-shaped honeycomb beam 3, and the I-shaped honeycomb The beam web 3-2 is provided with a honeycomb hole 3-3, and the I-shaped honeycomb beam 3 is arranged transversely along the width direction of the road; The width direction is horizontally arranged...

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Abstract

The invention relates to a large-tonnage steel structure honeycomb box beam, and belongs to the field of road bridges. The large-tonnage steel structure honeycomb box beam comprises a prestressed roof, a box-shaped steel roadbed, I-shaped honeycomb beams, arched honeycomb beams, a bearing platform and the like; and the box-shaped steel roadbed is connected to the I-shaped honeycomb beams in an overlapping mode, the I-shaped honeycomb beams serve as secondary crossbeams and penetrate through and are connected to the arched honeycomb beams in an overlapping mode, the arched honeycomb beams serve as main beams, the upper parts of the arched honeycomb beams penetrate into the box-shaped steel roadbed, the arch apexes are connected to the upper part and the lower part of the roof of the box-shaped steel roadbed in an overlapping mode, and the lower parts of the arched honeycomb beams are connected with the bearing platform. According to the large-tonnage steel structure honeycomb box beam, the mechanical property is excellent, large road load can be borne, the structure is simple, the weight is light, the economic effects are excellent, the transportation is convenient, and good practicability is achieved.

Description

technical field [0001] The invention belongs to the field of road bridges, in particular to a large-tonnage steel structure honeycomb box girder. Background technique [0002] With the rapid development of urbanization, the municipal construction of many cities in China has rebuilt the existing urban bridges to meet the development needs of urban road traffic. With the expansion of the scale of highway construction in our country, various bridge structures with large span and large tonnage have also been applied. At present, simply supported bridges with relatively large spans mostly use T-section beams or box-section beams. Because the T-beam bridge composed of T-beams has small lateral stiffness, poor torsional capacity, and poor stability during installation, it is not suitable for use with large spans. Simply supported girder bridges with longer spans generally use box girders. When the span is large, the weight of the concrete box girder is very large, which brings d...

Claims

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Application Information

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IPC IPC(8): E01D2/04E01D19/12E01D101/30E01D101/32
CPCE01D2/04E01D19/125E01D2101/30E01D2101/32
Inventor 张延年刘一霖
Owner SHENYANG JIANZHU UNIVERSITY
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